Polyurethane material for molding pad cover
US5367045A · kind A · utility
3Cited by
2References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1993 |
| Grant date | Nov 22, 1994 |
| Priority date | — |
| Expiry date | Aug 17, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2120/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A material for producing a pad cover molding polyurethane, comprsing a polyol, an isocyanate and an urethane reaction retarding catalyst comprising a tertiary amine blocked with an acid such as formic acid, said material containing neither any fluorocarbon nor any chlorofluorocarbon. The polyurethane material according to the present invention is capable of molding a non-foamed or sparsely foamed lacuna-free pad cover although the material contains neither any fluorocarbon nor any chlorofluorocarbon.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.