Polyether silicone surfactants for the manufacture of urethane foams
US5432206A · kind A · utility
11Cited by
16References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 1994 |
| Grant date | Jul 11, 1995 |
| Priority date | — |
| Expiry date | Jul 29, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2483/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Silicone surfactants having a siloxane backbone and polyether pendants having average atomic masses of 2250. The surfactants of the invention operate in polyurethane foam compositions to provide stable foams over a range of surfactant concentrations while still producing product foams without splits. Also disclosed and claimed are polyurethane foam compositions which include the surfactants, a method of making polyurethane foam using the surfactants, and polyurethane foam made by the method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.