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Artykuły w czasopismach na temat „Polyethylene oxide”

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Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 30 lipca 2024

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1

Koksal, E., R. Ramachandran, P. Somasundaran i C. Maltesh. "Flocculation of oxides using polyethylene oxide". Powder Technology 62, nr 3 (wrzesień 1990): 253–59. http://dx.doi.org/10.1016/0032-5910(90)80112-c.

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2

Sharma, Swati, Nitu Bhaskar, Surjasarathi Bose i Bikaramjit Basu. "Biomimetic porous high-density polyethylene/polyethylene-grafted-maleic anhydride scaffold with improved in vitro cytocompatibility". Journal of Biomaterials Applications 32, nr 10 (5.04.2018): 1450–63. http://dx.doi.org/10.1177/0885328218766742.

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A major challenge for tissue engineering is to design and to develop a porous biocompatible scaffold, which can mimic the properties of natural tissue. As a first step towards this endeavour, we here demonstrate a distinct methodology in biomimetically synthesized porous high-density polyethylene scaffolds. Co-extrusion approach was adopted, whereby high-density polyethylene was melt mixed with polyethylene oxide to form an immiscible binary blend. Selective dissolution of polyethylene oxide from the biphasic system revealed droplet–matrix-type morphology. An attempt to stabilize such morphology against thermal and shear effects was made by the addition of polyethylene- grafted-maleic anhydride as a compatibilizer. A maximum ultimate tensile strength of 7 MPa and elastic modulus of 370 MPa were displayed by the high-density polyethylene/polyethylene oxide binary blend with 5% maleated polyethylene during uniaxial tensile loading. The cell culture experiments with murine myoblast C2C12 cell line indicated that compared to neat high-density polyethylene and high-density polyethylene/polyethylene oxide, the high-density polyethylene/polyethylene oxide with 5% polyethylene- grafted-maleic anhydride scaffold significantly increased muscle cell attachment and proliferation with distinct elongated threadlike appearance and highly stained nuclei, in vitro. This has been partly attributed to the change in surface wettability property with a reduced contact angle (∼72°) for 5% PE- g-MA blends. These findings suggest that the high-density polyethylene/polyethylene oxide with 5% polyethylene- grafted-maleic anhydride can be treated as a cell growth substrate in bioengineering applications.

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3

Gao, Renjin, Jiafang Li, Jianrong Xia, Qi Lin i Liwei Wang. "Influence of polyethylene oxide (PEO) on the performance of Chinese lacquer films". BioResources 17, nr 4 (10.08.2022): 5622–31. http://dx.doi.org/10.15376/biores.17.4.5622-5631.

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The Chinese lacquer composite films were prepared by modifying raw lacquer with polyethylene oxide. The film was characterized via Fourier-transform infrared spectroscopy, thermogravimetric analysis, and scanning electron microscopy. The infrared spectra confirmed the interaction between the polyethylene oxide and urushiol. The heat-resistance of the film was found to have decreased due to the presence of polyethylene oxide via thermogravimetric analysis. Additional pores and wrinkles were observed in the scanning electron microscopy image of polyethylene oxide modified lacquer films. The mechanical properties were tested according to the national standard. The results indicated that the gloss and flexibility of the modified film was enhanced by the presence of polyethylene oxide. When the ratio of polyethylene oxide was 3%, the gloss was increased from 59.8 to 81.6 and the flexibility changed from 15 mm to 1 mm. The alkaline-resistance, hardness, and adhesion were also increased via the modification of polyethylene oxide.

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4

Ali, Nasar, Dorina Chipara, Karen Lozano, James Hinthorne i Mircea Chipara. "Polyethylene oxide—fullerene nanocomposites". Applied Surface Science 421 (listopad 2017): 220–27. http://dx.doi.org/10.1016/j.apsusc.2016.11.166.

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5

Ohno, Hiroyuki, i Takahiro Tsukuda. "Electron-transfer reaction of polyethylene oxide-modified myoglobin in polyethylene oxide oligomers". Journal of Electroanalytical Chemistry 341, nr 1-2 (grudzień 1992): 137–49. http://dx.doi.org/10.1016/0022-0728(92)80480-r.

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6

Liu, Huan, i Baoqi Zuo. "Sound absorption property of PVA/PEO/GO nanofiber membrane and non-woven composite material". Journal of Industrial Textiles 50, nr 4 (6.03.2019): 512–25. http://dx.doi.org/10.1177/1528083719832857.

