| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyglycerol (meth)acrylic ester used as a diluent in a photopolymerizable resin composition having a high curing rate with visible light or ultraviolet light and affording the resultant resin having excellent adhesiveness to a substrate and excellent flexibility. SOLUTION: The polyglycerol (meth)acrylic ester represented by formula (1) (wherein, R<SB>1</SB>is a hydrogen atom or a methyl group; and n is an integer of 1-3) is provided. COPYRIGHT: (C)2006,JPO&NCIPI
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