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Toughening poly-p-phenylene terephthalamide fibre

โœ Scribed by T. S. Sokolova; A. V. Volokhina; L. P. Milkova; S. P. Papkov; G. I. Kudryavtsev; A. A. Rogovina; E. Z. Fainberg; I. F. Khudoshev


Publisher
Springer US
Year
1975
Tongue
English
Weight
301 KB
Volume
6
Category
Article
ISSN
0015-0541

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X-ray diffraction study of poly(p-phenyl
โœ M.G. Northolt ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 384 KB

On the basis of an X-ray diffraction study, a model is proposed for the crystal and molecular structure of poly(p-phenylene terephthalamide). The monoclinic (pseudo-orthorh6mbic) unit cell [a = 7.87 A, b = 5.18 A, c (fibre axis) = 12.9A and ), = 90 ] possesses Pn or P21/n space-group symmetry. Two m