发明授权
- 专利标题: Process for producing leather-like sheet
- 专利标题(中): 生产皮革样片材的方法
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申请号: US10590142申请日: 2005-02-23
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公开(公告)号: US07431794B2公开(公告)日: 2008-10-07
- 发明人: Yoshinori Kanagawa , Toshio Niwa , Toshifumi Tamaki , Hisao Yoneda
- 申请人: Yoshinori Kanagawa , Toshio Niwa , Toshifumi Tamaki , Hisao Yoneda
- 申请人地址: JP Tokyo JP Kurashiki-shi
- 专利权人: Dainippon Ink and Chemicals, Inc.,Kuraray Co., Ltd.
- 当前专利权人: Dainippon Ink and Chemicals, Inc.,Kuraray Co., Ltd.
- 当前专利权人地址: JP Tokyo JP Kurashiki-shi
- 代理机构: Edwards Angell Palmer & Dodge LLP
- 优先权: JP2004-051391 20040226
- 国际申请: PCT/JP2005/002888 WO 20050223
- 国际公布: WO2005/083173 WO 20050909
- 主分类号: C09J4/00
- IPC分类号: C09J4/00 ; C09J101/00 ; C09J201/00 ; A01N1/00 ; B32B27/14 ; B32B3/00 ; B05D5/00 ; C08G18/00 ; C08G18/28
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).
公开/授权文献
- US20070169887A1 Process for producing leather-like sheet 公开/授权日:2007-07-26
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