Blocked mercaptosilane coupling agents for filled rubbers
US6683135B2 · kind B2 · utility
77Cited by
15References
11Claims
0Family size
Inventors
Key dates
| Filing date | Nov 9, 2001 |
| Grant date | Jan 27, 2004 |
| Priority date | — |
| Expiry date | Nov 9, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L9/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is a rubber composition comprising:a) a blocked mercaptosilane of a defined structure, wherein the blocking group contains an unsaturated heteroatom or carbon chemically bound directly to sulfur via a single bond and, optionally, may be substituted with one or more carboxylate ester or carboxylic acid functional groups;b) an organic polymer;c) a filler; andd) a deblocking agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.