Process for producing aqueous dispersion of ethylene-vinyl aceta

Details Process for producing aqueous dispersion of ethylene-vinyl aceta Process for producing aqueous dispersion of ethylene-vinyl aceta

1976-10-27

1978-06-13

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296MM, 260 296R, 526208, C08L 3100

Patent

active

040948498

ABSTRACT:
A process for producing an aqueous dispersion of ethylene-vinyl acetate copolymer containing no formalin by emulsion-polymerizng ethylene and vinyl acetate and optionally other copolymerizable vinyl monomers in the presence of a redox catalyst consisting of an oxidizing agent and a reducing agent, which is characterized in that a reaction product of a glyoxal compound and an alkali metal, ammonium or zinc salt of a reductive sulfur oxide is used as the reducing agent for the redox catalyst, in which process the polymerization temperature is easily controlled.

REFERENCES:
patent: 3714099 (1973-01-01), Biale
patent: 3746671 (1973-07-01), Zima et al.
patent: 3770679 (1973-11-01), Corey et al.
patent: 3816362 (1974-06-01), Tsuchihara et al.
patent: 3844990 (1974-10-01), Lindemann et al.
patent: 3864297 (1975-02-01), Hornbaker et al.

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