Dispersible copolymer powder

Details Dispersible copolymer powder Dispersible copolymer powder

1973-05-02

1976-04-13

Levin, Stanford M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296TA, 260 8073, 260 857, 260 96R, C08F 610, C08F21804, C08F21808, C08F21810

Patent

active

039503020

ABSTRACT:
A dispersible copolymer powder comprising vinyl ester, an acrylamide and optionally ethylene units is obtained by carying out the copolymerization reaction in an emulsifier-free aqueous medium and drying the emulsifier free aqueous dispersion of the copolymer in the absence of anti-caking agents. The copolymer powder has a very good storage stability and can be easily redispersed in water to give a dispersion having a high binder content.

REFERENCES:
patent: 3104234 (1963-09-01), Bray
patent: 3365409 (1968-01-01), Lanthier
patent: 3380851 (1968-04-01), Lindemann et al.
patent: 3463751 (1969-08-01), Hasegawa et al.
patent: 3577376 (1971-05-01), Lanthier et al.
patent: 3714099 (1973-01-01), Biale
patent: 3725124 (1973-04-01), Gorton
patent: 3753958 (1973-08-01), Wingler et al.
patent: 3828012 (1964-08-01), Arndt et al.

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