| abstract |
PROBLEM TO BE SOLVED: To use an active energy ray curable coating composition derived from a living organism and to form a coating film excellent in finish, pencil hardness, scratch resistance, weather resistance and solvent resistance. To provide things. [Solution] Acrylic ester (a1) of an acyclic oligosaccharide or derivative thereof having a weight average molecular weight of 400 to 2,000 and an average of 3.0 to 12.0 acryloyl groups per molecule, and a photopolymerization initiator An active energy ray-curable coating composition comprising (a2). [Selection figure] None |