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Anomalous dielectric relaxation in poly(dimethyl siloxane) polymers

✍ Scribed by C.R. Sengupta

Publisher
Elsevier Science
Year
1982
Tongue
English
Weight
156 KB
Volume
23
Category
Article
ISSN
0032-3861

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πŸ“œ SIMILAR VOLUMES

Dielectric relaxation and effect of plas
Dielectric relaxation and effect of plasticisers on siloxane polymers
✍ C.R. Sengupta πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 298 KB

Studies of dielectric relaxation of polydimethyl siloxane have shown that there is anomalous behaviour near its melting point ( ~ -50), probably due to the presence of "'Rotator Phases". A detailed study of polyphenyl methyl siloxane, with various polar and non-polar diluents, has been carried out.

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✍ R.F.T. Stepto πŸ“‚ Article πŸ“… 1993 πŸ› Elsevier Science 🌐 English βš– 295 KB

Linear and cyclic PDMS have a common value of Me, the molar mass between entanglements. This phenomenon can be understood by recasting the Graessley-Edwards approach to entanglements in linear polymers in terms of binary interactions. The resulting equations provide a correction to the Graessley-Edw