Results 171 to 180 of about 5,762 (211)
Fatigue crack propagation in polyvinylchloride and polyethersulfone polymer foams
Journal of Sandwich Structures and Materials, 2014 Crack growth in cross-linked polyvinylchloride and thermoplastic polyethersulfone foams under mode I fatigue cycling has been experimentally examined.
Leif A Carlsson, Anette M Karlsson
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Die Makromolekulare Chemie, 1953
AbstractEs wurde die Frage untersucht, ob und inwieweit in den Lösungen der Polyvinylchloride in verschiedenen Lösungsmitteln die Kolloidteilchen mit den Makromolekülen identisch sind. Durch polymeranaloge Chlorierung wurde nachgewiesen, daß sie in Tetrahydrofuran in molekularer Verteilung vorliegen.
von Hermann Staudinger, Manfred Häberle
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AbstractEs wurde die Frage untersucht, ob und inwieweit in den Lösungen der Polyvinylchloride in verschiedenen Lösungsmitteln die Kolloidteilchen mit den Makromolekülen identisch sind. Durch polymeranaloge Chlorierung wurde nachgewiesen, daß sie in Tetrahydrofuran in molekularer Verteilung vorliegen.
von Hermann Staudinger, Manfred Häberle
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Chemiluminescence of ozonized polyvinylchloride
Journal of Luminescence, 1978Abstract Time dependences of decomposition of peroxides in samples of polyvinylchloride (PVC) ozonized under different conditions and containing different concentrations of peroxidic groups were followed by chemiluminescence method. The kinetic characteristics of the chemiluminescence reaction were determined and the mechanism accounting for the ...
L. Matisová-Rychlá +4 more
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Shock compression of a polyvinylchloride based elastomer and polyvinylchloride
1992Shock compression of a polyvinychloride based elastomer, commercially known as Isodamp, to 7.8 GPa, shows evidence for an onset of glass transition around 3.5 GPa. The values of pressure derivatives of bulk modulus of Isodamp below and above the transition pressure are 9.36 and 2.21, respectively.
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Relaxation of polyvinylchloride compositions
Polymer Mechanics, 1974The relaxation of polyvinyl chloride, stabilized by dibasic lead carbonate or lead stearate and plasticized by a small amount of diisooctyl phthalate, was investigated. It was found that the lead stabilizers and diisooctyl phthalate accelerate the relaxation processes in the polymer.
Ch'ang Thi Huong +2 more
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Retgem with polyvinylchloride electrodes
Instruments and Experimental Techniques, 2011This paper presents a new design of Gas Electron Multiplier (GEM) based on electrodes made of polyvinylchloride plastic (PVC)-Resistive Electrode Thick GEM (RETGEM). Our device can operate with the gain up to 105 as a conventional GEM at low counting rates and as RPC (Resistive Plate Counter) in case of high counting rates without the transit to the ...
V. I. Razin +2 more
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Gelbildung der Polyvinylchloride
Kolloid-Zeitschrift, 19501. Die aus der Kolloidwissenschaft bekannten. Methoden zur Kennzeichnung der Gelbildung werden auf Polyvinylchlorid angewandt. Die Erstarrungs- und Erweichungstemperaturen sowie die Gelatinierungszeit von Gelen aus Igelit PCU-G in Trikresylphosphat und in o-Dichlorbenzol werden fur 1... 12 % bestimmt.
Johann F. Ehlers, Klaus R. Goldstein
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Blends of polychloroprene and polyvinylchloride
Die Angewandte Makromolekulare Chemie, 1987AbstractBlends of polychloroprene rubber and plasticized polyvinylchloride have been prepared in various compositions and their properties evaluated. The properties of the blends show that they can be used to replace polychloroprene in many applications.
K. E. George +2 more
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Determination of branching of polyvinylchloride
Die Makromolekulare Chemie, 1967AbstractThe degree of branching of some samples of polyvinylchloride (PVC) was determined by hydrogenation of the polymer with LiAlH4 followed by infrared measurements on the product so obtained. It is verified that during the hydrogenation process there does not occur any degradation of the polymer. The branching degrees are given as ratios of 100(CH3/
G. Boccato +3 more
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Kristallisation von polyvinylchlorid
Die Makromolekulare Chemie, 1970AbstractDie Kristallisations‐ und Rekristallisationsvorgänge verlaufen bei den handelsüblichen Suspensions‐ und Emulsions‐PVC‐Proben ähnlich wie bei anderen teilkristallinen Polymeren. Die Kristallinität von PVC ist niedrig (10−20%). Die Kristallite sind klein und unvoll‐kommen und besitzen eine große Neigung zur Rekristallisation.
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