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Dynamic structure and aqueous accessibility of poly(p-phenylene terephthalamide) crystallites

โœ Scribed by C.L Jackson; R.J Schadt; K.H Gardner; D.B Chase; S.R Allen; V Gabara; A.D English


Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
1014 KB
Volume
35
Category
Article
ISSN
0032-3861

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Dynamic birefringence and conformation o
โœ V.N. Tsvetkov; I.N. Shtennikova; T.V. Peker; G.I. Kudriavtsev; A.V. Volokhina; V ๐Ÿ“‚ Article ๐Ÿ“… 1977 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 288 KB

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