Amine catalyst for urethanes
US4789689A · kind A · utility
2Cited by
21References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1987 |
| Grant date | Dec 6, 1988 |
| Priority date | — |
| Expiry date | Oct 29, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/1833
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Covers a method of producing a polyurethane by utilizing specific amine compounds of high activity as a catalyst in reacting an organic polyisocyanate with an organic polyester polyol or polyether polyol in the presence of said catalyst. Said amines fall within the following structural formula: ##STR1## where R.sub.1 and R are lower alkyl and x is 2-4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.