Aqueous copolymer dispersions stable in the absence of emulsifyi

Details Aqueous copolymer dispersions stable in the absence of emulsifyi Aqueous copolymer dispersions stable in the absence of emulsifyi

1974-07-01

1976-03-30

Schofer, Joseph L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 22CB, 260 276N, 260 296TA, 260 80M, C08F 216, C08F 218

Patent

active

039473996

ABSTRACT:
Monoethylenic monomers, including from about 1 to about 30% by weight of monoethylenic carboxylic acid, are placed in solution in a liquid mixture containing a low molecular weight polyhydric alcohol. This liquid mixture is dispersed in water and polymerized at an elevated polymerization temperature using agitation and in the presence of a free radical polymerization catalyst. The dispersion of polymer particles is then at least partially neutralized, preferably with ammonia or an amine to form an aqueous dispersion which is stable in the absence of emulsifying agent and which is useful in coating.

REFERENCES:
patent: 3311583 (1967-03-01), Bearden
patent: 3506601 (1970-04-01), Sekmakas
patent: 3661827 (1972-05-01), Taft
patent: 3798194 (1974-03-01), McCann et al.

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