Title:
SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2020/129603
Kind Code:
A1
Abstract:
The present invention provides a synthetic leather having a cured layer of a moisture-curable polyurethane hot melt resin composition that is a reaction product of a polyol (A) and a polyisocyanate (B) and contains a urethane polymer (i) having an isocyanate group. The synthetic leather is characterized by the polyol (A): containing a crystalline polyester polyol (a1) having a hexane diol as a raw material therefor; and not containing an aromatic polyester polyol (a'1). The polyol (A) ideally also contains a polyether polyol (a2) and another polyester polyol (a3). The polyether polyol (a2) is ideally polypropylene glycol and/or polytetramethylene glycol.
Inventors:
KOMATSUZAKI KUNIHIKO (JP)
KANAGAWA YOSHINORI (JP)
KANAGAWA YOSHINORI (JP)
Application Number:
PCT/JP2019/047145
Publication Date:
June 25, 2020
Filing Date:
December 03, 2019
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
D06N3/14; C08G18/10; C08G18/30; C08G18/40; C08G18/42
Domestic Patent References:
| WO2018110106A1 | 2018-06-21 | |||
| WO2018159359A1 | 2018-09-07 |
Foreign References:
| JPH05331777A | 1993-12-14 | |||
| JP2005206828A | 2005-08-04 | |||
| JP2016507619A | 2016-03-10 | |||
| JP4168205B2 | 2008-10-22 | |||
| US20180334773A1 | 2018-11-22 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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