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Novel soluble polyimides derived from 2,2′-bis[4-(5-amino-2-pyridinoxy)phenyl]hexafluoropropane: Preparation, characterization, and optical, dielectric properties

✍ Scribed by Guan, Yue; Wang, Daming; Song, Guangliang; Dang, Guodong; Chen, Chunhai; Zhou, Hongwei; Zhao, Xiaogang


Book ID
127247870
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
1008 KB
Volume
55
Category
Article
ISSN
0032-3861

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✍ Hamid Yeganeh; Mehdi Barikani 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 English ⚖ 114 KB 👁 2 views

Two diisocyanate monomers containing methylene groups and built-in imide structure have been prepared from the parent diacids via the Curtius±Weinstock rearrangement. Polyimides have been synthesized by solution polymerization of these isocyanates with pyromellitic dianhydride (PMDA), 3,3',4,4'-benz