Citation: XIE ping, LU Daohui, BAO Jingsheng. THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-SOLID STATE POLYMORPHISM[J]. Chinese Journal of Polymer Science, ;1988, 6(1): 45-50. shu

THERMOTROPIC LIQUID CRYSTALLINE COPOLYESTERS-SOLID STATE POLYMORPHISM

Received Date: 29 December 1986

This paper offers some new evidence on the polymorphism of solid state of liquid crystalline aromatic copolyesters which were prepared in our laboratory. The effects of different treatment conditions(quenching and annealing) on solid structure have been examined mainly by DSC and X-ray diffraction. The discussion focuses on the supercooled mesophase and low temperature solid-solid transition, the shifting of double melting peaks of annealed samples and the changing of their ΔH data depending on the treatment temperature,time and thermal scanning rate.
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