Citation: Yu Shan NI, Yun Hui WANG, Guang LI, Xiao Ming JIN, Meng Xian DING. SYNTHESIS AND CHARACTERIZATION OF A NEW THERMOTROPIC LIQUID CRYSTALLINE POLYESTER-ETHER SULFONE[J]. Chinese Chemical Letters, ;1993, 4(2): 125-128. shu

SYNTHESIS AND CHARACTERIZATION OF A NEW THERMOTROPIC LIQUID CRYSTALLINE POLYESTER-ETHER SULFONE

Changchun Institute of Applied Chemistry, Academia Sinica, Changchun 130022

Received Date: 18 June 1992

A new aromatic thermotropic liquid crystalline polyester-ether sulfone(PEES) was prepared from 4,4-bis(4-hydroxyphenoxy)diphenyl sulfone(BHPDS),terephthalic acid(TPA)and p-hydroxybenzoic acid(P-HBA).Some factors that affected melting viscosity of polymer such as prepolymerization reaction medium and post-polymerization etc,were discussed.The liquid crystalline properties were characterized by DSC,polarizing microscope with a hot stage and WAXD measurements.
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