Moldable polyurethane foam-backed fabrics
US4241131A · kind A · utility
33Cited by
17References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 1978 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | May 24, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/652
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a process wherein A a heat curable froth or foamable mixture of polyurethane reaction components is applied to the back of a fabric, B the coated fabric is heated to form a gelled, tack-free and storable foam-backed fabric and C the fabric is shaped and cured using a hot molding process. The polyurethane formulation contains a hydroxy functional ester of an acrylic or alkyl acrylic acid and a free radical initiator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.