Zeitschriftenartikel: „Adhesive plaster“

1

Hansson, C., und O. Bergendorff. „Allergy to adhesive plaster“. Allergy 53, Nr. 3 (März 1998): 324–25. http://dx.doi.org/10.1111/j.1398-9995.1998.tb03896.x.

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S, Kalyani. „Selected Morbidities among Workers of an Adhesive Plaster Industry in Goa“. International Journal of Preventive, Curative & Community Medicine 06, Nr. 02 (21.12.2020): 12–15. http://dx.doi.org/10.24321/2454.325x.202007.

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Background: The toxic nature of chemicals & pollutants associated with an adhesive plaster industry is well established. A disastrous health sequel would occur among workers of these industries due to exposure to pollution, created & stored wastes, and constant noise & bright light. Objective:To describe selected morbidities among workers in an ad-hesive plaster industry in Goa. Methodology:The study was conducted over a period of two months during which, the data of 135 workers was obtained from an Occupa-tional Health and Safety (OHS) Centre catering to an adhesive plaster industry in North Goa which conducted periodic medical check-ups of these workers. The data included socio-demographic characteristics and details regarding selected morbidities among the workers of the adhesive plaster industry. Result: Among 135 workers, the mean age was 40.96 ± 11.1 years. Majority of the participants were males. It was observed that 5 (3.7 %) had a known history of diabetes and 48 (35.6 %) were hypertensive. Near-vision abnormalities were seen among 66 (48.9 %), whereas 60 (44.4 %) had uncorrected far-vision abnormalities. Obesity was detected among 6 (4.4 %) whereas 40 (29.6 %) were overweight. Obstructive & restrictive respiratory diseases were seen in 3 (2.2 %) & 40 (29.6 %) persons respectively. Audiometry reports revealed 4 (3%) workers had mild to moderate hearing loss. Conclusion: Workers in the adhesive plaster industry suffered from several lifestyle diseases like diabetes, hypertension, obesity, as well as occupational diseases like audio-visual impairment and lung diseases. This study emphasizes the importance of periodic medical examinations for timely detection & appropriate treatment of the health conditions among such workers.

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Nenadálova, Šárka, Lukáš Balík, Milan Rydval und Tomáš Bittner. „Diffusion Parameters of Basic Diffusion Adhesive Mortars with Silicate or Acrylic Plaster“. Advanced Materials Research 1124 (September 2015): 16–22. http://dx.doi.org/10.4028/www.scientific.net/amr.1124.16.

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The paper summarizes the results of water vapour resistance factors of three commonly used compositions for wall finishing (basic adhesive diffusion mortar; basic adhesive diffusion mortar + silicate plaster; basic adhesive diffusion mortar + acrylic plaster). The border conditions of the measuring (temperature, relative humidity and barometric air pressure) and their impacts on the results are discussed as well.

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Nenadálova, Šárka, Lukáš Balík, Milan Rydval und Tomáš Bittner. „Water Vapour Resistance Factors of Three Wall Surface Finishing“. Key Engineering Materials 714 (September 2016): 64–71. http://dx.doi.org/10.4028/www.scientific.net/kem.714.64.

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There are results of water vapour resistance factors of three compositions commonly used for wall finishing in the paper. The compositions are: basic adhesive diffusion mortar; basic adhesive diffusion mortar with silicate plaster; basic adhesive diffusion mortar with acrylic plaster. There are not only the results of water vapour resistance factors but there are also the discussions as well as the impacts of the border conditions, it means temperature, relative humidity and barometric air pressure in the paper.

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Stevulova, Nadezda, Vojtech Vaclavik, Viola Hospodarova und Tomáš Dvorský. „Recycled Cellulose Fiber Reinforced Plaster“. Materials 14, Nr. 11 (31.05.2021): 2986. http://dx.doi.org/10.3390/ma14112986.

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This paper aims to develop recycled fiber reinforced cement plaster mortar with a good workability of fresh mixture, and insulation, mechanical and adhesive properties of the final hardened product for indoor application. The effect of the incorporation of different portions of three types of cellulose fibers from waste paper recycling into cement mortar (cement/sand ratio of 1:3) on its properties of workability, as well as other physical and mechanical parameters, was studied. The waste paper fiber (WPF) samples were characterized by their different cellulose contents, degree of polymerization, and residues from paper-making. The cement to waste paper fiber mass ratios (C/WPF) ranged from 500:1 to 3:1, and significantly influenced the consistency, bulk density, thermal conductivity, water absorption behavior, and compressive and flexural strength of the fiber-cement mortars. The workability tests of the fiber-cement mortars containing less than 2% WPF achieved optimal properties corresponding to plastic mortars (140–200 mm). The development of dry bulk density and thermal conductivity values of 28-day hardened fiber-cement mortars was favorable with a declining C/WPF ratio, while increasing the fiber content in cement mortars led to a worsening of the water absorption behavior and a lower mechanical performance of the mortars. These key findings were related to a higher porosity and weaker adhesion of fibers and cement particles at the matrix-fiber interface. The adhesion ability of fiber-cement plastering mortar based on WPF samples with the highest cellulose content as a fine filler and two types of mixed hydraulic binder (cement with finely ground granulated blast furnace slag and natural limestone) on commonly used substrates, such as brick and aerated concrete blocks, was also investigated. The adhesive strength testing of these hardened fiber-cement plaster mortars on both substrates revealed lime-cement mortar to be more suitable for fine plaster. The different behavior of fiber-cement containing finely ground slag manifested in a greater depth of the plaster layer failure, crack formation, and in greater damage to the cohesion between the substrate and mortar for the observed time.

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SHIOKAWA, YUICHI. „Clinical evaluation of flurbiprofen adhesive plaster for osteoarthritis deformans.“ Ensho 7, Nr. 2 (1987): 203–11. http://dx.doi.org/10.2492/jsir1981.7.203.

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SHIOKAWA, YUICHI. „Clinical evaluation of flurbiprofen adhesive plaster for osteoarthritis deformans.“ Ensho 7, Nr. 1 (1987): 97–104. http://dx.doi.org/10.2492/jsir1981.7.97.

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8

Nikolov, Aleksandar, Borislav Barbov und Elena Tacheva. „Geopolymer mortars based on natural zeolite“. Review of the Bulgarian Geological Society 82, Nr. 3 (Dezember 2021): 25–27. http://dx.doi.org/10.52215/rev.bgs.2021.82.3.25.

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Geopolymers based on Bulgarian natural zeolite (clinoptilolite) were synthesized using alkaline activators in order to prepare plaster/render mortar. The influence of the alkali concentrations of the activator solution was examined in regard to tensile strength and adhesion to concrete. Microstructure of the obtained geopolymer pastes was analysed by XRD, FTIR, SEM. The results showed adhesive strength to concrete up to 3.6 MPa and tensile strength up to 5.44 MPa. The present study shows a promising potential of the geopolymers as coating material for concrete.

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Maenaka, Kazusuke. „Current Topics in Adhesive Plaster Type Human Activity Monitoring Systems“. Journal of Japan Institute of Electronics Packaging 18, Nr. 6 (2015): 428–34. http://dx.doi.org/10.5104/jiep.18.428.

