| 摘要 |
PURPOSE:The titled resin composition, containing a specific epoxy resin, radically polymerizable compound and specific photosensitive aromatic onium salt and having printability, e.g. feathering, resolution, etc., resistance to plating solution, staining therewith, etc. CONSTITUTION:A composition, containing (A) an epoxy resin having at least 2 glycidyl ether groups directly linked to the aromatic ring or cyclohexane ring in one molecule, (B) a radically polymerizable compound having at least 2 ethylenically unsaturated bonds in one molecule having <=1,000 molecular weight, e.g. ethylene glycol di(meth)acrylate, etc., and (C) a photosensitive aromatic onium salt, e.g. triphenylphenacyl phosphonium tetrafluoroborate, etc. The amounts of the components based on 100pts.wt. total of the components (A) and (B) are preferably 90-40pts.wt. component (A) and 0.1-5pts.wt. component (C). |
