Title:
PROCESS FOR PRODUCING LEATHER-LIKE SHEET
Document Type and Number:
WIPO Patent Application WO/2005/083173
Kind Code:
A1
Abstract:
A process for producing a leather-like sheet which comprises heating and melting a moisture-curable hot-melt polyurethane resin composition (C) comprising a hot-melt urethane prepolymer (A) having an isocyanate group molecular end and a colorant (B) and [1] applying the molten composition (C) to a releasable substrate (D) and laminating the coated surface to a fibrous substrate (E) or [2] applying the molten composition (C) to a fibrous substrate (E) and laminating the coated surface to a releasable substrate (D) to thereby form a skin layer comprising the resin composition (C) on the fibrous substrate (E), the colorant (B) comprising a vehicle (B-1) comprising a polyol having a number-average molecular weight of 1,000-20,000 and a pigment (B-2).
Inventors:
Kanagawa, Yoshinori (10-38-301, Sugawara-cho Izumiotsu-sh, Osaka 66, 59500, JP)
Niwa, Toshio (1-24-5, Wakamiya-cho Izumiotsu-sh, Osaka 65, 59500, JP)
Tamaki, Toshifumi (2-2-379, Fujisawadai Tondabayashi-sh, Osaka 71, 58400, JP)
Yoneda, Hisao c/o Kuraray Co. Ltd. (1-2-1, Kaigandori, Okayama-sh, Okayama 01, 70286, JP)
Niwa, Toshio (1-24-5, Wakamiya-cho Izumiotsu-sh, Osaka 65, 59500, JP)
Tamaki, Toshifumi (2-2-379, Fujisawadai Tondabayashi-sh, Osaka 71, 58400, JP)
Yoneda, Hisao c/o Kuraray Co. Ltd. (1-2-1, Kaigandori, Okayama-sh, Okayama 01, 70286, JP)
Application Number:
PCT/JP2005/002888
Publication Date:
September 09, 2005
Filing Date:
February 23, 2005
Export Citation:
Assignee:
Dainippon Ink and Chemicals, Inc. (35-58, Sakashita 3-chome Itabashi-k, Tokyo 20, 17485, JP)
Kuraray Co., Ltd. (1621, Sakazu Kurashiki-sh, Okayama 22, 71086, JP)
Kanagawa, Yoshinori (10-38-301, Sugawara-cho Izumiotsu-sh, Osaka 66, 59500, JP)
Niwa, Toshio (1-24-5, Wakamiya-cho Izumiotsu-sh, Osaka 65, 59500, JP)
Tamaki, Toshifumi (2-2-379, Fujisawadai Tondabayashi-sh, Osaka 71, 58400, JP)
Yoneda, Hisao c/o Kuraray Co. Ltd. (1-2-1, Kaigandori, Okayama-sh, Okayama 01, 70286, JP)
Kuraray Co., Ltd. (1621, Sakazu Kurashiki-sh, Okayama 22, 71086, JP)
Kanagawa, Yoshinori (10-38-301, Sugawara-cho Izumiotsu-sh, Osaka 66, 59500, JP)
Niwa, Toshio (1-24-5, Wakamiya-cho Izumiotsu-sh, Osaka 65, 59500, JP)
Tamaki, Toshifumi (2-2-379, Fujisawadai Tondabayashi-sh, Osaka 71, 58400, JP)
Yoneda, Hisao c/o Kuraray Co. Ltd. (1-2-1, Kaigandori, Okayama-sh, Okayama 01, 70286, JP)
International Classes:
D06N3/00; D06N3/14; (IPC1-7): D06N3/14
Attorney, Agent or Firm:
Shiga, Masatake (2-3-1, Yaesu Chuo-k, Tokyo 53, 10484, JP)