Method for condensing silyl units using a carbene catalyst
US8779078B2 · kind B2 · utility
0Cited by
7References
12Claims
0Family size
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Inventors
Key dates
| Filing date | Apr 20, 2007 |
| Grant date | Jul 15, 2014 |
| Priority date | — |
| Expiry date | Apr 6, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/08
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for condensation between at least one ≡SiOH unit and at least one ≡SiOR unit is provided. In accordance with the present invention, R=a hydrogen or a C1-C20 hydrocarbon group optionally comprising one or more heteroatoms, and the ≡SiOH and ≡SiOR units belong to at least one identical or different (organo)silicon compound P. The process is conducted in the presence of an effective amount of at least one catalyst C, comprising a carbene. Compositions are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.