(METH)ACRYLIC BLOCK COPOLYMER AND ACTIVE ENERGY RAY CURABLE COMPOSITION CONTAINING THE SAME
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United States of America Patent
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Oct 29, 2020
app pub date -
Nov 12, 2018
filing date -
Nov 15, 2017
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Abstract
Provided are a (meth)acrylic block copolymer exhibiting good active energy ray curability, in particular, curability of a blend thereof with an acrylate monomer, and an active energy ray curable composition comprising the (meth)acrylic block copolymer. The (meth)acrylic block copolymer includes a methacrylic polymer block (A) having an active energy ray curable group including a partial structure represented by the general formula (1) below wherein R1 denotes a hydrocarbon group having 1 to 10 carbon atoms, and W denotes a saturated hydrocarbon group having 1 to 10 carbon atoms, and an acrylic polymer block (B) having no active energy ray curable groups.
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