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Blend films based on polyvinyl alcohol/polyethylene oxide (70/30 wt%) undoped and doped with different concentration of graphene oxide were prepared by spiral vane electrospinning. Characteristic properties of the blend films were investigated by using X-ray diffraction and scanning electron microscopy. The sound absorption performance of the compositions (nanofiber membranes and needle punched non-woven fabric) was tested by an impedance tube. The sound absorption performance of non-woven fabric has greatly improved after combining with thin nanofiber membranes. With addition of graphene oxide, the fibers were intertwined in a loop and form a network, the areal density and surface roughness of the nanofiber membrane are reduced. Composites containing polyvinyl alcohol/polyethylene oxide nanofiber membranes and composites containing polyvinyl alcohol/polyethylene oxide/graphene oxide nanofiber membranes exhibited different sound absorption properties in different frequency bands. When the fiber coefficient of variation was small, the average sound absorption coefficient of the composite material was high. However, composites containing both polyvinyl alcohol/polyethylene oxide and polyvinyl alcohol/polyethylene oxide/graphene oxide nanofiber membranes had similar sound absorption properties, and the average sound absorption coefficient was greater than that of polyvinyl alcohol/polyethylene oxide composites.

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7

Eljali, Ahmed, Irwana Nainggolan, Shahrir Hashim, Tulus Ikhsan Nasution i Nur Zurihan Abd Wahab. "Fabrication of Chitosan-Polyethylene Oxide Polymeric Thin Film Using Electrochemical Deposition for Detection of Volatile Organic Compounds". Key Engineering Materials 744 (lipiec 2017): 359–63. http://dx.doi.org/10.4028/www.scientific.net/kem.744.359.

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This study focused on the fabrication of chitosan-polyethylene oxide sensitive thin film. The polyethylene oxide was used as an additive to enhance the electrical properties of chitosan towards ethanol and methanol gases. The chitosan-polyethylene oxide sensitive film was fabricated using electrochemical deposition technique to deposit a thin film of the sensitive blend on the printed circuit board surface. The sensitive blend electrical (I-V) properties were tested using a specific developed test chamber. Ethanol and methanol volatile organic compound gases were chosen in this work to study the thin sensing properties of the chitosan-polyethylene oxide film. The analyzed data demonstrated that chitosan-polyethylene oxide sensitive film was capable to detect the VOC gas molecules and showed that the sensitive blend was significantly selective to ethanol over methanol gas with output values of 0.31 µA and 0.023 µA respectively. Atomic force microscopy test was used to characterize the morphology and roughness of the pure chitosan and chitosan-polyethylene oxide sensitive films.

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8

Iutynska, G. O. "BIODEGRADATION AND ANTIMICROBIAL ACTIVITY OF GUANIDINE-CONTAINING POLYETHYLENE OXIDE HYDROGEL". Biotechnologia Acta 13, nr 4 (31.08.2020): 60–70. http://dx.doi.org/10.15407/biotech13.04.060.

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9

Thompson, Andre L., Lydia M. Mensah i Brian J. Love. "The effect of cisplatin on the nanoscale structure of aqueous PEO–PPO–PEO micelles of varying hydrophilicity observed using SAXS". Soft Matter 15, nr 19 (2019): 3970–77. http://dx.doi.org/10.1039/c9sm00071b.

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10

Miqdad, Husam, i Ibrahim Abdel-Rahman. "THE ACTIVATION ENERGY OF PURE POLYETHYLENE OXIDE AND POLYETHYLENE OXIDE DISPERSED WITH IODINE". Journal of Southwest Jiaotong University 57, nr 6 (30.12.2022): 614–19. http://dx.doi.org/10.35741/issn.0258-2724.57.6.57.

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The activation energy of thin films polymers made of pure polyethylene oxide (PEO) andPEOdoped with 0.1 % by weight iodine were investigated. The observed physical constants of the cast thin films, such as the activation energy were determined. The films were prepared by the casting method using electricity. This study investigated the variation of the activation energy of thin films of pure (PEO) andPEOdoped with 0.1 % wt. iodine with a frequency in the range of 200-800 kHz and with the temperature in the range of 30-55°C. The results proved that there is a significant change in the values of the activation energy (Ea) of both thin films being studied with the variation of frequency and temperature. It was found that the values of the (Ea) of the prepared thin films decrease withPEOdoped with 0.1 % wt. iodine. The Ea values for both thin films studied decrease with the increase in frequency and temperature.