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Losenkova, Svetlana Olegovna, S. K. Kirillov, E. F. Stepanova, V. E. Novikov, S. O. Losenkova, S. K. Kirillov, E. F. Stepanova und V. E. Novikov. „DEFINITION ADHESIVE OF PROPERTIES TRANSDERMAL OF THE PLASTER WITH MEXIDOL“. I.P.Pavlov Russian Medical Biological Herald 19, Nr. 1 (15.03.2011): 138. http://dx.doi.org/10.17816/pavlovj20111138-141.

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11

O'Donnell, B. F., und C. Hodgson. „Allergic contact dermatitis due to lanolin in an adhesive plaster“. Contact Dermatitis 28, Nr. 3 (März 1993): 191–92. http://dx.doi.org/10.1111/j.1600-0536.1993.tb03391.x.

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12

García Villar, Gonzalo, Marcial Enzo und Rolón Guillermo. „Clay composition patterns and their influence on the adhesive strength of earthen plasters“. Revista de la construcción 23, Nr. 1 (2024): 71–87. http://dx.doi.org/10.7764/rdlc.23.1.71.

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The clay fraction of earthen plasters is the part responsible for the acquisition of cohesion and adherence that they possess against deterioration factors. Adherence is the property responsible for keeping the plaster together with the wall and is influenced by the percentage content of clay as well as by its mineralogy and the heterogeneity of minerals that may be present. However, it is still unknown in depth how clay minerals perform in the adherent properties of earthen plasters when the composition is heterogeneous in the material. The objective of this study is to evaluate the incidence of the mineralogical complexity of clay mineralogy in the variability of the adherence of earth plasters. To evaluate the variability, considering that the mineralogy of the soils depends directly on the place and the formation processes, eight soils from Tucumán (Argentina) corresponding to different physiographic units were analyzed. A methodology was designed for sample preparation that allows soils to be compared through adhesion tests. They were characterized by XRD to determine their mineralogical composition and by the hydrometric method to determine their granulometry. To evaluate the adherence of mixtures made with the respective soils, it was proposed in the first instance to compensate the granulometry of the soils to equate them and, once the plasters were made, this property was evaluated through shear and pull-off tests. The results showed that they allowed us to identify that the soils presented a pattern of mineralogical composition common to all the physiographic units, made up of the Ill and K pair, the former being predominant. For this pattern, it was observed in particular that there is a positive correlation between the increase in Ill content with the increase in the adhesive strength of the plasters. Clay minerals from the Sm group also contribute to the increase in adherence when the percentage is greater than or equal to 11%. On the contrary, K and Cl do not influence the increase in adhesive strength.The clay fraction of earthen plasters is the part responsible for the acquisition of cohesion and adherence that they possess against deterioration factors. Adherence is the property responsible for keeping the plaster together with the wall and is influenced by the percentage content of clay as well as by its mineralogy and the heterogeneity of minerals that may be present. However, it is still unknown in depth how clay minerals perform in the adherent properties of earthen plasters when the composition is heterogeneous in the material. The objective of this study is to evaluate the incidence of the mineralogical complexity of clay mineralogy in the variability of the adherence of earth plasters. To evaluate the variability, considering that the mineralogy of the soils depends directly on the place and the formation processes, eight soils from Tucumán (Argentina) corresponding to different physiographic units were analyzed. A methodology was designed for sample preparation that allows soils to be compared through adhesion tests. They were characterized by XRD to determine their mineralogical composition and by the hydrometric method to determine their granulometry. To evaluate the adherence of mixtures made with the respective soils, it was proposed in the first instance to compensate the granulometry of the soils to equate them and, once the plasters were made, this property was evaluated through shear and pull-off tests. The results showed that they allowed us to identify that the soils presented a pattern of mineralogical composition common to all the physiographic units, made up of the Ill and K pair, the former being predominant. For this pattern, it was observed in particular that there is a positive correlation between the increase in Ill content with the increase in the adhesive strength of the plasters. Clay minerals from the Sm group also contribute to the increase in adherence when the percentage is greater than or equal to 11%. On the contrary, K and Cl do not influence the increase in adhesive strength.

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Mrs. V. Deepa, Mrs. N. Vidhya und Dr. R. Sucharitha. „A Study on Herbal Finish for Wound Healing on Adhesive Bandage“. International Research Journal on Advanced Engineering and Management (IRJAEM) 2, Nr. 04 (22.04.2024): 1144–48. http://dx.doi.org/10.47392/irjaem.2024.0151.

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Textile industry is one of the largest contributing sectors of India. It is the second largest employer after agriculture, provided direct employment to over 45 million people. Medical textiles are a category of textiles specifically designed for medical purposes, including first aid, clinical, surgical, and hygienic uses. They are engineered to provide various benefits such as biocompatibility, flexibility, strength, and sterility, anti-allergic, anti-bacterial, environmentally friendly, and cost-effective properties. In that an adhesive bandage is also known as sticking plaster, medical plaster, or simply plaster in British English, is a small medical dressing used for injuries not for serious injuries to require a full-size bandage. Finishes plays a major role in the field of medical textiles, in that herbal finishes are one such category. Tridax is a genus of plants in the family Asteraceae. The most well-known species in this genusis Tridax procumbens, commonly known as coat buttons or tridax daisy. It is a perennial herb that is native to tropical and subtropical regions, and it is widely distributed in countries such as India, Nigeria, Brazil, and the United States. Tridax procumbens has been used in various folk medicinal practices. Parts of the plant, such as the leaves and roots, have been used to treat conditions like skin infections, respiratory issues, digestive problems, and even snakebites in some cultures. This paper deals with the research on tridax finish applied on a bandage to analyse the wound healing property.

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Bakshi, Sneha, und Manager Rajdeo Singh. „A petrochemical study of Mughal plasters of Quila-I-Ark, Aurangabad with respect to technology and repair“. History of science and technology 10, Nr. 2 (12.12.2020): 163–84. http://dx.doi.org/10.32703/2415-7422-2020-10-2-163-184.

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This paper reports the mineralogical composition of western India's 16-17th century Mughal plasters of Quila-I-Ark, Aurangabad to prepare compatible repair mortar and document ancient Indian lime technology. Analytical studies were undertaken for aggregate grain size distribution, thin section analysis, Fourier Transform Infrared Spectrometer (FTIR), X-ray diffraction (XRD), and chemical composition of the plasters by x-ray fluorescence (XRF analysis). The analysis revealed the inclusion of large size basaltic aggregate grains mostly sourced from the water channel of nearby Harsullake. Some of the plaster works show prominent inclusion of small size grains pointing different periods of construction. Creamy white zeolites were found specifically added in the mortar mix to maintain a certain level of humidity during the dry season. The zeolite is highly porous and breaks easily both in dry and wet conditions. The calcite rich limestone with traces of magnesium was sourced as raw material for the plasters. Based on mineralogical composition and binder/aggregate ratio, three phases of historical constructions were documented. FTIR and thin section analysis showed the mixing of some proteinaceous adhesive juice in the lime for improvement in rheological and waterproof properties. The high quantity of large size aggregate grains ensured better carbonation of lime and the source of aggregates remained the same for all phases of historical constructions. The cementation index (C.I.) and hydraulicity index (H.I.) vary between 0.10 to 0.96 and 0.20 to 3.43, respectively showing the plaster is aerial lime with traces of magnesium. The plaster is feebly hydraulic as the hydraulic component calculated varies between 0.88 to 6.10 percent in different samples. A moderate strength plaster with a lime/silica ratio close to 0.33 was prepared for most phases of construction except a few isolated locations. The analytical data will now help to prepare compatible mortar with identical additives for a major repair.

