Composition for preparing a release coating
US11390775B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 13, 2020 |
| Grant date | Jul 19, 2022 |
| Priority date | — |
| Expiry date | Nov 13, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition for forming a release coating is disclosed. The composition comprises (A) the reaction product of (1) a branched organopolysiloxane including M, D and Q siloxy units and an average of at least two silicon-bonded ethylenically unsaturated groups per molecule; and (2) an organosilicon compound having an average of at least two silicon-bonded hydrogen atoms per molecule; in the presence of a hydrosilylation catalyst. The composition further comprises (B) an organopolysiloxane having an average of at least two silicon-bonded ethylenically unsaturated groups per molecule.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.