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...
Main Authors: | ZHANG Ming-yan, GAO Sheng, WU Zi-jian, CUI Hong-yu, GAO Yan |
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Format: | Article |
Language: | zho |
Published: |
Journal of Materials Engineering
2019-05-01
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Series: | Cailiao gongcheng |
Subjects: | |
Online Access: | http://jme.biam.ac.cn/CN/Y2019/V47/I5/153 |
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