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 ).
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申请公布号 |
US7431794(B2) |
申请公布日期 |
2008.10.07 |
申请号 |
US20050590142 |
申请日期 |
2005.02.23 |
申请人 |
DAINIPPON INK AND CHEMICALS, INC.;KURARAY CO., LTD. |
发明人 |
KANAGAWA YOSHINORI;NIWA TOSHIO;TAMAKI TOSHIFUMI;YONEDA HISAO |
分类号 |
C09J4/00;A01N1/00;B05D5/00;B32B3/00;B32B27/14;C08G18/00;C08G18/28;C09J101/00;C09J201/00;D06N3/00;D06N3/14 |
主分类号 |
C09J4/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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