Chlorination of polyolefins in the presence of complex formers

Details Chlorination of polyolefins in the presence of complex formers Chlorination of polyolefins in the presence of complex formers

1978-02-27

1979-08-21

Hamrock, William F.

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

Synthetic resins

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

C08F 820, C08F 822

Patent

active

041654315

ABSTRACT:
A chlorinated colorless polyolefin, preferably a chlorinated colorless isotactic polypropylene, soluble in carbon tetrachloride and having a chlorine content of from 60% to 70% by weight and an average degree of polymerization of from 2000 to 6000, produced by chlorinating polyolefins having a degree of polymerization of from 2000 to 20,000 in suspension or solution or in suspension and solution at 40 to 60.degree. C. in the presence of a halogen transfer agent, a chlorination catalyst and from 0.2 to 0.5% by weight, based on polyolefin, of at least one compound corresponding to the general Formula (I):

REFERENCES:
patent: 2844635 (1958-07-01), Mayor
patent: 2849431 (1958-08-01), Baxter
patent: 3092612 (1963-06-01), Makowski
patent: 3192188 (1965-06-01), Orthner et al.
patent: 3567610 (1971-03-01), Krol et al.
patent: 3703473 (1972-11-01), Lasco

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