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El Gholmy, Sherwet H. „Performance and testing of adhesive bandage tape“. Journal of Engineered Fibers and Fabrics 14 (Januar 2019): 155892501984371. http://dx.doi.org/10.1177/1558925019843712.

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The adhesive plaster or bandage is used to cover non-serious wound or cut in the skin. It is formed by a basic layer of plain fabric coated with the adhesive material. There are several factors that affect the performance of the produced adhesive bandage. One of the frequent reported problems is the strong engagement with the skin that causes severe pain to the patient when it is removed from the skin. The peel test is used to determine the force required to remove the bandage from the skin, tissue or other adhesive tape. The aim of research is to study the factors that affect the performance of adhesive bandage—starting from the raw fabric used and some of the manufacturing machine settings (speed, slit knife height). An attachment was made to test the peeling force of adhesive tape on an ordinary tensile testing device. Results show that the storage of the adhesive bandage tape is the most significant factor that affects the mechanical properties of the adhesive tape.

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Yakh'yaev, Ya M., G. A. Gadzhimirzaev, Ya M. Yakh'yaev und G. A. Gadzhimirzaev. „Experience in Treatment of Skeleton Trauma Combined with Craniocerebral Injuriesin Children“. N.N. Priorov Journal of Traumatology and Orthopedics 10, Nr. 4 (15.12.2003): 84–85. http://dx.doi.org/10.17816/vto200310484-85.

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Experience in treatment of 125 children with limb fractures combined with craniocerebral injuries is presented. Algorithm of diagnostic measures to improve the quality of diagnosis was elaborated. Seventy one patients (56.8%) were treated conservatively: 54 patients with skeletal traction, 6 patients with adhesive plaster traction, 11 - with plaster of Paris traction. Fifty four patients (43.2%) underwent surgical treatment: 25 patients had intramedullar osteosynthesis, 24 patients - fixation of fragments by pins, 5 patients - by llizarov device. Long term results were assessed at 7-7years follow-up. Results showed the efficacy of osteosynthesis in relation to skeletal traction. However, at early posttraumatic period when craniocerebral injury is extremely severe, surgical treatment should be limited by skeletal traction and plaster of Paris immobilization. Use of early osteosynthesis gives the decrease of hospitalization term by 7.8 day and fixation terms - by 10.2 day.

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Takeoka, Shinji, Yosuke Okamura, Toshinori Fujie und Yoshihito Fukui. „Development of biodegradable nanosheets as nanoadhesive plaster“. Pure and Applied Chemistry 80, Nr. 11 (01.01.2008): 2259–71. http://dx.doi.org/10.1351/pac200880112259.

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Sheet-shaped carriers having both obverse and reverse surfaces (thus, a large contact area for targeting a site and adhesive properties without any chemical cross-linker onto tissue surface) have several advantages as surgical dressings. These advantages include active targeting over spherically shaped carriers, which thus have an extremely small contact area for targeting sites. Here, we propose a novel methodology for preparation of a free-standing, ultra-thin, and biocompatible polymer nanosheet having heterosurfaces, fabricated through macromolecular assembly. In the context of biomedical applications, the targeted properties include injectable sheet-shaped drug carriers having precisely controlled size by exploiting micropatterned substrate, and giant polymer nanosheets composed of biocompatible polysaccharides. A huge aspect ratio, in excess of 106, is particularly applicable for novel surgical dressings. These biocompatible polymer nanosheets having heterosurfaces can thus be regarded as new biomaterials for minimally invasive treatment.

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Ishitsuka, Yoichi, Yuki Kondo, Eriko Yamakawa, Takeshi Yakushijin, Kiyoko Maeda, Kenji Tsujiguchi, Toru Maruyama, Hiroshi Moriuchi, Mitsuru Irikura und Tetsumi Irie. „Improving Package Description Helps Ensure Proper Use of Salicylic Acid Adhesive Plaster“. Iryo Yakugaku (Japanese Journal of Pharmaceutical Health Care and Sciences) 34, Nr. 3 (2008): 274–80. http://dx.doi.org/10.5649/jjphcs.34.274.

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19

Bergendorff, O., und C. Hansson. „Activation and cross-reactivity pattern of a new allergen in adhesive plaster“. Contact Dermatitis 42, Nr. 1 (Januar 2000): 11–17. http://dx.doi.org/10.1034/j.1600-0536.2000.042001011.x.

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20

Dooms-Goossens, A., G. Boden, F. Aupaix und M. Bruze. „Allergic contact dermatitis from adhesive plaster due to colophony and epoxy resin“. Contact Dermatitis 28, Nr. 2 (Februar 1993): 120–21. http://dx.doi.org/10.1111/j.1600-0536.1993.tb03363.x.

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Ali, Syed Waqas, Uzair Aslam, Saad Khalid, Syed Muhammad Ashraf Jahangeer und Muhammad Arif Mateen Khan. „Comparison of Simple Penile Dressings following Hypospadias Repair: does it really matter?“ Pakistan Journal of Medical and Health Sciences 17, Nr. 5 (27.05.2023): 87–90. http://dx.doi.org/10.53350/pjmhs202317587.

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Background: Hypospadias repair requires an appropriate wound dressing to prevent complications, but there is a lack of studies comparing the efficacy of different dressings. Aim: To compare the clinical outcomes of occlusive hydrocolloid dressing and petroleum-impregnated gauze with zinc oxide adhesive plaster, and recommend an appropriate dressing based on efficacy, availability, and cost-effectiveness. Methods: We performed a retrospective cohort study on paediatric patients who had undergone hypospadias repair between August 2017 and November 2020 at Dr. Ruth K. M. Pfau Civil Hospital Karachi, Pakistan. All the patients receiving one of the two wound dressings, occlusive hydrocolloid dressing (group A) or petroleum-impregnated gauze with zinc oxide adhesive plaster (group B) during primary or secondary hypospadias repair, operated by the same paediatric surgeon were included in this study. Patients with missing data were excluded. There was only one patient lost to follow up in this study. Results: A total of 64 male hypospadias patients with a mean age of 6.0 ± 3.4 years were included in this study. Group A patients (n=37) received a thick 10 x 10 cm occlusive hydrocolloid dressing whereas, in Group B patients (n=27), a 2.5 x 10 cm petroleum-impregnated gauze with zinc oxide adhesive plaster was applied over the wound. In group A, five patients (13.5%) suffered post-operative fistula and wound dehiscence. Whereas, in group B, the post-operative fistula was seen in three patients (11.1%). This study provides evidence-based information to clinicians and healthcare providers regarding the use of wound dressings for hypospadias repair. By demonstrating the efficacy of a cheaper and more accessible dressing, this study could help improve access to care and reduce costs for patients, especially in resource-limited settings. Conclusion: Occlusive hydrocolloid dressing and petroleum-impregnated gauze are equally effective in the healing of hypospadias repair wounds. The simpler and cheaper petroleum-impregnated gauze may be preferable in resource-limited settings. Keywords: Hydrocolloid dressing; Petroleum impregnated gauze; Paraffin gauze; Hypospadias

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Borja de Melo, Téssia Richelly Nóbrega, und Michel Nicolau Youssef. „Influence of Polymerization with Argon Laser and LED on Shear Resistance of Adhesive Systems“. Journal of Dentists 9 (02.06.2021): 7–15. http://dx.doi.org/10.12974/2311-8695.2021.09.2.

