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US4689376A Heat-hardenable epoxide resin mixtures 失效
热硬化环氧树脂混合物

Heat-hardenable epoxide resin mixtures
摘要:
This invention relates to heat-hardenable epoxide resin mixtures of at least one 1,2-polyepoxide having more than one 1,2-epoxide group per molecule, at least one cyclic carboxylic acid anhydride and at least one ammonium phosphonate or ammonium phosphate as a hardening catalyst, as well as further optional auxiliaries.
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