Process for producing chloroprene elastomer

Details Process for producing chloroprene elastomer Process for producing chloroprene elastomer

1975-05-02

1976-10-26

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526224, 526294, C08F23604

Patent

active

039885062

ABSTRACT:
A process for producing a chloroprene elastomer, which comprises copolymerizing in the presence of a radical catalyst 80 to 95 parts by weight of 2-chlorobutadiene-1,3 containing less than 0.95% by weight of 1-chlorobutadiene-1,3 with 5 to 20 parts by weight of 2,3-dichlorobutadiene-1,3 at a polymerization temperature of not higher than 20.degree. C in the presence of a mercaptan compound and a process for producing a vulcanized chloroprene rubber.

REFERENCES:
patent: 3078247 (1963-02-01), Sinn et al.
patent: 3308087 (1967-03-01), Garrett
patent: 3310546 (1967-03-01), Becker
patent: 3311601 (1967-03-01), Conley
patent: 3833549 (1974-09-01), Fogg
Chem Abs. vol. 75 1971; 65098f Copolymers of Chloroprene Izawa et al.

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