Gotowe bibliografie tematyczne / Polyvinylbutyral (PVB)

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Gotowa bibliografia na temat „Polyvinylbutyral (PVB)”

Autor: Grafiati
Data publikacji: 6 września 2023

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Artykuły w czasopismach na temat "Polyvinylbutyral (PVB)"

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Qu, Zuopeng, Lei Wang, Hongyu Tang, Huaiyu Ye i Meicheng Li. "Effect of Nano-SnS and Nano-MoS2 on the Corrosion Protection Performance of the Polyvinylbutyral and Zinc-Rich Polyvinylbutyral Coatings". Nanomaterials 9, nr 7 (30.06.2019): 956. http://dx.doi.org/10.3390/nano9070956.

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In this paper, four composite coatings of nano-SnS/polyvinylbutyral (PVB), nano-MoS2/PVB, nano-SnS-Zn/PVB, and nano-MoS2-Zn/PVB were prepared, and their anti-corrosion mechanism was analyzed by experimental and theoretical calculations. The results of the electrochemical experiments show that the effect of nano-MoS2 on the corrosion protection performance of PVB coating is better than that of nano-SnS in 3% NaCl solution, and that the addition of Zn further enhances this effect, which is consistent with the results of weight loss measurements. Furthermore, the observation of the corrosion matrix by the field emission scanning electron microscope (FESEM) further confirmed the above conclusion. At last, the molecular dynamics (MD) simulation were carried out to investigate the anti-corrosion mechanism of the nanofillers/PVB composites for the copper surface. The results show that both nano-SnS and nano-MoS2 are adsorbed strongly on the copper surface, and the binding energy of nano-MoS2 is larger than that of nano-SnS.
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Goncharova, P. S., G. V. Korobejnikov, E. V. Pavlenko, S. V. Borisov, M. A. Vaniev, A. B. Kochnov i I. A. Novakov. "EFFECT OF THE MOLECULAR MASS OF POLYVINYLBUTIRAL ON THE PROPERTIES OF POLYMERS BASED ON PHOSPHORUS-CONTAINING DIMETHACRYLATE". IZVESTIA VOLGOGRAD STATE TECHNICAL UNIVERSITY, nr 12(247) (24.12.2020): 60–65. http://dx.doi.org/10.35211/1990-5297-2020-12-247-60-65.

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The effect of the molecular weight of polyvinylbutyral dissolved in phosphorus-containing dimethacrylate on the rheological characteristics of solutions and the properties of polymers based on them has been studied. It was found that the dynamic viscosity of solutions containing 3% PVB with a molecular weight of 43,000, 57,000, and 95,000 g/mol compared with the viscosity of the phosphorus-containing dimethacrylate itself significantly increases. Depending on the molecular mass of polyvinylbutyral, materials obtained under the conditions of photochemically initiated polymerization are characterized by an increase of the elastic modulus during static bending up to 53% at a constant level of oxygen index values.
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Akinay, Yüksel, i Fatih Hayat. "Synthesis and microwave absorption enhancement of BaTiO3 nanoparticle/polyvinylbutyral composites". Journal of Composite Materials 53, nr 5 (12.07.2018): 593–601. http://dx.doi.org/10.1177/0021998318788144.

