| 摘要 |
Disclosed is a reactive urethane compound which is excellent in curability, adhesion to a base, transparency, molecular flexibility and mechanical characteristics. Also disclosed are a curable composition containing such a reactive urethane compound and a cured product obtained from the composition. Specifically disclosed is an ethylenically unsaturated group-containing reactive urethane compound represented by the following formula (I). (In the formula, Rand Reach represents a hydrogen atom or an alkylene group; Rrepresents a hydrogen atom, an alkyl group or an aryl group; Rrepresents a single bond or an alkylene group; Rrepresents a hydrogen atom or a methyl group; Rrepresents an oxygen atom, a sulfur atom or an imino group; n represents a number of 2-12; m represents a number of 1-300; and X represents a residue of an aliphatic compound, aromatic compound or heterocyclic compound.)
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