Flow birefringence (FB) for samples of poly-p-phenylene terephthalamide (PPPhTPhA) dissolved in sulphuric acid has been investigated; intrinsic viscosities [~/] of the solutions have been measured. Characteristic values of FB [n] and orientation angles [X/9] of the solutions were determined. Coeffic
โฆ LIBER โฆ
The flow birefringence and conformation properties of poly-p-phenylenoxadiazole molecules in solutions
โ Scribed by V.B. Tsvetkov; N.A. Mikhailova; V.B. Novakovskii; A.V. Volokhina; A.B. Raskina
- Book ID
- 118966663
- Publisher
- Elsevier Science
- Year
- 1980
- Weight
- 563 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0032-3950
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Flow birefringence (FB) in solutions has been investigated for a number of samples of polyamide-hydrazide (PPAH) in dimethylsulphoxide; intrinsic viscosities [r/] of the same solutions have been measured. Characteristic values of FB, It/I, and orientation angles [z/g] of the solutions were determine