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US4146701A Polyether diureide epoxy additives 失效
聚醚二环氧化物添加剂

Polyether diureide epoxy additives
摘要:
An epoxy resin having superior resistance to thermal shock comprises a vicinal polyepoxide, a curing amount of a certain bicyclic anhydride and an effective amount of an additive comprising a polyoxyalkylenepolyamine-maleic anhydride condensation product having thioureide, ureide or thioformamide or formamide end groups.
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