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The estimation of phase modifications in polymers by the method of “molecular probes” in gas chromatography—IV: Glass transition behaviour and compatibility in mixtures of poly(vinyl chloride)—polystyrene and poly(vinyl chloride)—polyacrylonitrile

✍ Scribed by I.A. Schneider; Elena Maria Călugăru

Publisher
Elsevier Science
Year
1976
Tongue
English
Weight
174 KB
Volume
12
Category
Article
ISSN
0014-3057

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✦ Synopsis

Study of glass transitions in PVC-PS and PVC-PAN mixtures by the method of "molecular probes" indicates possible compatibility of PVC-PS mixtures with either low or high PS-content. PVC-PAN mixtures seem to be incompatible for the whole range of compositions.

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About the estimation of phase modifications in polymers by the method of molecular probes—I. The study of polyacrylonitrile and of its copolymers with vinyl acetate
✍ Elena-Maria Cǎlugǎru; I.A. Schneider 📂 Article 📅 1974 🏛 Elsevier Science 🌐 English ⚖ 188 KB

There is discussion of the application of reciprocal chromatography to study of the glass transition in polyacrylonitrile, polyvinyl acetate and their copolymers. This study shows one glass transition in PVAc, but three in PAN, in agreement with studies by the i.r.-method. The copolymers indicate a