发明授权
US4316002A Molding compositions comprised of polyimide/N-vinylpyrrolidone prepolymer and epoxy resin 失效
由聚酰亚胺/ N-乙烯基吡咯烷酮预聚物和环氧树脂组成的成型组合物

Molding compositions comprised of polyimide/N-vinylpyrrolidone
prepolymer and epoxy resin
摘要:
Novel thermosetting compositions, including a polyimide/N-vinylpyrrolidone prepolymer, optionally comprising an unsaturated polyester, and an epoxy resin, are well adapted for the molding of a variety of useful shaped articles.
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