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11

Almeida, Debora, i Maria de Fatima Marques. "Niobium Oxide as Catalyst for the Pyrolysis of Polypropylene and Polyethylene Plastic Waste". Chemistry & Chemical Technology 10, nr 4 (15.09.2016): 465–72. http://dx.doi.org/10.23939/chcht10.04.465.

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In the present work, the pyrolysis of polypropylene and polyethylene was evaluated with and without the addition of niobium oxide as catalyst by means of thermogravimetric analysis and experiments in a glass reactor. The results revealed that niobium oxide performed well in the pyrolysis of both polypropylene and polyethylene separately. For the mixture of polypropylene with polyethylene, the catalyst reduced the pyrolysis time.

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12

Desai, Neil P., i Jeffrey A. Hubbell. "Biological responses to polyethylene oxide modified polyethylene terephthalate surfaces". Journal of Biomedical Materials Research 25, nr 7 (lipiec 1991): 829–43. http://dx.doi.org/10.1002/jbm.820250704.

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13

Yang, M., S. J. Fang, R. Salovey i S. D. Allen. "Laser irradiation of polyethylene oxide". Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films 7, nr 4 (lipiec 1989): 2802–4. http://dx.doi.org/10.1116/1.576183.

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14

Korotkikh, N. I., N. N. Matveev i A. S. Sidorkin. "Pyroelectric properties of polyethylene oxide". Physics of the Solid State 51, nr 6 (czerwiec 2009): 1290–92. http://dx.doi.org/10.1134/s1063783409060328.

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15

Pogrebnyak, Andriy, Igor Chudyk, Volodymyr Pogrebnyak i Iryna Perkun. "Coil-Uncoiled Chain Transition of Polyethylene Oxide Solutions under Convergent Flow". Chemistry & Chemical Technology 13, nr 4 (15.12.2019): 465–70. http://dx.doi.org/10.23939/chcht13.04.465.

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16

Ng, C. L., H. K. Lee i S. F. Y. Li. "Prevention of protein adsorption on surfaces by polyethylene oxide-polypropylene oxide-polyethylene oxide triblock copolymers in capillary electrophoresis". Journal of Chromatography A 659, nr 2 (styczeń 1994): 427–34. http://dx.doi.org/10.1016/0021-9673(94)85085-2.

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17

Rokbani, Hajer, France Daigle i Abdellah Ajji. "Long- and short-term antibacterial properties of low-density polyethylene-based films coated with zinc oxide nanoparticles for potential use in food packaging". Journal of Plastic Film & Sheeting 35, nr 2 (2.01.2019): 117–34. http://dx.doi.org/10.1177/8756087918822677.

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Concerns in food safety and the need for high-quality foods have increased the demand for extending the shelf life of packaged foods. Subsequently, promoting and investigating the development of antibacterial materials for food packaging has become inevitable. Zinc oxide nanoparticles have attracted attention lately owing to their multifunctional properties, especially antibacterial activity. For this study, antibacterial low-density polyethylene films were prepared by coating zinc oxide nanoparticles onto their surface. The low-density polyethylene film antibacterial activity was evaluated toward Gram-positive and Gram-negative bacteria. The scanning electron microscopy images showed that using anhydride-modified low-density polyethylene (LDPE-g-AM) resin permitted improved zinc oxide nanoparticle distribution on the low-density polyethylene film surface, reduced the agglomerate sizes, and reinforced the zinc oxide nanoparticle bonding to the low-density polyethylene film surface. We found that the coated low-density polyethylene films exhibited high antibacterial activity against both strains. The antibacterial tests also proved that the coated films retained their antibacterial efficiency toward Escherichia coli, even after eight months, with a reduction rate higher than 99.9%, whereas for Staphylococcus aureus the antibacterial properties for the linear low-density polyethylene (LLDPE) films decreased at eight months and improved for the LDPE-g-AM films. When the zinc oxide coated films were laminated with neat low-density polyethylene, only the LDPE-g-AM was still active against E. coli provided that the lamination thickness does not go beyond 8 µm. This research demonstrated that the coated low-density polyethylene films have excellent attributes when used as an active coating in the food packaging industry.

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18

Miqdad, Husam, i Ibrahim Abdel-Rahman. "THE EFFECT OF 0.1 WT% IODINE ADDITION ON THE OPTICAL PROPERTIES OF POLYETHYLENE OXIDE FILMS". Journal of Southwest Jiaotong University 57, nr 6 (30.12.2022): 12–19. http://dx.doi.org/10.35741/issn.0258-2724.57.6.2.

