Citation: De Wen DONG. SYNTHESIS AND PROPERTIES OF THERMOTROPIC COPOLY (ESTER IMIDE) S[J]. Chinese Chemical Letters, ;1996, 7(7): 605-608. shu

SYNTHESIS AND PROPERTIES OF THERMOTROPIC COPOLY (ESTER IMIDE) S

De Wen DONG

Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 13 October 1995

A series of copoly (ester imide)s is synthesized by thermal polycondensation of N, N'-hexane-1, 6-diylbis (trimellitimide), p-hydroxybenzoic acid and diphenols with different structures. Their thermotropic liquid crystal properties are studied by DSC measurements and polarizing microscopy. It is found that the steric effect of nonlinear bisphenol modifiers is the most important factor in controlling the liquid crystallinity of the resulting copoly (ester imide)s.
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