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Indexed by:期刊论文

Date of Publication:2000-10-03

Journal:JOURNAL OF APPLIED POLYMER SCIENCE

Included Journals:Scopus、SCIE、EI

Volume:78

Issue:1

Page Number:20-24

ISSN No.:0021-8995

Key Words:polycondensation; copoly(aryl ether ketone); chain structure; property; solubility

Abstract:New copoly(aryl ether ketone)s have been synthesized by polycondensation of 2,2',3,3',6,6'-hexaphenyl-4,4'-diphenol, 2,2'-p-hydroxyphenyl-iso-propane, and 4,4'-difluorobenzophenone. The technology of C-13-NMR was used to determine contents of the two bisphenols in the copolymers. Chain structure was characterized by illustrating average block length (L-A, L-C) in terms of portion of the triads (AKA, CKC, AKC). The obtained copoly(aryl ether ketone)s have the properties of excellent solubility, high heat-resistance, good tensile strength, and good selectivity for gas permeability. (C) 2000 John Wiley & Sons, Inc.