| 简介 |
PROBLEM TO BE SOLVED : To provide a curing composition satisfying both excellent scratch resistance and high refractive index.SOLUTION : The curable composition is constituted of a polyfunctional (meth)acrylate and a phenoxybenzyl (meth)acrylate as in formula (1) wherein an average value of m1+m2 is adjusted to be 8.5 to 17 in the formula wherein Rand Rare a non-radical polymerizable substituent; Rand Rare an alkylene group; Rand Rare a hydrogen atom or a methyl group; Rand Rare a non-radical polymerizable substituent; k1 and k2 are each an integer of 0 to 4; m1 and m2 are each an integer of ≥0; n1 and n2 are each an integer of 1 to 4; p1 and p2 are each an integer of 0 to 4; provided n1+p1≤5, n2+p2≤5. |
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