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US5202407A Precatalyzed catalyst compositions, process for preparing epoxy resins curable compositions, articles resulting from curing the resultant compositions 失效
预催化催化剂组合物,制备环氧树脂可固化组合物的方法,固化所得组合物得到的制品

Precatalyzed catalyst compositions, process for preparing epoxy resins
curable compositions, articles resulting from curing the resultant
compositions
摘要:
The reaction between epoxy compounds and active hydrogen-containing compounds or anhydrides is catalyzed with a phosphine or phosphonium compound containing at least three C.sub.1 to C.sub.4 alkyl phenyl groups attached to the phosphorus atom per molecule.
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