24-09-2020 дата публикации
Номер: US20200299424A1
To provide a curable composition to be used to form an adhesive layer having deterioration by light suppressed, an adhesive layer obtained by curing the curable composition, and a transparent surface material, laminate and image display device provided with the adhesive layer. A curable composition characterized by comprising a curable compound, a photopolymerization initiator and a light stabilizer, wherein the curable compound comprises at least one urethane (meth)acrylate (A) having an addition-polymerizable unsaturated group and a molecular weight of 1,000-100,000, and at least one monomer (B) having an addition-polymerizable unsaturated group and a molecular weight of 100-600, and the light stabilizer is a light stabilizer having an addition-polymerizable unsaturated group in the molecule. 1. A curable composition comprising a curable compound , a non-curable compound , a photopolymerization initiator , an ultraviolet absorber and a light stabilizer , whereinthe curable compound comprises at least one urethane (meth)acrylate (A) having an addition-polymerizable unsaturated group and having a number average molecular weight of from 1,000 to 100,000, and at least one monomer (B) having an addition-polymerizable unsaturated group and having a number average molecular weight of from 100 to 600,the non-curable compound is a polyoxyalkylene polyol or polyoxyalkylene monool having from 1 to 6 hydroxy groups per molecule,the ultraviolet absorber is a benzotriazole-type ultraviolet absorber,a content of the ultraviolet absorber is from 0.01 to 10 parts by mass per 100 parts by mass of a total of the curable compound and the non-curable compound,the light stabilizer is a light stabilizer having an addition-polymerizable unsaturated group in the molecule, and a content of the light stabilizer is from 0.001 to 10 parts by mass per 100 parts by mass of a total of the curable compound and the non-curable compound.3. The curable composition according to claim 1 , which ...
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