Process for the preparation of siloxane-oxyalkylene copolymers
US5159096A · kind A · utility
36Cited by
15References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1991 |
| Grant date | Oct 27, 1992 |
| Priority date | — |
| Expiry date | Sep 30, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/46
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention provides an improved solventless hydrosilation process for preparing a siloxane-oxyalkylene copolymers, the improvement comprising conducting the reaction in the presence of at least one sodium metal phosphate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.