Integral skin rigid urethane foam
US5057544A · kind A · utility
3Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1990 |
| Grant date | Oct 15, 1991 |
| Priority date | — |
| Expiry date | Nov 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to an integral skin rigid polyurethane foam having improved compressive strength and flexural strength. This foam is prepared by reacting a polyol resin component with an aromatic isocyanate using water as an auxiliary blowing agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.