Title:
SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2020/116305
Kind Code:
A1
Abstract:
The present invention provides a synthetic leather having at least a base fabric (i), an intermediate layer (ii), and a skin layer (iii) and being characterized in that the intermediate layer (ii) is formed from a moisture-curing-type hot-melt urethane resin composition containing a foaming agent composition (A2) and a hot-melt urethane prepolymer (A1) having an isocyanate group, and that the skin layer (iii) is formed from a urethane resin composition containing water (Y), an anionic surfactant (Z), and an anionic urethane resin (X) having an anionic group at a concentration of 0.25 mmol/g or less. The foaming agent composition (A2) preferably contains N,N'-dinitrosopentamethylenetetramine and urea.
Inventors:
MAEDA RYO (JP)
KANAGAWA YOSHINORI (JP)
OOHATA RYOUHEI (JP)
SUGAYA EIJI (JP)
KANAGAWA YOSHINORI (JP)
OOHATA RYOUHEI (JP)
SUGAYA EIJI (JP)
Application Number:
PCT/JP2019/046535
Publication Date:
June 11, 2020
Filing Date:
November 28, 2019
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
D06N3/14; B32B5/18; B32B27/40; C08G18/10
Domestic Patent References:
| WO2013027489A1 | 2013-02-28 | |||
| WO2017038195A1 | 2017-03-09 | |||
| WO2018110105A1 | 2018-06-21 | |||
| WO2016063761A1 | 2016-04-28 | |||
| WO2019058693A1 | 2019-03-28 |
Foreign References:
| JP2005126848A | 2005-05-19 | |||
| CN103710995A | 2014-04-09 | |||
| US20130122765A1 | 2013-05-16 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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