Process for the polymerization of chloroprene

Details Process for the polymerization of chloroprene Process for the polymerization of chloroprene

1983-12-07

1987-11-03

Henderson, Christopher

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526295, C08F 222

Patent

active

047044411

ABSTRACT:
Polychloroprene, optionally modified with sulphur, is obtained having improved properties and light in color if, in the course of polymerization, from 1.5.times.10.sup.-2 to 4.times.10.sup.-4 mol of a tetraalkyl thiuramic disulphide per 100 g of monomer are added when from 56 to 74% of the monomer has been converted, and polymerization is then continued for a further conversion of from 3 to 10%.

REFERENCES:
patent: 3397173 (1968-08-01), Collette et al.
patent: 4101481 (1978-07-01), Branlard
patent: 4255539 (1981-03-01), Branlard
patent: 4339372 (1982-07-01), Branlard

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