Catalyst combination for polyurethanes
US4141862A · kind A · utility
26Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 1977 |
| Grant date | Feb 27, 1979 |
| Priority date | — |
| Expiry date | Oct 25, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/18
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An excellent catalyst for polyurethane foams is a combination of 1, 3, 5-tris(3-dimethyl-aminopropyl)-s-hexahydrotriazine and 2-(dimethylamino)-ethanol. It has unexpectedly been found that this catalyst combination produces both excellent gelation and blowing reactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.