| 摘要 |
PROBLEM TO BE SOLVED: To provide a one-pack primer composition for modified silicones, which contains an acetate-based solvent as a main component and prevents the deterioration of curability after stored, when a reactive silyl group-containing copolymer and a curing catalyst are used as a one pack. SOLUTION: This one pack composition is prepared by adding a dibasic acid dialkyl ester to a composition comprising a specific reactive silyl group-containing acrylic copolymer, a curing catalyst, and a solvent consisting mainly of an acetate-based compound. The one pack composition exhibits very high adhesiveness, greatly high elongation, and good crack followingness without lowering the curing of the composition after stored, even when exposed on an alkaline condition. When a specific amount of a≥10C alkyl group-having alkyl (meth)acrylate monomer is further used as a copolymerization component, an adhesiveness-improving effect can be expected. COPYRIGHT: (C)2007,JPO&INPIT
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