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Barium titanate (BaTiO3)-polyvinyl butyral (PVB) composites at various weight concentrations were prepared via ultrasonic probe sonicator. The sonication was carried out at 20 kHz and 70% amplitude for about 2 h and BaTiO3 nanoparticles were dispersed well in the mixture of PVB/ethanol under probe sonication. As a microwave absorbent, the microwave absorbing properties of the BaTiO3 nanoparticle-PVB composites with different mixture ratios of 5 wt.% (RAM1), 10 wt.% (RAM2) and 15 wt.% (RAM3) BaTiO3 were investigated based on transmission line theory in the frequency range from 1 GHz to 14 GHz. The minimum reflection loss (RL) of the RAM1 reaches −3.47 dB at 5.57 GHz with a matching thickness of only 7.0 mm. For RAM2 with 4 mm and 4.2 mm thickness ( tm), the RL values are less than −10 dB obtained in the frequency 10.3–13.4 GHz. The RAM3 composite with 15 wt.% BaTiO3 mixture ratio shows a minimum reflection loss of −43.8 dB at 11.01 GHz with a −15 dB bandwidth over the extended frequency range of 10.2–13.2 GHz for a thickness of 2.8 mm and −44.2 dB at 4.77 GHz for a thickness of 6.5 mm.
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Kang, Tae Jin, i Seong Deok Hwang. "Effect of Matrix Toughening on the Mechanical Properties of Glass Fibre Reinforced Composite". Engineering Plastics 4, nr 4 (styczeń 1996): 147823919600400. http://dx.doi.org/10.1177/147823919600400401.

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Changes in morphology and mechanical properties of glass fibre reinforced composites fabricated using a polyvinylbutyral (PVB) modified phenolic resol resin were studied. The PVB modified phenolic resin systems possessed discrete spheres of PVB evenly dispersed in a phenolic resin matrix at low thermoplastic content. However, at higher concentrations, phase inversion resulted, and the morphology consisted of discrete spheres of phenolic resin embedded in a PVB matrix. The mechanical properties of neat resin films showed maximum values with PVB content of 66.7 phr. But the tensile and flexural properties of the glass fibre composite showed the highest values with PVB 25-42.9 phr, lower PVB levels than those of neat resin films. The tensile and flexural moduli were significantly improved and showed maxima at about 25-42.9 phr, unlike the neat resin films which showed a continuous decrease. The reason is that the interfacial bond between fibre and matrix plays an important role and has been altered by the addition of the PVB to the glass fibre reinforced composite. The composite with increased PVB content showed increased toughness and a smaller damaged area after a drop-weight impact test.
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Kang, Tae Jin, i Seong Deok Hwang. "Effect of Matrix Toughening on the Mechanical Properties of Glass Fibre Reinforced Composite". Polymers and Polymer Composites 4, nr 4 (maj 1996): 217–24. http://dx.doi.org/10.1177/096739119600400401.

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Changes in morphology and mechanical properties of glass fibre reinforced composites fabricated using a polyvinylbutyral (PVB) modified phenolic resol resin were studied. The PVB modified phenolic resin systems possessed discrete spheres of PVB evenly dispersed in a phenolic resin matrix at low thermoplastic content. However, at higher concentrations, phase inversion resulted, and the morphology consisted of discrete spheres of phenolic resin embedded in a PVB matrix. The mechanical properties of neat resin films showed maximum values with PVB content of 66.7 phr. But the tensile and flexural properties of the glass fibre composite showed the highest values with PVB 25-42.9 phr, lower PVB levels than those of neat resin films. The tensile and flexural moduli were significantly improved and showed maxima at about 25-42.9 phr, unlike the neat resin films which showed a continuous decrease. The reason is that the interfacial bond between fibre and matrix plays an important role and has been altered by the addition of the PVB to the glass fibre reinforced composite. The composite with increased PVB content showed increased toughness and a smaller damaged area after a drop-weight impact test.
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Kumar, Pramendra, Nida Khan i Deepak Kumar. "POLYVINYL BUTYRAL (PVB), VERSETILE TEMPLATE FOR DESIGNING NANOCOMPOSITE/COMPOSITE MATERIALS:A REVIEW". Green Chemistry & Technology Letters 2, nr 4 (14.12.2016): 185. http://dx.doi.org/10.18510/gctl.2016.244.

