Preparation and characterization of low expansion transparent copolyimide films

Preparation and characterization of low expansion transparent copolyimide films

Five transparent polyimide thin films with different proportions of 1,2,4,5-,pyromellitic dianhydride (PMDA) were made by copolymerization of 4,4'-(six fluoro isopropenyl) two phthalic anhydride (6FDA), 4,4'-two amino -2,2'-double three trifluoromethyl biphenyl (TFMB) and PMDA, and th...

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Bibliographic Details
Main Authors: ZHANG Ming-yan, GAO Sheng, WU Zi-jian, CUI Hong-yu, GAO Yan
Format: Article
Language:zho
Published: Journal of Materials Engineering 2019-05-01
Series:Journal of Materials Engineering
Subjects:
polyimide film
transparent
fluorine containing
copolymerization
coefficient of thermal expansion
Online Access:http://jme.biam.ac.cn/CN/Y2019/V47/I5/153

Internet

http://jme.biam.ac.cn/CN/Y2019/V47/I5/153

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