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objective: The aim of this work was to evaluate the shear strength of ceramic brackets as a function of two adhesive systems (kit TransbondTM XT; TransbondTM Plus Self Etching Primer/ 3M Unitek®) and two light sources (LED and Argon Laser). Method: 28 maxillary premolars were used, divided into two groups (n=14), according to the adhesive system and light source. The teeth were enclosed in ¾-inch PVC tubes, with special stone plaster, perpendicular to the ground and tubes. Brackets were fixed over the exposed crowns. The teeth were stored at 37ºC for 24 hours and then submitted to 1,000 thermal cycles with 30 seconds in each bath (5°C and 55°C). The shear test was performed on a Shimadzu® testing machine at a speed of 0.5mm/min. Enamel surfaces were qualified using the ARI (Adhesive Remaining Index). Data were submitted to statistical analyzes ANOVA, Tukey and Kruskal-Wallis (p<0.05). Results: the conventional TransbondTM XT kit adhesive system was superior to the self-etching system. LED and Argon Laser showed similar behaviors. Conclusion: Argon laser did not influence shear strength or ARI scores.

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Berger, Lara, Ragai-Edward Matta, Christian Markus Weiß, Werner Adler, Manfred Wichmann und José Ignacio Zorzin. „Effect of Luting Materials on the Accuracy of Fit of Zirconia Copings: A Non-Destructive Digital Analysis Method“. Materials 17, Nr. 9 (01.05.2024): 2130. http://dx.doi.org/10.3390/ma17092130.

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The marginal accuracy of fit between prosthetic restorations and abutment teeth represents an essential aspect with regard to long-term clinical success. Since the final gap is also influenced by the luting techniques and materials applied, this study analyzed the accuracy of the fit of single-tooth zirconia copings before and after cementation using different luting materials. Forty plaster dies with a corresponding zirconia coping were manufactured based on a single tooth chamfer preparation. The copings were luted on the plaster dies (n = 10 per luting material) with a zinc phosphate (A), glass–ionomer (B), self-adhesive resin (C), or resin-modified glass–ionomer cement (D). The accuracy of fit for each coping was assessed using a non-destructive digital method. Intragroup statistical analysis was conducted using Wilcoxon signed rank tests and intergroup analysis by Kruskal–Wallis and Mann–Whitney U tests (α = 0.05). Accuracy of fit was significantly different before/after cementation within A (0.033/0.110 µm) and B (0.035/0.118 µm; p = 0.002). A had a significantly increased marginal gap compared to C and D, and B compared to C and D (p ≤ 0.001). Significantly increased vertical discrepancies between A and B versus C and D (p < 0.001) were assessed. Of the materials under investigation, the zinc phosphate cement led to increased vertical marginal discrepancies, whereas the self-adhesive resin cement did not influence the restoration fit.

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ELCHISHCHEVA, T. F., V. T. EROFEEV, P. V. MONASTYREV, E. N. ABRAMOVA, V. V. AFONIN, I. V. EROFEEVA und A. F. ATMANZIN. „BIOSTABILITY OF CEMENT COMPOSITES FROM DRY BUILDING MIXTURES“. Building and reconstruction 109, Nr. 5 (2023): 103–18. http://dx.doi.org/10.33979/2073-7416-2023-109-5-103-118.

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A study was made of the influence of a model biological environment of the products of the metabolism of filamentous fungi on the biostability of cement composites from industrial dry building mixes for outdoor and indoor work. The low resistance of samples without additional bioprotection to the influence of the biological environment was established. Relevant is the development of cement composites with biocidal additives to ensure resistance to biologically and chemically aggressive environments without reducing the strength properties. The degree of fouling of samples from various types of dry building mixtures in a model environment of metabolic products of filamentous fungi was determined. Eight composites of different composition were studied under the influence of 13 types of model medium. The stability of the samples was established at a concentration of medium components from 0 to 5% by weight. Tile adhesive "UNIS 2000", tile adhesive "Prospectors", putty "Prospectors", facade plaster "KNAUF" have fungus-resistant properties. Putty "CT29 Ceresit". Waterproofing "VodoStopGlims", plaster "IvsilGross" and self-leveling floor "Magma" are non-mushroom resistant. The most unfavorable concentrations of filamentous fungi metabolism products for the samples were revealed. The effectiveness of the use of polymer-based biocidal additives of the Teflex series (OOO SoftPROTECTOR, Russia) on the resistance of cement composites to biodegradation was revealed. The additives "Anti-Salt Wash", "For Metal" and "Universal" showed the greatest efficiency, their use provides fungi resistance and fungicidal properties of building materials.

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Grigoriev, V. E., V. P. Pankova, A. G. Khisamutdinov und R. I. Tuishev. „Experience of using Lifusol in vascular catheterization“. Kazan medical journal 67, Nr. 5 (15.09.1986): 378. http://dx.doi.org/10.17816/kazmj70714.

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In order to prevent complications in the department of anesthesiology and intensive care, we conducted a clinical trial of the above drug as a local antiseptic agent for fixation of the catheter located in the subclavian vein. Two identical groups of patients from different departments were formed by random sampling: neurosurgical, surgical, traumatological, pediatric surgery, ENT, and maxillofacial surgery. Group 1 consisted of 177 patients in whom the drug Lifusol was used for catheterization of the subclavian vein; 187 patients in Group 2 received catheter fixation by the usual method using adhesive plaster.

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Dick, Kris J., Farhoud Delijani und Andy Yuen. „MOISTURE AND FLEXURAL BEHAVIOUR OF HEMP MAT FOAM STRUCTURAL INSULATED PANEL SPECIMENS“. Journal of Green Building 9, Nr. 2 (Juli 2014): 87–101. http://dx.doi.org/10.3992/1943-4618-9.2.87.