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In current article, the versatile behaviour of Polyvinylbutyral (PVB)and its ability to form composite materials withvarious inorganic species is reported. PVB has hydrophilic vinyl alcohol groups and hydrophobic vinyl butyral groups. These groups behave as promoters of polymer adhesive and binders for organic moieties. The composite materials of PVB have been synthesized viaphysical as well as chemical both protocols. PVB is used as a constituent part in the formation of composite, induces a specific property in a resulting one which are utilized by various ways since it has stronger in binding ability, sharper optical clarity and able for providing flexibility and toughness in the formed composite. Varioussophisticated instrumentation techniques eg FTIR, XRD, FESEM, TEM etc. are reported for characterizations of samples. The composite materials have excellent film formation properties, and can be potential candidate for photoelectric as well as photovoltaic applications. The inorganic conducting species which do not have film formation ability can be useful by composite formation along with PVB. The green protocols for synthesis of composites may also useful for biological applications.
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Vũ Thị Hải Vân, Hải Vân Thị. "THE ROLE OF COUNTER ANIONS IN ANTICORROSIVE PROPERTIES OF SILICA-POLYPYRROLE COMPOSITE". Vietnam Journal of Science and Technology 56, nr 3B (13.09.2018): 104. http://dx.doi.org/10.15625/2525-2518/56/3b/12843.

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Silica/Polypyrrole (SiO2/PPy) composites were synthesized in the presence of different counter anions as oxalate (Ox), benzoat (Bz) and dodecyl-sulfate (DoS). The morphology and properties of composites were characterized by FTIR, EDX, SEM, TGA and CV method through the two-point-electrode. The synthesized composites were loaded in polyvinylbutyral (PVB) to develop coating for mild steel substrates. A comparative study of the corrosion protection efficiency of carbon steel coated with PVB and PVB containing composites was evaluated by measurement of open circuit potential (OCP), Tafel polarization and electrochemical impedance spectroscopy (EIS). It was found that SiO2/PPyOx could provide much better protection, with the lowest current density (4.81×10-8 A.cm-2 and highest impedance modulus (6.25×10-8 Ω.cm-2) when compared with SiO2/PPyDoS and SiO2/PPyBz due to the small size and inhibitive ability of oxalate anion.
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Kojovic, Aleksandar, i Irena Zivkovic. "Damage detection of hybrid aramid/metal-PVB composite materials using optical fiber sensors". Chemical Industry and Chemical Engineering Quarterly 15, nr 3 (2009): 137–42. http://dx.doi.org/10.2298/ciceq0903137k.

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Embedding optical fiber sensors within laminar thermoplastic composite material results in forming a system known as 'smart structure'. These sensors present the information about the inner structure health during the material exploitation and especially in the case of exterior impacts when a geometric configuration or the property changes of the material should be expected. This paper evaluates the feasibility of the real-time monitoring of indentation and low energy impact damage in composite laminates from indentation loading and Charpy pendulum impact, using the embedded intensity-based optical fiber sensors. An optical fiber sensing system, which relies solely on monitoring light intensity for providing the indication of the composite structural health, offers simplicity in design and cost-effectiveness. For this, aramid/polyvinylbutyral (PVB) and aramid/metal/PVB laminates with embedded optical fibers were fabricated. Four configurations of woven composites were tested, namely, aramid/PVB, and aramid/metal/PVB in three stacking sequences of aramid and metallic woven layers. The initiation of damage and fracture during testing was detected by observation of the intensity drop of light signal transmitted through an optical fiber.
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Bora, Pritom J., Irthasa Azeem, K. J. Vinoy, Praveen C. Ramamurthy i Giridhar Madras. "Morphology controllable microwave absorption property of polyvinylbutyral (PVB)-MnO 2 nanocomposites". Composites Part B: Engineering 132 (styczeń 2018): 188–96. http://dx.doi.org/10.1016/j.compositesb.2017.09.014.

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Du, Xianbin, Xuefeng Tang, Jiajie Fang i Da-Ming Zhu. "Quartz crystal resonator study of glass transitions in polyvinylbutyral (PVB) films". Journal of Applied Polymer Science 134, nr 42 (11.07.2017): 45433. http://dx.doi.org/10.1002/app.45433.

