Alkoxylated vinyl polymer demulsifiers

Details Alkoxylated vinyl polymer demulsifiers Alkoxylated vinyl polymer demulsifiers

1989-03-17

1990-11-06

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252332, 252342, 252344, 252341, B01D 1704, B01D 1705

Patent

active

049684493

ABSTRACT:
A demulsifier comprising: a vinyl polymer having a site capable of being alkoxylated; and at least one alkylene oxide selected from the group consisting of: ethylene oxide, propylene oxide, butylene oxide, and the like. For example, ethylene oxide may be present in an amount of about 1 to 40 weight percent, and/or propylene oxide may be present in an amount of about 1 to 40 weight percent. The vinyl polymer contains at least one hydrophobic monomer and at least one hydrophilic monomer, wherein the hydrophobic monomer and/or the hydrophilic monomer contain sites which are capable of being alkoxylated.

REFERENCES:
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patent: 4306981 (1981-12-01), Blair, Jr.
patent: 4502977 (1985-03-01), Buriks et al.
patent: 4582628 (1986-04-01), Buriks et al.
patent: 4626379 (1986-12-01), Buriks et al.
patent: 4678599 (1987-07-01), Fock et al.
"The Nalco Water Handbook", McGraw-Hill, Inc., 2nd Edition, pp. 11.1-11.18.

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