Surfactant composition for rigid urethane and isocyanurate foams
US4751251A · kind A · utility
26Cited by
6References
32Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 19, 1987 |
| Grant date | Jun 14, 1988 |
| Priority date | — |
| Expiry date | May 19, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The specification discloses a surfactant composition for rigid urethane, including isocyanurate foams which includes from about 15 to about 50% each of the following ingredients: (1) an organic surfactant; (2) a siloxane-polyoxyalkylene surfactant; and (3) one of water, C-1 to C-3 alcohol and mixtures thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.