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The use of structural insulated panels (SIPs) for wall and roof assemblies in residential and commercial buildings is a well-known construction technique. SIPs typically use a combination of either expanded polystyrene foam (EPS) or polyurethane foam (PUR) as the core material. The covering or skin is predominantly oriented strand board (OSB). The OSB is either bonded to the foam with adhesive in the case of EPS, while polyurethane is used to provide adhesion with PUR SIPs. This paper presents the results of research that investigated the use of industrial hemp mat used as a skin for soy-based polyurethane foam panels. A series of tests were conducted to investigate moisture resistance and flexural behaviour on hemp mat foam panels. Moisture absorption behaviour was evaluated on three specimen types: uncoated, earth plaster and tung oil treated hemp mat. The absorption coefficient Aw was determined for all specimens. The tung oil treated specimens exhibited a water absorption coefficient that was 5.3% of that for untreated hemp mat panel specimens. Flexural tests were conducted on dry specimens with earth-plastered hemp mat, tung oil coated hemp mat, OSB and, untreated hemp mat skins. Tung oil provided resistance to tension failure and increased capacity to withstand considerable deformation without tensile failure in flexural specimens. Compared with pure foam specimens, untreated hemp mat improved flexural performance by 16.3%.

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Fujie, T., Y. Okamura und S. Takeoka. „Ubiquitous Transference of a Free-Standing Polysaccharide Nanosheet with the Development of a Nano-Adhesive Plaster“. Advanced Materials 19, Nr. 21 (05.11.2007): 3549–53. http://dx.doi.org/10.1002/adma.200700661.

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Naik, Sudhir, und Sudhir M. Naik. „A Study of External Nasal Splints used in Nasal Bone Fractures and Rhinoplasties“. An International Journal Clinical Rhinology 4, Nr. 1 (2011): 9–14. http://dx.doi.org/10.5005/jp-journals-10013-1063.

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ABSTRACT Background/Objectives Plaster of Paris (POP), thermoplastic splints and self-adhesive padded aluminium splints are the most common splinting methods used after reduction of fractured nasal bones and rhinoplasty. All these methods have their proponents but may have one or more disadvantages in the way of being cumbersome, time-consuming, bulky, conspicuous and expensive. Design A retrospective study at KVG Medical College and Hospital, department of ENT and head and neck surgery. Intervention 94 cases of splinting done for nasal bone fractures and rhinoplasties were included in our study. POP and adhesive aluminium splints were used to stabilize the nasal framework. Results Eleven cases of nondislocated nasal fractures and 10 cases of internal augmentation rhinoplasties were stabilized by aluminium nasal splints. 69 cases of displaced nasal fractures and 4 cases of external rhinoplasties were stabilized by POP splints. Conclusions POP splints give the best stabilization for nasal bone fractures as well as for rhinoplasties but are bulky and conspicuous. Aluminium nasal splints are not bulky and conspicuous but cannot be used for fractures with lacerations and external rhinoplasties.

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Stawiski, Bohdan. „Defects of sandwich walls“. MATEC Web of Conferences 284 (2019): 02008. http://dx.doi.org/10.1051/matecconf/201928402008.

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Thermal protection of spaces contributes to the fact that sandwich walls dominate in heated buildings. Their design requires knowledge regarding the operating principles of sandwich systems. Without knowledge of these principles, numerous mistakes are made. The study describes mistakes encountered made during erection of triple-layer and double-layer walls. The effects of a shortage and excess of connecting pieces in triple-layer walls are presented. For double-layer walls, the necessity of insulation expansion joints is shown using an example. Using the tests, it is proven that the strength of the adhesive layer created during the autumn/winter transitional period is very heavily decreased, even more than 50%, which in connection with over-stiffened anchors leads to very numerous cracks, to the destruction of the external layer of insulation. High diffusion resistance of the external layer of insulation with low diffusion resistance (mineral wool) also leads to the destruction of the adhesive & plaster layer. Furthermore, the considerable significance of the use of good quality reinforcing, anchoring, gluing and painting & plastering materials was emphasized.

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Tang, Chao Fa, Chang Wen Cai, Bo Xu und Yan Long Liu. „Study on the Application of Desulfurization Gypsum for the Gypsum Fiber Board Production“. Applied Mechanics and Materials 357-360 (August 2013): 646–50. http://dx.doi.org/10.4028/www.scientific.net/amm.357-360.646.

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Through semidry process, the wood fiber as reinforced materials and the industrial flue gas desulfurization waste calcinated calcium sulfate hemihydrate as an inorganic adhesive produced the environmental gypsum fiber board. This process is effective on utilization of desulfurization gypsum, which reduced the pollution of the environment and the demand of the natural gypsum, further to protect the natural environment. As green building decoration materials, gypsum fiber board has good prospects for development. The research results show that it is remarkable that the amount of the composite retarder is effective on the static bending strength, internal bond strength, grip screws to impact; the ratio of the wood and plaster is effective on the absorbent thickness expansion rate.

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Efimov, Boris, Sergey Isachenko, Mukhamad-Basir Kodzoev, Gulzar Dosanova und Ekaterina Bobrova. „Dispersed reinforcement in concrete technology“. E3S Web of Conferences 110 (2019): 01032. http://dx.doi.org/10.1051/e3sconf/201911001032.

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The methods of disperse reinforcement of a concrete matrix with the help of fibers make it possible to manufacture structures of complex configuration and solve problems of frost resistance of products. Fiber replaces secondary reinforcement, reducing the volume of use of structural steel reinforcement. Cellular fibrous concrete is characterized by high performance properties, especially increased strength in bending and stretching, impact strength and crack resistance. As a reinforcing component, it is preferable to use mineral fibers or thin basalt fiber. The use of polyamide fiber is allowed, but there are difficulties in forming adhesive contacts between the fiber and the mineral matrix of cellular concrete. A feature of mineral fibers is that they are high adhesive to the cement matrix. One of the promising types of dispersed bulk reinforcement of lightweight concrete is the use of expanded vermiculite. Expanded vermiculite can simultaneously be considered as a reinforcing component of a lamellar structure, as a component that reduces the density of the material and its thermal conductivity, as well as improves the fire protection performance. Expanded vermiculite can be used both in piece cladding products and as a part of dry warm and fire retardant plaster mixes.*

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KANG, ALong, WeiFeng WANG und YingShuang TANG. „Research on the quality standards for the Zhuijianpan plaster based on the heat-fusing and pressure-sensitive adhesive“. Pharmaceutical Care and Research 16, Nr. 1 (29.02.2016): 44–47. http://dx.doi.org/10.5428/pcar20160113.

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Prucha, Ales, Barbora Necasova und Jiri Slanhof. „Size effect of bonded area for bonded joints between ETICS with an acrylic thin-film plaster and sheet metal component“. MATEC Web of Conferences 385 (2023): 01039. http://dx.doi.org/10.1051/matecconf/202338501039.

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The issue of anchoring sheet metal components has been part of construction practice for a very long time. Sheet metal components can be found on most contemporary buildings and due to the increasing thickness of insulation the possibility of anchoring to the supporting substrate is a problem. This paper discusses the issue of the bonded joint size dependence on the load capacity for fastening sheet metal elements to ETICS facades. A thixotropic silane modified polymer adhesive was used for this research. It was concluded that the size has a significant effect on the load capacity of the joint and their dependence was described.

