Hydroxy-functional triamine catalyst compositions for polyurethane production
US5633293A · kind A · utility
18Cited by
7References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 30, 1995 |
| Grant date | May 27, 1997 |
| Priority date | — |
| Expiry date | Nov 30, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2115/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition consisting essentially of 0-50 mole % compound I and 50-100 mole % compound II: ##STR1## wherein R is hydrogen, a C.sub.1 -C.sub.4 alkly, C.sub.6 -C.sub.8 aryl, or C.sub.7 -C.sub.9 aralkyl group; and PA1 n is 2 to 8.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.