| abstract |
PROBLEM TO BE SOLVED: To provide a decorative sheet for building materials excellent in stain resistance, chemical resistance, abrasion resistance, impact resistance and weather resistance, and in which these properties are balanced. SOLUTION: In a decorative sheet in which a curable resin layer 3 made of an ionizing radiation-curable resin or the like is formed on a surface of a thermoplastic resin base sheet 2 made of a polyolefin resin or the like, the curable resin layer 3 has one molecule. Weight average molecular weight of 1000 to 400 having two radically polymerizable unsaturated groups therein 0 urethane (meth) acrylate oligomer (A) 3 Curing of a mixture comprising 0% to 70% by weight, and 30% to 70% by weight of an aliphatic urethane (meth) acrylate oligomer (B) having 3 to 15 radically polymerizable unsaturated groups per molecule. Using the material layer, a decorative sheet for building materials was constructed. |