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ENDLICHER, G., und A. TILLMANN. „LIME PLASTER AS AN ADHESIVE FOR HAFTING EIGHTEENTH-DYNASTY FLINT SICKLES FROM TELL EL DAB'A, EASTERN NILE DELTA (EGYPT)“. Archaeometry 39, Nr. 2 (August 1997): 333–42. http://dx.doi.org/10.1111/j.1475-4754.1997.tb00810.x.

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Moskalova, Khrystyna, Tatiana Lyashenko, Aleksej Aniskin und Matija Orešković. „Modelling the Influence of Composition on the Properties of Lightweight Plaster Mortar and Multicriteria Optimisation“. Materials 16, Nr. 7 (03.04.2023): 2846. http://dx.doi.org/10.3390/ma16072846.

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The influence of the components of plaster mortars on their properties is considered in a lot of studies at a qualitative level without searching for optimal compositions of these multicomponent composite materials. The purpose of this study was to obtain the experimental–statistical models based on the results of the designed experiment, allowing the influence of light fillers and polymer admixtures on the properties of the mortars to be evaluated and analysed; the compositions complying with specified requirements and compromised optimally by a number of properties should be found. The quantities of fine limestone and perlite as well as of the hydroxyethyl methyl cellulose and dispersible polymer were varied in the experiment. The effective viscosity and thixotropy of the mix, compression, tensile, adhesive strength, frost resistance, and density of hardened mortars were determined for 18 compositions according to the experiment design. The obtained models have allowed the individual and synergetic effects of mix components to be evaluated. The fine perlite has turned out to have the greatest positive effect on the properties. This porous filler increases the strength while decreasing the density of the mortars. It is shown how the composition complying with specified requirements—and the best based on several properties—has been found.

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Rodgerd, Phawasoot, Sutaporn Yakkul und Jitladda Sakdapipanich. „Application of Macca Charcoal in Saponified Natural Rubber Composites“. Advanced Materials Research 844 (November 2013): 149–53. http://dx.doi.org/10.4028/www.scientific.net/amr.844.149.

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This present work is an attempt to study the composite between natural rubber (NR) and Macca charcoal, as a special additive, for producing the adhesive plaster for pain relief. The NR latex used in this work was a saponified NR (SPNR) cured by peroxide to avoid allergenic problems in human use, which causes by protein and accelerator in sulphur cure. Macca charcoal is proved to have ability to generate far infrared rays (FIR) in the range of 6-14 µm which can transfer to be heat energy. The human body can absorb FIR in this range because of their deep penetrating ability. Light energy is changed to thermal energy when FIR penetrates through skin to the subcutaneous tissues. This thermal energy helps to decrease the symptoms of stress and fatigue such as headaches, joint pain, burns, muscle spasms, and insomnia. In this work, the SPNR/Macca composite was subjected to studying the effect of Macca charcoal content on the physical and thermal properties of SPNR composites. The results showed that hardness and tensile properties increased with increasing an addition of Macca charcoal in SPNR. In addition, the increasing of Macca charcoal content enhance thermal retention estimation and thermal intensity, but has no substantial effect on depth of FIR diffusion on pork layer. Thus, SPNR/Macca charcoal composites can be an optional material apply for an adhesive bandage for pain relief purpose.

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Oswald, Ferdinand, und Roger Riewe. „Grip Fixing Instead of Adhesive - Exterior Insulation Finishing Systems (EIFS) as a Sorted Recyclable Façade System with Reclosable Fastener Fixation“. Applied Mechanics and Materials 887 (Januar 2019): 80–89. http://dx.doi.org/10.4028/www.scientific.net/amm.887.80.

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The paper describes the project facade4zeroWaste which includes the development, architectural design relevance, grants of patents, results of pre-certification testing’s and the product publication in the time frame from 2009 till 2017. Aim of the research project facade4zeroWaste was the idea of a recyclable facade insulation system that can easily be dismantled after its lifetime and reused thanks to an innovative grip fixing system consisting of mushroom-shaped heads and loops - Grip fixing instead of adhesive. The project won numerous prices and awards like the EQAR - Recycling Prize 2015 or the Innovation Award for Architecture and Building 2017. The project is a contract research project tasked by Sto SE & Co. KGaA, Germany and Sto GesmbH, Austria. The façade system was presented to the public in January 2017 as the product Sto Systain R (R = render: seamless plaster layer surface) on the building fair BAU 2017 in Munich. *

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Izmailovich, M. R., S. R. Valiyeva, D. N. Sarbasova, O. Yu Dedova, B. S. Koshkarbaeva und A. A. Knaus. „Allergic Contact Dermatitis: Sensitization to 2-Hydroxyethyl Methacrylate“. Juvenis Scientia 9, Nr. 1 (2023): 54–60. http://dx.doi.org/10.32415/jscientia_2023_9_1_54-60.

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Acrylate polymers are an important cause of allergic contact dermatitis. Over the last decades, the vector of allergy to methacrylic acid esters has shifted from industrial products to the beauty and medical industries. In the described clinical case, the potential risk of sensitization to 2-hydroxyethyl methacrylate, a component of medical products, is emphasized, particularly in patients working in the cosmetology field. The authors present a clinical case of allergic contact dermatitis caused by 2-hydroxyethyl methacrylate, a component of the adhesive in a medical plaster. Basic diagnostic measures, including allergodiagnostics using a patch test, were conducted. Based on the collected data, the diagnosis was verified, and therapy for allergic contact dermatitis was prescribed according to the international clinical treatment protocol. The increasing number of cases of allergic contact dermatitis caused by acrylate compounds in medical materials requires further investigation and the implementation of effective preventive measures to ensure patient safety.

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Louis, Chraseeta, Praveena Shetty, R. Siddharth, Dilip Daniel Quadras, George S. Mandolil und E. Ajay Rai. „Comparison of the Degree of Conversion of Orthodontic Adhesive when Cured with Different Curing Lights“. Kerala Dental Journal 46, Nr. 3 (2023): 84–88. http://dx.doi.org/10.4103/ksdj.ksdj_24_23.

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Abstract Introduction: The final physical and mechanical properties of composites are determined by the degree of conversion (DC%) of monomer in the composite, which in turn determines the quality of bonding. Incomplete conversion of monomer might lead to the leach of various chemical compounds from the uncured resin. Aims and Objectives: This study assessed the DC% of Transbond XT composite resin when cured with three different light-curing units using Fourier transform infrared (FTIR) spectroscopy. Materials and Methods: A total of 60 metallic brackets were used. The bonding system was Transbond XT Primer, followed by Transbond XT composite resin that cured for 10 s, 3 s with Elipar DeepCure-L 3M and Woodpecker iLED, respectively, as recommended by the manufacturers and 20 s by BeeCool light-emitting diode-corded (taken as control) on extracted natural teeth which were mounted on the plaster of Paris base. One millimetre was used to standardise the distance between the light source and each specimen. Immediately after polymerisation, the debonded cured composites were tested using FTIR spectroscopy to assess DC%. Non-cured resin specimens were also subjected to FTIR spectroscopy, to serve as non-cured references. Results: With 3M, Woodpecker and BeeCool, the DC% of monomer was 58.83%, 58.53% and 21.55%, respectively. No statistically significant difference was found between 3M and Woodpecker lights. BeeCool showed significantly lower DC%. Conclusion: It is essential for clinicians to have prior knowledge of light-curing units before committing to purchase one as the reduction in exposure time is beneficial for both the patient and the orthodontist.

