Method for the concentration of water-in-oil emulsions of water

Details Method for the concentration of water-in-oil emulsions of water Method for the concentration of water-in-oil emulsions of water

1976-03-12

1977-05-03

Anderson, Harold D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296HN, 260 296WQ, 260 296MH, 260 296PT, C08L 3302, C08L 3326, C08L 5712

Patent

active

040213994

ABSTRACT:
A method for the concentration of water-in-oil emulsions of water soluble vinyl addition polymers is disclosed. The process involves distilling the water-in-oil emulsion of the water soluble vinyl addition polymer under a vacuum while maintaining the water-oil phase ratio substantially equal to the starting latex. Maintaining this ratio allows latices of this type to be concentrated to as high as 70% by weight polymer.

REFERENCES:
patent: 3284393 (1966-11-01), Vanderhoff et al.
patent: 3624019 (1971-11-01), Anderson et al.
patent: 3734873 (1973-05-01), Anderson et al.
patent: 3790476 (1974-02-01), Spoerle et al.
patent: 3790477 (1974-02-01), Nielsen et al.
patent: 3826771 (1974-07-01), Anderson et al.
patent: 3867321 (1975-02-01), Riew

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