发明名称 Leather-like sheet
摘要 A leather-like sheet is provided having a substrate layer and a surface skin layer in which the surface skin layer is composed of a cross-linked product of a polyurethane hot-melt composition containing 100 parts by mass of a urethane prepolymer, 5 parts by mass to 40 parts by mass of a coloring agent containing a polyol, 5 parts by mass to 50 parts by mass of multi-functional (meth)acrylate, and 0.5 parts by mass to 5 parts by mass of a photopolymerization initiator, wherein the urethane prepolymer can be obtained by reacting 5% to 50% of the number of isocyanate groups in a urethane prepolymer containing isocyanate groups that is obtained by reacting a polyol containing 40% by mass or more of polytetramethylene glycol and a polyisocyanate with a (meth)acrylate containing a hydroxyl group. This leather-like sheet has an excellent surface grade while maintaining excellent suppleness and bending resistance.
申请公布号 US7767293(B2) 申请公布日期 2010.08.03
申请号 US20070447704 申请日期 2007.11.19
申请人 DIC CORPORATION 发明人 KANAGAWA YOSHINORI;NIWA TOSHIO;TAMAKI TOSHIFUMI;TAKAHASHI MINORU
分类号 B32B5/18;B32B27/40;C08L63/00;C08L75/00 主分类号 B32B5/18
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