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Azevedo, Cristiana Godoy Sartori, Mario Fernando De Goes, Glaucia Maria Bovi Ambrosano und Daniel C. N. Chan. „1-Year clinical study of indirect resin composite restorations luted with a self-adhesive resin cement: effect of enamel etching“. Brazilian Dental Journal 23, Nr. 2 (April 2012): 97–103. http://dx.doi.org/10.1590/s0103-64402012000200002.

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In vitro studies have recommended enamel-etching before luting indirect restorations with self-adhesive resin cement. However, there is no scientific proof that this procedure has any clinical relevance. Thus, the aim of this study was to evaluate the effect of enamel-etching on the marginal quality of indirect composite resin restorations (inlay/onlay) using the self-adhesive cement RelyX Unicem clicker. Forty-two posterior teeth were selected from 25 patients that presented one or two teeth with large restorations in need of replacement. All teeth were prepared by the same operator and impressed with polyvinylsiloxane material. The composite resin restorations were built over plaster casts using the incremental technique with a LED device for light-curing the increments. The inlays/onlays were cemented according to one of the following protocols: 1. Etched group (ETR) - selective enamel phosphoric-acid etching + RelyX Unicem clicker; 2. Non-etched group (NER) - RelyX Unicem clicker alone. Each surface was light-cured for 60 s. Recalls occurred after 1 week (baseline), 6 and 12 months when the teeth were evaluated according to previously established scores (modified USPHS criteria). The clinical analysis showed little or no visible changes in the marginal quality after 1 year, even though a probe could detect all the restorations margins. Statistical analysis (Fisher’s exact test, p<0.05) detected no differences between the groups after 12 months. No restorations failed and no secondary caries were found. Enamel acid etching had no clinical relevance on the marginal quality of indirect composite resin restorations luted with RelyX Unicem clicker after 1 year of follow up.

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You, Min, Ya Lan Zhao, Jian Li Li und Ying Ying Li. „Numerical Analysis of Multi-Layer on the Stress Distribution in Adhesively Bonded Single Lap Aluminum Joint“. Advanced Materials Research 1061-1062 (Dezember 2014): 471–74. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.471.

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The effect of dual adhesives to form multi-layer on the stress distributed in adhesively bonded single lap aluminum joint was investigated using elasto-plastic finite element method (FEM). The results from the numerical simulation showed that the values of the peak stress along the bondline are influenced evidently when there is a multi-layer formed by a middle layer with higher elastic modulus adhesive and two layers with lower elastic modulus adhesive.

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Nakonechnyy, R. A., und A. Y. Nakonechnyi. „OPTIMIZATION OF SURGICAL WOUND CARE AFTER URETHROPLASTY IN CHILDREN WITH HYPOSPADIA“. Novosti Khirurgii 30, Nr. 1 (21.02.2022): 46–53. http://dx.doi.org/10.18484/2305-0047.2022.1.46.

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Objectives. To develop optimal postoperative wound care tactics for boys with hypospadias. Methods. The patients (128) with hypospadias aged from 11 months to 7 years were examined. The main group A consisted of 83 (64.8%) patients in whom we used a special bandage. It includes layer by layer of soft polyamide net two-sided onlay coated with soft silicone and adhesive properties, abundantly treated with an antimicrobial ointment containing an osmotic agent, sterile absorbent wipes with non-woven material, a circularly applied elastic bandage and an adhesive plaster with porous non-woven material. The dressing usually held up to 5 days. Group B included 45 (35.2%) patients with hypospadias, in whom we used a conventional sterile circular gauze bandage with antimicrobial ointment. The gauze bandage changed daily. For all clinical symptoms the groups were comparable in age. Postoperative wound healing had been monitored for 10 days after urethroplasty. The emphasis was made on such criteria as bleeding with hematoma formation, copious exudate excretion, penis skin hyperemia, «soft» and «dense» edema, drying crust (scab), skin sutures dehiscence, hypergranulation and necrosis. Results. In group A, problems with the skin flap and postoperative wound were detected only in 17 (20.5%) boys on the second or third day after removal of the special bandage. In the postoperative period, 41 (91.1%) patients in group B had «painful» skin changes in the area of the postoperative wound, which appeared almost the next day after surgery. Conclusion. The use of special bandage delays in time the contact of microbiota penis tissues compromised by surgery and the external environment, which, no doubt, improves the healing of skin grafts in the early postoperative period, and therefore reduces the number of urethroplasty complications. What this paper adds For the first time in patients with hypospadias, the process of postoperative wound healing was analyzed depending on the type of dressing. It was established that the use of a long-term bandage with a soft polyamide mesh doublesided pad with a silicone contact layer and adhesive properties compared to a traditional gauze bandage, which was changed daily, optimized the tactics of postoperative wound care in boys with hypospadias and minimized the number of urethroplasty complications.

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Zhao, Hai Long, Zong Zhan Gao, Zhu Feng Yue und Zhi Feng Jiang. „Effect of Adhesive Layer’s Voids on Stress Distribution of Adhesively Bonded Joints“. Advanced Materials Research 139-141 (Oktober 2010): 986–89. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.986.

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The stress distribution of adhesively-bonded single lap joints under tensile shear loading is analyzed using 2-dimensional elastic-plastic finite element method (FEM). Special attentions have been put on the influence of void in adhesive on the stress distribution of adhesively-bonded joints. The results show that the stress concentration of the void is less than that of the end part of the joints when adhesive layer’s deformation was in the range of elastic. Moreover, the influence of the void on the stress distribution becomes less when the void moving from the end-part to the middle. The stress concentration becomes larger and the stress distribution of adhesive’s mid-thickness region becomes flatter when adhesive layer has biggish plastic deformation. Finite element results show an agreement with the theoretical results.

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Durmuş, Gökhan, und Sefa Ekinci. „Ballistic strength of aerated concrete“. Challenge Journal of Concrete Research Letters 12, Nr. 4 (16.12.2021): 114. http://dx.doi.org/10.20528/cjcrl.2021.04.001.

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In regional studies conducted by the Law Enforcement Agency and the Armed Forces within the scope of counter-terrorism activities, to ensure peace and security throughout the country and for the police and military personnel to provide security services, the need to produce different solutions has arisen in the face of attacks on the security points established at many important points, especially at the entrance and exit points of the cities. In this context, by changing the direction and angle of the wall types made of aerated concrete used in construction techniques, 7 variations were tested on these wall types with materials formed with adhesive mortar+plaster, monolithic elastomer polyurea, and non-Newtonian fluid, and the strength of these materials were tested with BR6 and BR7 bullets. The main purpose of this study was to determine the most suitable material in terms of security parameters in the shortest time and at a low cost and to create a reliable structure for security cabins. At the end of the study, the best results were obtained with the shots made on the narrow surface of the aerated concrete and the shots made on the platform formed with non-Newtonian fluid.