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The study aimed to investigate the optical properties of thin films made of polyethylene oxide dispersed with dopants of a fixed amount of iodine (0.1 wt %). The films prepared by the casting method were optically investigated as a function of the iodine fillers. The study used a UV-visible spectrophotometer technique with a wavelength ranging from (200 to 800) nm and determined the absorption coefficient, refractive index, energy gap, extinction coefficient, optical conductivity, and dielectric constant in the UV-visible wavelength range. The results showed a noticeable change in these optical values with polyethylene oxide doped with 0.1 wt% iodine composites compared with the pure polyethylene oxide films. These measured values of polyethylene oxide doped with 0.1 wt% iodine depend on the wavelength of the incident ultraviolet light.

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19

Inai, N. H., A. E. Lewandowska, O. R. Ghita i S. J. Eichhorn. "Interfaces in polyethylene oxide modified cellulose nanocrystal - polyethylene matrix composites". Composites Science and Technology 154 (styczeń 2018): 128–35. http://dx.doi.org/10.1016/j.compscitech.2017.11.009.

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20

Mahadeva, Suresha K., i Jaehwan Kim. "Effect of polyethylene oxide-polyethylene glycol content and humidity on performance of electro-active paper actuators based on cellulose/polyethylene oxide-polyethylene glycol microcomposite". Polymer Engineering & Science 50, nr 6 (20.01.2010): 1199–204. http://dx.doi.org/10.1002/pen.21644.

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21

Ma, Wen Shi, Fang Yang, Bang Jun Deng, Hai Yan Sun i Xiao Dan Lin. "Studies on Self-Assembly of Methoxy Polyethylene Oxide Propyl Trimethoxysilane on Silicon Substrate". Advanced Materials Research 557-559 (lipiec 2012): 1916–20. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.1916.

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A novel hydrophilic and self-assemble functional methoxy polyethylene oxide propyl trimethoxysilane was synthesized by hydrosilylation reaction using methoxy polyethylene oxide monoallyl ether and trimethoxysilane. The self-assembled layer of methoxy polyethylene oxide propyl trimethoxysilane was prepared by immersing hydroxylate silicon substrate in silane solution. The structure, morphology and hydrophilicity of self-assembled layer were characterized by means of X-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM), and water contact angle method. The results show that methoxy polyethylene oxide propyl trimethoxysilane can self-assemble on the surface of hydroxylate silicon substrate. At concentration of 0.80 g/100 mL and the self-assembling time of 60 minutes, the self-assembled layer of methoxy polyethylene oxide propyl trimethoxysilane of average molecular weight of 682 shows a brush-like structure with each brush column size of 10~15 nm in diameter and 5~8 nm in height. The correspondence of the columns height with the average length of the silane molecules suggests that the layer obtained is monolayer and the brush columns are constituted by extended PEO molecular chain units in the silane. The distribution of columns is uniform and the root-mean-square（RMS） roughness of self-assembled monolayer is 0.98 nm. Water contact angle of the monolayer is 7.4°. A super-hydrophilic surface is obtained.

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22

Faridi-Majidi, Reza, Naser Sharifi-Sanjani i Mohammad Madani. "Synthesis of Calcium Carbonate-Polyethylene Oxide Hybrid Nanofibers Through In-Situ Electrospinning". Journal of Nanoscience and Nanotechnology 8, nr 5 (1.05.2008): 2627–31. http://dx.doi.org/10.1166/jnn.2008.18295.

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In this work, calcium carbonate nanoparticles-polyethylene oxide nanofibers as organic–inorganic hybrid were prepared via in-situ electrospinning. Thus, electrospinning of polyethylene oxide solution saturated with calcium hydroxide was carried out in gaseous carbon dioxide atmosphere. Transmission electron microscopy (TEM) showed that calcium carbonate (CaCO3) nanoparticles were formed on the produced nanofibers of 200–300 nm in diameter. The existence of the formed CaCO3 was also proved by thermogravimetric analysis (TGA) via loss of gaseous CO2 related to the decomposition of CaCO3 at about 500–840 °C. X-ray diffraction (XRD) analysis of the nanofibers showed that the formed CaCO3 nanoparticles have vaterite morphology. DSC analysis was used to determine melting point and to calculate the crystallinity of the produced hybrid nanofibers. The TEM, TGA, XRD and DSC analyses results of the obtained nanofibers were compared with those of the nanofibers produced in electrospinning of pure polyethylene oxide solution and polyethylene oxide solution having calcium hydroxide, both in air.

