Title:
SYNTHETIC LEATHER
Document Type and Number:
WIPO Patent Application WO/2019/235124
Kind Code:
A1
Abstract:
The present invention provides a synthetic leather which at least has a substrate (i), an adhesive layer (ii) and an epidermal layer (iii), the synthetic leather being characterized in that the adhesive layer (ii) and the epidermal layer (iii) are formed from a urethane resin composition which contains an anionic urethane resin, the anionic group concentration of which is 0.25 mmol/g or less, and also contains water and an anionic surfactant. It is preferable for the anionic surfactant to be an alkyl sulfosuccinic acid. The anionic group concentration of the anionic urethane resin is preferably within the range of 0.005-0.25 mmol/g, and more preferably within the range of 0.01-0.2 mmol/g.
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Inventors:
MAEDA RYO (JP)
Application Number:
PCT/JP2019/018505
Publication Date:
December 12, 2019
Filing Date:
May 09, 2019
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
D06N3/14; C08G18/08; C08G18/65
Foreign References:
| JP2007119749A | 2007-05-17 | |||
| JP2003335836A | 2003-11-28 | |||
| JP2007119521A | 2007-05-17 | |||
| JP2016191000A | 2016-11-10 | |||
| JP2007119749A | 2007-05-17 |
Other References:
See also references of EP 3789536A4
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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