Chemicals for termination of polyvinylchloride polymerizations

Details Chemicals for termination of polyvinylchloride polymerizations Chemicals for termination of polyvinylchloride polymerizations

1979-08-22

1981-08-11

Kight, III, John

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

260 4595H, 568790, 568792, 568793, 568804, C08F 242, C08K 513

Patent

active

042835143

ABSTRACT:
Butylation of a mixture of xylenols and trimethylphenols gives a product which is suitable for use as a stabilizer for polyvinyl chloride. The material can be added to the reactor during polymerization as a shortstopper and retain effectiveness as a stabilizer in the finished polymer.

REFERENCES:
patent: 2514363 (1950-07-01), Banes et al.
patent: 3985721 (1976-10-01), Petit
patent: 3989665 (1976-11-01), Hollingshead
patent: 4059563 (1977-11-01), Goto et al.

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