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23

Hore, Sarmimala, Gerhard Kaiser, Yong-Sheng Hu, Armin Schulz, Mitsuharu Konuma, Gabriele Götz, Wilfried Sigle, Aswin Verhoeven i Joachim Maier. "Carbonization of polyethylene on gold oxide". Journal of Materials Chemistry 18, nr 46 (2008): 5589. http://dx.doi.org/10.1039/b812430b.

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LEE, J., H. LEE i J. ANDRADE. "Blood compatibility of polyethylene oxide surfaces". Progress in Polymer Science 20, nr 6 (1995): 1043–79. http://dx.doi.org/10.1016/0079-6700(95)00011-4.

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25

Omer Kashmola, Talib, i Estabraq Saad Kamil. "Structure Rheology of Polyethylene Oxide Solution". Iraqi Journal of Chemical and Petroleum Engineering 15, nr 1 (30.03.2014): 23–32. http://dx.doi.org/10.31699/ijcpe.2014.1.3.

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Intrinsic viscosities have been studied for polyethylene oxide in water which has wide industrial applications. The polyethylene oxide samples had two different structures, the first one was linear and covers a wide range of molecular weight of 1, 3, 10, 20, 35, 99, 370, 1100, 4600, and 8000 kg/mol and the second one was branched and had molecular weights of 0.55 and 40 kg/mol.Intrinsic viscosities and Huggins constants have been determined for all types and molecular weights mentioned above at 25ºC using a capillary viscometer. The values of Mark-Houwink parameters (K and a) were equal to 0.0068 ml/g and 0.67 respectively, and have not been published for this range of molecular weight in as yet.

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26

Матвеев, Н. Н., Н. И. Борисова, Н. С. Камалова i Н. Ю. Евсикова. "Термополяризационный эффект в линейном полиэтиленоксиде при кристаллизации из расплава". Физика твердого тела 60, nr 10 (2018): 1911. http://dx.doi.org/10.21883/ftt.2018.10.46517.124.

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AbstractThe correlation between crystallite structural changes and polarization properties of a linear crystallized [–CH_2CH_2O–]_ n polyethylene oxide polymer is studied. The average spherulite radius and polarization of polyethylene oxide are inspected as functions of molecular weight of polymer and crystallization temperature from melt in a nonuniform temperature field.

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27

DESAI, N., i J. HUBBELL. "Tissue response to intraperitoneal implants of polyethylene oxide-modified polyethylene terephthalate". Biomaterials 13, nr 8 (1992): 505–10. http://dx.doi.org/10.1016/0142-9612(92)90101-s.

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Chaudhry, A. U., i Vikas Mittal. "High-density polyethylene nanocomposites using masterbatches of chlorinated polyethylene/graphene oxide". Polymer Engineering & Science 53, nr 1 (6.07.2012): 78–88. http://dx.doi.org/10.1002/pen.23241.

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Qiu, Zhongyu, Xiaowen Ge, Naibao Huang, Shixian Zhou, Junjie Zhang i Jiaping Xuan. "Polyethylene oxide-polypropylene oxide -polyethylene oxide derived porous carbon materials with different molecular weights as ORR catalyst in alkaline electrolytes". International Journal of Hydrogen Energy 46, nr 3 (styczeń 2021): 2952–59. http://dx.doi.org/10.1016/j.ijhydene.2020.07.175.

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Su, Yuanjie, Guangzhong Xie, Jun Chen, Hongfei Du, Hulin Zhang, Zhen Yuan, Zongbiao Ye, Xiaosong Du, Huiling Tai i Yadong Jiang. "Reduced graphene oxide–polyethylene oxide hybrid films for toluene sensing at room temperature". RSC Advances 6, nr 100 (2016): 97840–47. http://dx.doi.org/10.1039/c6ra21077e.

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Rondinella, Alfredo, Elia Marin, Brian J. McEntire, Ryan Bock, B. Sonny Bal, Wen Liang Zhu, Kengo Yamamoto i Giuseppe Pezzotti. "Bioceramics are Not Bioinert: The Role of Oxide and Non-Oxide Bioceramics on the Oxidation of UHMWPE Components in Artificial Joints". Key Engineering Materials 782 (październik 2018): 165–75. http://dx.doi.org/10.4028/www.scientific.net/kem.782.165.

