Synthesis of low molecular weight tapered styrene-butadiene copolymer and its use in tires
US11591428B2 · kind B2 · utility
0Cited by
14References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2018 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Sep 9, 2039 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/20
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods are described for the preparation of tapered styrene-butadiene copolymers for use as partial or full oil replacements in rubber compositions. The resulting rubber compositions exhibit improved storage modulus and wear resistance properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.