Leather-like sheet material, process for production thereof, and interior, clothing and industrial materials made by using the same
US8603925B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 27, 2006 |
| Grant date | Dec 10, 2013 |
| Priority date | — |
| Expiry date | Apr 12, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/494
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention provides a leather-like sheet material which is excellent in surface appearance, texture and physical properties and considerate of the environment; a process for the production thereof; and interior, clothing, and industrial materials made by using the same. A leather-like sheet material made from a nonwoven fabric which is constituted of ultra-fine fibers having a mean single-fiber fineness of 0.001 to 0.5 dtex and impregnated with a self-emulsifiable polyurethane, wherein the self-emulsifiable polyurethane and the ultra-fine fibers do substantially not adhere closely to each other, the moieties of the polyurethane have a nonporous structure, and the polyurethane has a structure crosslinked by siloxane bond in the molecular structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.