Oil extended rubber and composition containing low PCA oil

Details Oil extended rubber and composition containing low PCA oil Oil extended rubber and composition containing low PCA oil

2005-12-20

2005-12-20

Cheung, William K. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

C524S064000, C524S065000, C524S571000, C524S575000

Reexamination Certificate

active

06977276

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.

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European Search Report.

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