Acrylate and/or methacrylate-substituted organopolysiloxanes
US4940766A · kind A · utility
17Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1987 |
| Grant date | Jul 10, 1990 |
| Priority date | — |
| Expiry date | Aug 12, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/38
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Organopolysiloxane oils comprising acrylate and/or methacrylate functional groups, well adapted as additives for silicone elastomers, or for UV-curable silicone coating compositions, are prepared by transesterifying an organopolysiloxane including at least one (HOY)R.sub.2 SiO.sub.0.5 or (HOY)RSiO.sub.2/2 recurring unit, with a lower alkyl (meth)acrylate having the formula CH.sub.2 .dbd.CR'OCOR", in the presence of a catalytically effective amount of a tin compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.