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The following research is aimed at understanding the influence of Zirconia-Toughened Alumina (ZTA) and Silicon Nitride (Si3N4) on Ultra-High Molecular Weight Polyethylene (UHMWPE) acetabular liners. Bioceramic femoral heads were systematically tested against UHMWPE in controlled environment according to static/load-free coupling in hydrothermal environment, pin-on-ball wear testing, and hip-simulator wear testing. In addition, a retrieved ZTA femoral head has been analyzed and results have been compared to the simulations. Experimental results from X-ray photoelectron (XPS), cathodoluminescence (CL), Raman and Fourier-Transformed Infrared spectroscopy suggest that, despite conventional notions imply that bioceramics are inert, the surface chemistry of bioceramics was relevant to the oxidation rate of polyethylene liners. Non-biointertness could either be advantageous or disadvantageous toward polyethylene oxidation. The main reason resides in the peculiar chemical interactions between polyethylene and different ceramics, and, more specifically, depends on the direction of oxygen flow at the interface between the ceramic and the polymer. ZTA femoral heads were found to release a non-negligible amount of oxygen moieties from their surfaces, thus accelerating oxidative degradation of polyethylene. Conversely, Si3N4 ceramics exerted a protective role towards the polyethylene liner by scavenging oxygen from the tribolayer. The results of this work provide new insights into the interaction between bioceramics and polymers, which should also be considered when designing the next generation artificial hip joints with significantly elongated lifetimes.

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32

Pang, Peter, i Peter Englezos. "Kinetics of the aggregation of polyethylene oxide at temperatures above the polyethylene oxide–water cloud point temperature". Colloids and Surfaces A: Physicochemical and Engineering Aspects 204, nr 1-3 (maj 2002): 23–30. http://dx.doi.org/10.1016/s0927-7757(01)01110-4.

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Ge, Lingling, Stig E. Friberg i Rong Guo. "Evaporation in the Water, Polyethylene Oxide, and Polypropylene Oxide System". Journal of Dispersion Science and Technology 30, nr 6 (28.05.2009): 903–11. http://dx.doi.org/10.1080/01932690802646223.

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Sharma, Rakesh, i P. Bahadur. "Effect of different additives on the cloud point of a polyethylene oxide-polypropylene oxide-polyethylene oxide block copolymer in aqueous solution". Journal of Surfactants and Detergents 5, nr 3 (lipiec 2002): 263–68. http://dx.doi.org/10.1007/s11743-002-0226-9.

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Feng, Yancong, Rui Tan, Yan Zhao, Rongtan Gao, Luyi Yang, Jinlong Yang, Hao Li, Guofu Zhou, Haibiao Chen i Feng Pan. "Insight into fast ion migration kinetics of a new hybrid single Li-ion conductor based on aluminate complexes for solid-state Li-ion batteries". Nanoscale 10, nr 13 (2018): 5975–84. http://dx.doi.org/10.1039/c8nr00573g.

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A novel hybrid single Li-ion conductor with high ion migration kinetics was prepared by mixing aluminate complexes–polyethylene glycol and polyethylene oxide. The new hopping transport mechanism was proposed.

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Blin, Jean-Luc, Alexandre Léonard, Zhong-Yong Yuan, Laurent Gigot, Aurélien Vantomme, Anthony K. Cheetham i Bao-Lian Su. "Hierarchically Mesoporous/Macroporous Metal Oxides Templated from Polyethylene Oxide Surfactant Assemblies". Angewandte Chemie International Edition 42, nr 25 (30.06.2003): 2872–75. http://dx.doi.org/10.1002/anie.200250816.

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Nguyen, Hanh Ngoc, i Thao Huu Vo. "GREEN SYNTHESIS OF COPPER OXIDE NANOPARTICLES". Science and Technology Development Journal 14, nr 3 (30.09.2011): 61–69. http://dx.doi.org/10.32508/stdj.v14i3.1965.

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Nanoparticles of metal and metallic oxides have become a very active research area in the field of material chemistry. The surface effect is mainly responsible for deviation of the properties of nano-materials from that of the bulk. Nanosize copper oxide was synthesized by hydrolysis of copper salts in basic medium using biodegradable non-ionic polymer polyethylene glycol (PEG) as surface active agent The X-ray powder diffraction patterns (XRD) present typical peaks of copper oxides formed. The transmission electron microscopy (TEM) and scanning electron microscopy (SEM) images determined the shape and the nanosizes of the particles of about 10-30nm. The results exhibited the role of intermediate nanosize copper hydroxide species on the formation of copper oxide nanoparticles. The influence of synthesis temperature, reaction time, calcination temperature, etc. was studied.

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