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Solution characterization of high molecular weight polyacrylonitrile obtained by plasma-induced polymerization

✍ Scribed by Bogdan C. Simionescu; Silvia Ioan; Maria Bercea; Cristofor I. Simionescu

Publisher: Elsevier Science
Year: 1991
Tongue: English
Weight: 288 KB
Volume: 27
Category: Article
ISSN: 0014-3057
DOI: 10.1016/0014-3057(91)90182-n

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✦ Synopsis

The behaviour of high molecular weight polyacrylonitrile, prepared by plasma-induced polymerization, in dilute solution in dimethylformamide was investigated by light scattering and viscometry. The dependence of the radius of gyration and of the second virial coefficient at 20°C and of the intrinsic viscosity at 15-50°C on the weight-average molecular weight of polymer was established. There is discussion of the possible appearance during the polymerization of branched structures, able to influence the mentioned dependencies.

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