申请人:SUMITOMO BAKELITE CO., LTD.
公开号:EP1130041A1
公开(公告)日:2001-09-05
The present invention provides an epoxy resin composition that has both a rapidly-curability and an excellent storage stability and is useful in the field of electronic and electric materials. That is, the present invention is an epoxy resin composition comprising a compound (A) having two or more epoxy groups in the molecule, a co-condensation product (B) having two or more phenolic hydroxyl groups in the molecule, and a molecular association product (C) of a tetra-substituted phosphonium (X), a compound (Y) having two or more phenolic hydroxyl groups in the molecule, and a conjugate base of the compound (Y) having two or more phenolic hydroxyl groups in the molecule, said conjugate base being a phenoxide type compound obtained by removing a hydrogen atom from the aforesaid compound (Y) having two or more phenolic hydroxyl groups in the molecule.
本发明提供了一种环氧树脂组合物,该组合物具有快速固化性和优异的储存稳定性,可用于电子和电气材料领域。也就是说,本发明是一种环氧树脂组合物,包括分子中含有两个或两个以上环氧基团的化合物(A)、分子中含有两个或两个以上酚羟基的共缩合产物(B)和四取代膦(X)的分子缔合产物(C)、分子中含有两个或两个以上酚羟基的化合物(Y),以及分子中含有两个或两个以上酚羟基的化合物(Y)的共轭碱,所述共轭碱是通过从分子中含有两个或两个以上酚羟基的上述化合物(Y)中移除一个氢原子而获得的氧化酚型化合物。