Method for polyurethane foam using a tri-tertiary amine catalyst
US4297443A · kind A · utility
2Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1980 |
| Grant date | Oct 27, 1981 |
| Priority date | — |
| Expiry date | Aug 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/1808
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method of catalyzing the curing of polyurethane foams formed by reacting a polyol with a diisocyanate in the presence of a blowing agent and a catalyst comprising using as the catalyst a compound of the formula ##STR1## where n is 0 or 1, R is methyl or ethyl and R' is hydrogen, methyl of dimethylamino.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.