Method of foaming a siloxane composition using microwave energy
US4026844A · kind A · utility
20Cited by
3References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 1975 |
| Grant date | May 31, 1977 |
| Priority date | — |
| Expiry date | Jul 14, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2383/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polydiorganosiloxane gum base stock can be foamed and cured by exposing to a microwave source a composition which comprises 100 parts by weight of the stock, 3 to 25 parts by weight of an organohydrogensiloxane, 0.05 to 0.5 part by weight of an acetylenic alcohol inhibitor, 1 to 200 p.p.m. platinum as a platinum catalyst and from 0.25 to 30 parts by weight of a microwave sensible material. This method is particularly useful where it would be impractical or undesirable to use heat to foam and cure silicone compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.