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Solution and solid-state NMR characterization of poly(p-phenylene terephthalamide)

✍ Scribed by A. D. English

Publisher
John Wiley and Sons
Year
1986
Tongue
English
Weight
610 KB
Volume
24
Category
Article
ISSN
0887-6266

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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