| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ultraviolet ray-curing type resin composition excellent in the smoothness, shielding property and curability of a dent portion after raked out. <P>SOLUTION: The ultraviolet ray-curing type resin composition is characterized by including an urethane oligomer (A) having a number-average molecular weight of 1,000-10,000 and having at least one (meth)acryloyl group in the molecule, a (meth)acrylate monomer (B) having a number-average molecular weight of <1,000, a black pigment (C) and a photopolymerization initiator (D) as essential components, wherein the average primary particle diameter of the black pigment (C) is ≤400 nm, and the content of (D) on the basis of the total content of (A), (B), (C) and (D) is 1-10 wt.%. <P>COPYRIGHT: (C)2013,JPO&INPIT |