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Nawrocka, Agnieszka, und Monika Lukomska-Szymanska. „The Indirect Bonding Technique in Orthodontics—A Narrative Literature Review“. Materials 13, Nr. 4 (22.02.2020): 986. http://dx.doi.org/10.3390/ma13040986.

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The technique described as indirect bonding is an alternative to the conventional intraoral method of bracket placement. The appliance position is planned and fixed on a plaster model and then transferred into the oral cavity. Indirect bonding is a precise and time-saving technique of bracket placement, growing in popularity in recent years. It provides a combination of great precision with time efficiency. The fundaments of the indirect bonding technique are presented here. From the first clinical trial conducted almost fifty years ago, the method has evolved; the progress that has been made is described. Modern technologies involving computer scanning and manufacturing have led to great precision in bracket placement. Digital innovations such as rapid prototyping and stereolithography open up a new avenue of research and represent the next steps in indirect technique development. Individual 3D transfers are convenient in difficult clinical cases and can improve the effectiveness of the procedure, reduce the number of technical stages and reduce total chairside time. This paper also summarizes the advancement in adhesive materials, including an overview of advantages and disadvantages of different types of bonding resins and of the mean shear bond strength (SBS) achieved in the indirect procedure.

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Rissi, Renato, George Azevedo Lemos, Bernardo Neme Ide, Rafael Ludemann Camargo, Renato Chaves Souto Branco, Priscila Neder Morato und Evanisi Teresa Palomari. „Imobilização articular: efeitos sobre o tecido muscular de camundongos obesos e desnutridos“. Brazilian Journal of Kinanthropometry and Human Performance 18, Nr. 1 (16.03.2016): 1. http://dx.doi.org/10.5007/1980-0037.2016v18n1p1.

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DOI: http://dx.doi.org/10.5007/1980-0037.2016v18n1p1 Although it is a widely used resource for the treatment of musculoskeletal injuries, immobilization causes deleterious effects in muscle tissue after a short period of time. This study aimed to evaluate the gastrocnemius and tibialis anterior muscles of obese and protein malnourished animals under joint immobilization condition. Overall, 28 adult male mice were used (C57 / BL6), being divided into four groups (N = 7): Control Group (CG), Immobilized Control Group (ICG), Immobilized Obese Group (IOG) and Immobilized Malnourished Group (IMG). The immobilization protocol was performed by the use of adhesive tape and plaster. The conditions and obesity and protein malnutrition have been developed through the ingestion of diets specific for each group of animals. The histomorphometric analysis of muscles evaluated area and the diameter of muscle fibers. All immobilized groups showed reduction in the area and diameter of muscle fibers when compared to GC. Comparisons among immobilized groups showed that the area and diameter of muscle fibers of IOG and IMG were lower than ICG. The immobilization protocol caused reduction in muscle trophism in animals, and obese and malnourished animals suffered high losses under condition of muscle atrophy.

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Chiu, W. K., R. Jones und M. Chao. „A Visco-Plastic Analysis of Bonded Joints under Complex Loading“. Engineering Plastics 6, Nr. 1 (Januar 1998): 147823919800600. http://dx.doi.org/10.1177/147823919800600103.

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Adhesively bonded joints are traditionally designed using a single stress/strain curve to describe the mechanical behaviour of the adhesive. This paper addresses the validity of this assumption, given that the properties of film adhesives commonly used in bonded joints (e.g. FM 73) have been shown to demonstrate significant time dependencies both at room and high temperatures. To this end, a series of finite element analysis were conducted where the time dependent properties of the adhesive were modelled using a unified plasticity theory. The findings of this work show that, when performing certification assessments which require statements on the integrity and the durability of adhesively bonded joints subjected to complex load spectra, it may be necessary to consider an analysis which accounts for both time and load history effects. It is also shown that, for monotonic loading under constant loading rates, the peak stress strain response of the adhesive in a double lap joint follows the Glinka hypothesis for the notch stress-strain response of metals. However, it is shown that this approximation may not be valid for complex loading spectra.

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Chiu, W. K., R. Jones und M. Chao. „A Visco-Plastic Analysis of Bonded Joints under Complex Loading“. Polymers and Polymer Composites 6, Nr. 1 (Januar 1998): 15–24. http://dx.doi.org/10.1177/096739119800600103.

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Adhesively bonded joints are traditionally designed using a single stress/strain curve to describe the mechanical behaviour of the adhesive. This paper addresses the validity of this assumption, given that the properties of film adhesives commonly used in bonded joints (e.g. FM 73) have been shown to demonstrate significant time dependencies both at room and high temperatures. To this end, a series of finite element analysis were conducted where the time dependent properties of the adhesive were modelled using a unified plasticity theory. The findings of this work show that, when performing certification assessments which require statements on the integrity and the durability of adhesively bonded joints subjected to complex load spectra, it may be necessary to consider an analysis which accounts for both time and load history effects. It is also shown that, for monotonic loading under constant loading rates, the peak stress strain response of the adhesive in a double lap joint follows the Glinka hypothesis for the notch stress-strain response of metals. However, it is shown that this approximation may not be valid for complex loading spectra.

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Cheng, Rui Xiang, Ying Li, Qing Wen Wang und Zhong Qiu Li. „The Bonding Properties of PVC Wood-Plastic Composite Materials Glued with Two Kinds of Adhesive“. Advanced Materials Research 113-116 (Juni 2010): 1935–39. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.1935.

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This paper aimed to confirm which adhesive is more suitable to glue the PVC wood-plastic composite materials between epoxy adhesive and J-39 acrylic ester adhesive. This paper tested compression shear strength and aging properties of PVC wood-plastic composite materials glued with these two adhesives. The results show that compression shear strength of PVC wood-plastic composite materials glued with epoxy adhesive is higher than with J-39 acrylic adhesives. Meanwhile, the setting time of two adhesives has effect on compression shearing strength. The results of aging properties after boiled and UV light treatment show that bonding properties of PVC wood-plastic composite materials glued with two adhesive were both degraded after aging，but bonding properties glued with epoxy adhesive was better than acrylic ester adhesive.

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You, Min, Peng Wang, Hai Zhou Yu, Mei Li und Ya Lan Zhao. „Numerical Analysis of Bi-Adhesive Boded Single Lap Composite Joint with Mechanics Analysis“. Advanced Materials Research 644 (Januar 2013): 189–92. http://dx.doi.org/10.4028/www.scientific.net/amr.644.189.

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The effect of dual adhesives with different length ratio on the stress distributed in adhesively bonded single lap steel joint was investigated using elasto-plastic finite element method (FEM). The results from the numerical simulation showed that the peak stress along the bondline moves from the ends of the overlap to the middle part of lap zone. Compared with the results from the mono-adhesive system, appropriate bond-length ratios is beneficial to optimize the stress distribution and it is 0.4 for bi-adhesive bonded single lap composite joint.

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