发明名称 Process for producing leather-like sheet
摘要 A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a hot-melt urethane prepolymer (A) having isocyanate groups at molecular terminal ends and a colorant (B), and applying said heated and melted resin composition (C) to either [1] a releasable substrate (D) and then bonding the coated surface to a fibrous substrate (E), or [2] a fibrous substrate (E) and then bonding the coated surface to a releasable substrate (D); wherein the colorant (B) contains a polyol with a number average molecular weight within a range from 1,000 to 20,000 as a vehicle (B- 1 ), and a pigment (B- 2 ).
申请公布号 US2007169887(A1) 申请公布日期 2007.07.26
申请号 US20050590142 申请日期 2005.02.23
申请人 KURARAY CO., LTD. 发明人 KANAGAWA YOSHINORI;NIWA TOSHIO;TAMAKI TOSHIFUMI;YONEDA HISAO
分类号 C09J175/00;D06N3/14 主分类号 C09J175/00
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