Infusible and insoluble
公开/公告号：
US4239883 A
公开/公告日期：
Dec 16, 1980
被引量：
摘要：
Novel polyimide prepolymers are produced by reacting an unsaturated dicarboxylic acid imido acylchloride with a difunctional amine to produce the corresponding acid amide. Condensation of said reactants is preferably effected in solution in a low boiling solvent. The resulting prepolymer is hardened and completely polymerized by heating, preferably between about 80° C. and about 400° C., to yield a cross-linked, substantially infusible and insoluble polyimide resin and articles made therefrom.
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