Diene polymers and process for producing the same

Details Diene polymers and process for producing the same Diene polymers and process for producing the same

1985-01-11

1986-05-13

Briggs, Sr., Wilbert J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525247, 525250, 525261, 525271, 525314, 526146, C08F29300

Patent

active

045887829

ABSTRACT:
A diene polymer produced by polymerizing a conjugated diene monomer in a solvent solution of an active lithium-terminated polymer in the presence of a catalyst consisting of (A) a cobalt compound and (B) carbon disulfide and/or phenylisothiocyanic acid. The diene polymer comprises a 1,2-polybutadiene portion having a high percentage of vinyl conformation. The diene polymer has substantially no mercaptan compound.

REFERENCES:
patent: 3949016 (1976-04-01), Agouri et al.
patent: 4169115 (1979-09-01), Tung et al.
patent: 4379889 (1983-04-01), Ashitaka et al.
patent: 4429085 (1984-01-01), Henderson
patent: 4501867 (1985-02-01), Ueno et al.

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