PROCESS FOR PRODUCING EPOXY ESTER RESINS AND PHOTOSENSITIVE RESIN COMPOSITIONS CONTAINING THEM
申请人:TAKEDA CHEMICAL INDUSTRIES, LTD.
公开号:EP0995765A1
公开(公告)日:2000-04-26
An epoxy ester having excellent storage stability even though epoxy groups, hydroxyl groups and carboxyl groups are present together, and a photosensitive resin composition having excellent storage stability, containing the same are provided.
In a step for forming an epoxy ester by reaction between an epoxy group and a carboxyl group, an organosulfur compound is used as a catalyst.
本发明提供了一种即使环氧基、羟基和羧基同时存在也具有优异贮存稳定性的环氧酯,以及含有该环氧酯的具有优异贮存稳定性的感光树脂组合物。
在通过环氧基团和羧基反应形成环氧酯的步骤中,使用了有机硫化合物作为催化剂。