| 摘要 |
PURPOSE:To provide the titled composition having excellent stonechipping resistance, by using a film-forming component comprising a resin obtained by the graft polymerization of epsilon-caprolactone to the hydroxyl group of a bisphenol-type epoxy resin. CONSTITUTION:The objective composition can be prepared by compounding (A) a bisphenol-type epoxy resin (e.g. diglycidyl ether epoxy resin of formula and having an epoxy equivalent of 200-7,000) with (B) and epsilon-caprolactone-modified bisphenol-type epoxy resin prepared by the graft polymerization of preferably 0.5-1.0mol (based on 1mol of the hydroxyl group of the component A) of epsilon- caprolactone. The amount of the component B is e.g. 1-50pts.wt., preferably 5- 40pts.wt. per 100pts.wt. of the resin components.
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