Titlebook: Dielectric Properties of Polymers; Proceedings of a Sym Frank E. Karasz Conference proceedings 1972 Plenum Press, New York 1972 Copolymer.P

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Diagnostik, Nosologie, Klassifikatione and polypropylene oxide methylene bis phenyl diisocyanate polyurethanes. Four loss processes are observed and are ascribed to bulk conductance, interfacial polarization at the electrodes, Maxwell-Wagner-Sillars polarization of an occluded phase, and orientation polarization of the flexible chain s

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Affektive Psychosen: Melancholie und Maniemperature range of -160°C to + 100°C. The copolymers studied consisted of four acrylic acid and two methacrylic acid copolymers of varying acid content. In the temperature and frequency region investigated, two dielectric dispersions occur and these are labelled β’ and γ in order of decreasing tempe

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Psychiatrie in der Krankenpflegeausbildungnces of intermolecular origin (1,2). Perhaps the only exceptions to this rule are the cyclohexyl group chair- chair transition (3) and some low temperature methyl group rotations (4). In a previous study (5) of polystyrene systems, evidence was found to suggest that phenyl group rotation could only

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Affektive Störungen (affektive Psychosen)from about -10°C to +30°C. For polymers of 4-fluorostyrene and 4-chlorostyrene, as well as for a styrene/ 4-vinylpyridine 2/1 copolymer, the frequency of maximum dielectric loss at 300°K is about 30 to 40 MHz and the activation energy is about 5 kcal/mole. These results are in fair accord with acous

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https://doi.org/10.1007/978-3-322-81230-8 loss characteristics of the polymers, and (3) by modifying the losses that result upon oxidation. We have attempted to shed some light on these areas by studying the polymer poly (2,6- dimethyl-l,4-phenylene ether) at frequencies from 0.05 Hz to 10 kHz at temperatures from room temperature to 230°C