| 摘要 |
PROBLEM TO BE SOLVED: To provide a radically curable resin composition having improved curability at the contact surface with air. SOLUTION: The radically curable resin composition comprises at least a radically curable resin and an unsaturated carboxylic acid ester to be represented by formula (1), (wherein R<1> , R<2> , and R<3> are each independently hydrogen or an organic group; R<4> -R<8> are each independently hydrogen or an alkyl group; and n is an integer of 0-4). Concretely, R<3> in formula (1) is hydrogen or a methyl group. The above unsaturated carboxylic acid ester to be represented by formula (1) can be obtained by reacting an unsaturated carboxylic acid to be represented by formula (2) with an unsaturated alcohol to be represented by formula (3). Further, the unsaturated alcohol to be represented by formula (3) can be obtained by reacting an unsaturated oxirane with an alcohol compound.
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