Process for producing aqueous emulsions of vinyl chloride/vinyl

Details Process for producing aqueous emulsions of vinyl chloride/vinyl Process for producing aqueous emulsions of vinyl chloride/vinyl

1979-09-24

1981-11-10

Henderson, C. A.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

156327, 260 296T, 526200, 526209, 526322, 526323, 526324, 526922, C08F22228, C08F22226

Patent

active

042999413

ABSTRACT:
An improved process for producing an aqueous emulsion of a vinyl chloride/vinyl ester/ethylene copolymer having a small heat fluidity and excellent strength which comprises continuously adding a solution of a specific polybasic acid polyallyl ester in the vinyl chloride and/or vinyl ester and further at least 60% by weight of the vinyl chloride and vinyl ester to the polymerization system during the polymerization reaction. The copolymer thus produced has a large benzene-insoluble part and the aqueous emulsion thereof is stable and is useful as an adhesive, as for paint compositions, or as a binder for fibers and papers.

REFERENCES:
patent: 2934529 (1960-04-01), van Kijk
patent: 3501440 (1970-03-01), Kamio
patent: 3539488 (1970-11-01), Klopfer
patent: 3925327 (1975-12-01), Mitsushima
patent: 3979366 (1976-09-01), Schwab
patent: 4123405 (1978-10-01), Oyamada
patent: 4128518 (1978-12-01), Oyamada

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