Mercaptan chain transfer agent compositions useful in aqueous po

Details Mercaptan chain transfer agent compositions useful in aqueous po Mercaptan chain transfer agent compositions useful in aqueous po

1990-04-16

1992-05-12

Henderson, Christopher

Compositions

Compositions containing a single chemical reactant or plural...

Inorganic reactant other than sulfur containing

5263442, C09K 300

Patent

active

051125226

ABSTRACT:
Copolymers of vinyl or vinylidene halides and vinyl esters of fatty acids having low molecular weights, good particle characteristics, and improved melt flow are made by aqueous polymerization utilizing an effective amount of a mercaptan as a chain transfer agent, wherein the chain transfer agent is admixed with the vinyl esters to form a chain transfer composition, and the composition be added before the start of the polymerization.

REFERENCES:
patent: 4013824 (1977-03-01), Uraneck
patent: 4189552 (1980-02-01), Kuwata

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