An epoxy (meth)acrylate compound represented by general formula (1):
where at least one of R1 to R5 has a structure represented by formula (2):
* denotes the bonding position to a carbon atom that constitutes the benzene ring to which R1 to R5 are bonded in formula (1), R7 denotes a hydrogen atom or a methyl group, the remainder of R1 to R5 are each independently selected from the group consisting of hydrogen atoms, alkyl groups and alkoxy groups having 1-6 carbon atoms, and R6 denotes a hydrogen atom or a methyl group. In the epoxy (meth)acrylate compound, the content of halogen atoms is 100 ppm by mass or less. A curable composition for forming a protective film for an electrically conductive pattern obtained by mixing the epoxy (meth)acrylate compound with a photopolymerization initiator and at least one type of monomer or oligomer that contains a (meth)acryloyl group.
由通式(1)代表的环氧(甲基)
丙烯酸酯化合物:
其中 R1 至 R5 中至少有一个具有式(2)所代表的结构:
*表示与构成式(1)中 R1 至 R5 所键合的苯环的碳原子的键合位置,R7 表示氢原子或甲基,R1 至 R5 的其余部分各自独立地选自由氢原子、烷基和具有 1-6 个碳原子的烷氧基组成的组,R6 表示氢原子或甲基。在环氧(甲基)
丙烯酸酯化合物中,卤素原子的含量不超过 100 ppm(质量分数)。通过将环氧(甲基)
丙烯酸酯化合物与光聚合
引发剂和至少一种含有(甲基)
丙烯酰基的单体或低聚物混合而得到的用于形成导电图案保护膜的可固化组合物。