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Rozprawy doktorskie na temat "Polyvinylbutyral (PVB)"

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Llamas-Hernandez, Mayra. "Modélisation dynamique et caractérisation de films hybrides magnétiques de nanoparticules de polyvinylbutyral/oxyde de fer (PVB/Fe2O3) pour microactionneurs". Thesis, Bourgogne Franche-Comté, 2019. http://www.theses.fr/2019UBFCD034.

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L'objectif global du projet de recherche est de modéliser et de contrôler le comportement dynamique d'un matériel hybride magnétique développé à l'Universidad Autonoma de Nuevo Leon (UANL, Mexique) et d'explorer le potentiel en tant que microactionneur. Le matériel magnétique se compose de polyvinylbutyral comme phase polymerique (PVB) et une phase dispersée de nanoparticules d'oxyde de fer (Fe2O3). Ce matériel présente une déformation en réponse à un champ magnétique externe appliqué
The overall objective of this research project is to model and control the dynamic behavior of a magnetic hybrid material developed at Universidad Autónoma de Nuevo León (UANL, Mexico) and to explore its potential as microactuator. The hybrid material consists of a polymer matrix film of polyvinyl butyral (PVB) with iron oxide nanoparticles (Fe2O3). The main motivation for this research project is to propose a physical model of the dynamic behavior of a magnetic hybrid film (Fe2O3/PVB) when it is submitted to an external magnetic field
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Streszczenia konferencji na temat "Polyvinylbutyral (PVB)"

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Vauthey, Eric, Keith Holliday, Changjiang Wei, Alois Renn i Urs P. Wild. "Solvation Effects of Organic Dyes in Polymers: Wavelength Dependence of the Stark Effect". W Persistent Spectral Hole Burning: Science and Applications. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/pshb.1991.fe6.

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The wavelength dependence of the electric field effect on holes burnt in the absorption spectrum of nile red (NR) and cresyl violet (CV) in polyvinylbutyral (PVB) and polyvinylformal (PVF) films has been investigated. The holes were detected using the holographic method [1].
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Graener, H., T. Q. Ye i A. Laubereau. "Picosecond Holeburning Spectroscopy in the Infrared of Hydrogen-Bonded Systems". W International Conference on Ultrafast Phenomena. Washington, D.C.: Optica Publishing Group, 1990. http://dx.doi.org/10.1364/up.1990.md4.

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Photophysical and -chemical spectral holeburning is a well established technique in various spectroscopic fields and for different time-scales. Its ultrafast counterpart in the infrared however was lacking although detailed dynamical information can be provided by this powerful spectroscopy. We have, for the first time, observed spectral holes in the infrared on the picosecond time scale studying the OH stretching vibration as a spectroscopic probe of hydrogen bonds in condensed matter. In this report results on the terpolymer polyvinylbutyral (PVB) will be discussed.
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Al’shits, E. I., B. M. Kharlamov i N. I. Ulitsky. "Light- and Thermoinduced Spectral Diffusion in Organic Amorphous Systems Measured via Hole Burning Stark Spectroscop." W Persistent Spectral Hole Burning: Science and Applications. Washington, D.C.: Optica Publishing Group, 1991. http://dx.doi.org/10.1364/pshb.1991.fe10.

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Spectral diffusion (SD) is extensively investigated in the past years by means of hole burning method. In particular, evidences of thermo- [1] and lightinduced [2] SD are found. At the same time authors of [3] have found a strong dependence of the burned hole width on the burning fluence. As known, the classical model of a burning kinetics (hole broadening in this model is connected with saturation of the hole in the distribution function of impurity centers ) predicts enough weak hole broadening at the initial stage of burning [4]. It leads to a conclusion about possible additional mechanisms of hole broadening on an initial burning stage. One of such mechanisms can be SD, induced by the burning light (LISD). The influence of the burning power and fluence on the hole broadening was investigated by means of high sensitive Stark spectroscopy on chlorin in polyvinylbutyral (Chl/PVB). Thermoinduced SD (TISD) is investigated also, model of this process is proposed.
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