Hybrid silicon-containing coupling agents for filled elastomer compositions
US7169872B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 30, 2002 |
| Grant date | Jan 30, 2007 |
| Priority date | — |
| Expiry date | Apr 30, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention describes novel chemical compounds whose structures are hybrids between sulfur-containing and non-sulfur-containing silanes wherein the two types of silanes are linked by siloxane bonds. The invention includes methods of preparation for the hybrid silanes as well as their use in filled rubbers as coupling agents. The hybrid silanes described are unique in that a certain amount of water in their preparation leads to superior performance in their intended application, and that they can thus be produced more efficiently and safely than coupling agents currently used in the art, from readily available hydrated raw materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.