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The structure and mechanical properties of poly(p-phenylene terephthalamide) fibre

โœ Scribed by Northolt, M. G.

Publisher
Wiley (John Wiley & Sons)
Year
1981
Tongue
English
Weight
272 KB
Volume
13
Category
Article
ISSN
0007-1641

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Molecular composites were prepared by the solution blending of poly(ethylene oxide) (PEO) of three different molecular weights with low concentrations of poly(p-phenylene terephthalamide) (PPTA) anion serving as a rigid-rod reinforcement. For all of the composites, the tensile strength, stiffness, a

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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