Rubber compositions & vulcanizates including comb polymers
US6630535B1 · kind B1 · utility
6Cited by
17References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 18, 2000 |
| Grant date | Oct 7, 2003 |
| Priority date | — |
| Expiry date | Nov 23, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L51/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A composition comprising an elastomer, a filler, and a comb-like polymer, the comb-like polymer comprising a backbone and a plurality of side chains, the backbone having a length greater than or equal to the entanglement length, the side chains having a length greater than about 33% of the entanglement length, the backbone including at least one side chain per entanglement length, and the comb-like polymer having a Tg of less than −5° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.