Process for producing stable emulsion of polymer

Details Process for producing stable emulsion of polymer Process for producing stable emulsion of polymer

1976-10-01

1978-05-30

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296SQ, 260 297NQ, 260 297UP, 260 296RW, 260 296WB, 260 296Z, 260 297W, 260 297SQ, C08L 3302

Patent

active

040922871

ABSTRACT:
Process for the production of a stable polymer emulsion by polymerizing a radical-polymerizable monomer having an unsaturated bond in the presence of a water-soluble polymer containing monomer units consisting essentially of an ethylenically unsaturated carboxylic acid or salts thereof, and an ethylenically unsaturated sulfonic acid or a salt thereof and an anionic surface active agent. This polymerization takes place in an aqueous medium at a pH not higher than 4 in the presence of a water-soluble catalyst. The polymer emulsion of the present invention is much more stable chemically and mechanically than conventional polymer emulsions and the polymers produced by applicants' process have an extremely small particle size making the emulsions immediately suitable for a variety of purposes.

REFERENCES:
patent: 3959205 (1976-05-01), Kobayashi et al.
patent: 3969297 (1976-07-01), Teer et al.
patent: 3996181 (1976-12-01), Hayashi et al.
patent: 4001163 (1977-01-01), Matner et al.
patent: 4009138 (1977-02-01), Kobashi et al.
patent: 4009140 (1977-02-01), Teer et al.
patent: 4049604 (1977-09-01), Morehouse, Jr. et al.

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