Method for reducing silicone foam density and silicone foam compositions
US4840974A · kind A · utility
9Cited by
3References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 5, 1988 |
| Grant date | Jun 20, 1989 |
| Priority date | — |
| Expiry date | Dec 5, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2383/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method is provided for reducing the density of silicone foam from a platinum catalyzed foamable two-package mixture of vinyl organosiloxane, organohydrogen siloxane, and hydroxylated material. The platinum catalyst used in the foamable mixture is in the form of a mixture of a platinum vinyl siloxane and a platinum triarylphosphine. A platinum catalyst mixture of platinum vinylsiloxane and triarylphosphine also has been found effective.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.