Conformational order in crystalline states and gels of isotactic, syndiotactic and atactic polystyrenes studied by vibrational spectroscopy
T Nakaoki, M Kobayashi
Index: Nakaoki, Takahiko; Kobayashi, Masamichi Journal of Molecular Structure, 1991 , vol. 242, # 1 p. 315 - 331
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Citation Number: 63
Abstract
Abstract Stable conformations and their sequential order of isotactic (IPS), syndiotatic (SPS) and atactic polystyrenes (APS) in various aggregation states have been investigated by infrared (IR) spectroscopy, 13 C NMR and X-ray diffraction. It has been demostrated that the partially ordered skeletal conformation existing in IPS/CS 2 gels is of a (3/1) helix (TG) type having the pendant phenyl groups oriented in a disordered fashion, rather than the near- ...
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