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Synthesis and properties of polybenzimidazobenzophenanthrolines
Author(s) -
Zhou Wenle,
Lu Fengcai
Publication year - 1995
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1995.070580919
Subject(s) - condensation polymer , polymer chemistry , ether , polymer , dimethylacetamide , materials science , membrane , intrinsic viscosity , permeability (electromagnetism) , chemistry , organic chemistry , composite material , biochemistry , solvent
Polycondensation of 1,4,5,8‐naphthalenetetracarboxylic dianhydride (NTDA) with 3,3′‐diaminobenzidine (DAB) and 3,3′4,4′‐tetraaminodiphenyl ether (TADPE), respectively, in N,N′ ‐dimethylacetamide (DMAc) at room temperature was found to produce high‐viscosity polybenzimidazobenzophenanthroline (PBIPA) precursors. The PBIPA films, exhibiting excellent thermal and mechanical properties, were conveniently prepared by the heat cure of precursors. UV‐vis spectra and IR spectra of PBIPA were measured. The permeability to H 2 , O 2 , and N 2 of these two polymer membranes was determined at 30°C and 1 atm. © 1995 John Wiley & Sons, Inc.