| 摘要 |
PROBLEM TO BE SOLVED: To obtain a resin composition which gives a cured material excellent in flexibility, resistance to soldering heat, heat aging resistance and resistances to electroless tinning and gilding, can realize the development with a dilute alkaline solution, and is suitable for a soldering resist and an interlaminar insulating layer. SOLUTION: The resin composition contains a polycarboxylic acid resin (A) containing an ethylenically unsaturated group, a diluent (B), and an epoxy resin (C) modified with a polysulfide. |
