Flow birefringence and conformational characteristics of molecules of para-and meta-isomers of polyoxyphenyl-benzoxazoleterephthalamides
โ Scribed by V.N. Tsvetkov; N.V. Pogodina; L.V. Starchenko
- Book ID
- 107753881
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 398 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0014-3057
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Flow birefringence (FB) and intrinsic viscosity of 19 samples of aromatic polyamide hydrazide (PAH) in dimethylsulphoxide (DMS), previously characterized by their weight-average molecular weights by the light scattering method, have been investigated. The molecular-weight dependence of reduced biref
Flow birefringence (FB) of solutions of poly-p-phenyleneterephthalamide (PpPhTPhA!, polym-phenyleneisophthalamide (PmPhIPhA) and 13 of their copolymers, with various compositions, has been investigated. The number S of monomer units in a Kuhn segment was determined for all samples from the experimen