Title:
SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2022/180897
Kind Code:
A1
Abstract:
The present invention provides a synthetic leather comprising a base (i), an adhesive layer (ii), and a skin layer (iii), wherein the adhesive layer (ii) and the skin layer (iii) are ones respectively formed from specific urethane resin compositions. The adhesive layer (ii) is one formed from a urethane resin composition comprising an anionic urethane resin (X) and water (Y). The skin layer (iii) is one formed from a urethane resin composition comprising an anionic urethane resin (S) and water (T), wherein the anionic urethane resin (S) is one obtained from ingredients including a polycarbonate polyol (A-1) produced using a biomass-derived decane diol as a starting material.
Inventors:
TSENG YA-YI (JP)
MAEDA RYO (JP)
MAEDA RYO (JP)
Application Number:
PCT/JP2021/033081
Publication Date:
September 01, 2022
Filing Date:
September 09, 2021
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
D06N3/14; C08G18/00; C08G18/44; C08G18/65
Domestic Patent References:
| WO2013027489A1 | 2013-02-28 | |||
| WO2020129605A1 | 2020-06-25 |
Foreign References:
| JP2020023761A | 2020-02-13 | |||
| JP2016222921A | 2016-12-28 | |||
| JP2018127758A | 2018-08-16 | |||
| JP2017133024A | 2017-08-03 | |||
| JP2011225863A | 2011-11-10 |
Other References:
"BENEBiOL NL-3010DB", MITSUBISHI CHEMICAL CORPORATION
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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