Citation: Xin Gui LI, Mei Rong HUANG, Gui He GUAN, Tong SUN. STRUCTURE OF THERMOTROPIC LIQUID CRYSTALLINE VANILLIC ACID/P-HYDROXYBENZOIC ACID/ETHYLENE TEREPHTHALATE VHE TERPOLYESTERS[J]. Chinese Chemical Letters, ;1992, 3(3): 207-210. shu

STRUCTURE OF THERMOTROPIC LIQUID CRYSTALLINE VANILLIC ACID/P-HYDROXYBENZOIC ACID/ETHYLENE TEREPHTHALATE VHE TERPOLYESTERS

a Institute of Membrane Separation Engineering, Tianjin Institute of Textile Science and Technology, Tianjin, 300160;
b Department of Chemical Fiber Technology, Chi na Textile University, Shanghai, 200051

Received Date: 25 October 1991

Fund Project: This paper is presented in part at Fourth Asian Chemical Congress, Beijing, 1991,p. 657. This research is sponsored by the National Natural Science Foundation of China (NNSFC). The authors express their appreciations to the NNSFH.

Thermotropic liquid crystalline VHE terpolyesters made from vanillic acid (V),p-hydroxybenzoic acid (H) and poly (ethylene terephthalate) (E) were studied by 400 MHz NMR spectra, wide angle X-ray diffraction,scanning electron and polarizing microscopes.It was found that the VHE terpolyesters had random sequence distribution.The VHE terpolyester films exhibited highly oriented fibrillar structure.
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