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Formation of honeycomb films based on a soluble polyimide synthesized from 2,2′-bis[4-(3,4-dicarboxyphenoxy)phenyl]hexafluoropropane dianhydride and 3,3′-dimethyl-4,4′-diaminodiphenylmethane

✍ Scribed by Xutong Han; Ye Tian; Lihua Wang; Changfa Xiao

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
249 KB
Volume
107
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

A soluble polyimide was synthesized from 2,2′‐bis[4‐(3,4‐dicarboxyphenoxy)phenyl]propane dianhydride (BPADA) and 3,3′‐dimethyl‐4,4′‐diaminodiphenylmethane (DMMDA) by a two‐step method, and it had good solubility both in strong bipolar solvents and in common low‐boiling‐point solvents. The BPADA–DMMDA polyimide was dissolved in chloroform (CHCl~3~) and cast onto a glass substrate in a humid atmosphere. The BPADA–DMMDA/CHCl~3~ solution easily formed honeycomb films. Some affecting factors, such as the polymer solution concentration, atmospheric humidity, and solvent volatility, were tested. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci, 2008

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