Oil extended rubber and composition containing low PCA oil
US6977276B2 · kind B2 · utility
5Cited by
7References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 2003 |
| Grant date | Dec 20, 2005 |
| Priority date | — |
| Expiry date | Dec 15, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/01
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention is directed to an oil extended rubber and composition comprising: a solution polymerized elastomer derived from isoprene and optionally at least member of the group consisting of conjugated dienes and vinyl aromatic monomers; and from about 5 to about 70 parts by weight, per 100 parts by weight of elastomer (phr), of a process oil having a glass transition temperature of from about −80° C. to about −40° C. and a polycyclic aromatic content of less than 3 percent by weight as determined by the IP346 method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.