Polyimides containing carbonyl and ether connecting groups. II
- 1 March 1989
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A: Polymer Chemistry
- Vol. 27 (4) , 1161-1174
- https://doi.org/10.1002/pola.1989.080270406
Abstract
In a continuation of our effort on polyimides containing carbonyl and ether connecting groups between aromatic rings, several new polyimides were prepared and characterized. A few of these polymers were semi‐crystalline. Glass transition temperatures ranged from 164 to 258°C and crystalline melt temperatures were observed between 350 and 424°C. The semi‐crystalline polyimide from the reaction of 3,3′,4,4′‐benzophenonetetracarboxylic dianhydride and 1,3‐bis(4‐aminophenoxy‐4′‐benzoyl)benzene provided transparent orange films with excellent tensile properties, exceptional resistance to solvents and strong base, and high thermooxidative stability. In addition, this polyimide provided excellent adhesive strength for joining titanium (6A1–4V) to titanium.Keywords
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