Optical microscopy study on poly(p-phenylene terephthalamide) fibers
โ Scribed by M. M. Shahin
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 413 KB
- Volume
- 90
- Category
- Article
- ISSN
- 0021-8995
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๐ SIMILAR VOLUMES
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
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