Surfactant additive for hec emulsion

Details Surfactant additive for hec emulsion Surfactant additive for hec emulsion

1991-04-30

1992-03-24

Hart, Charles

Gas separation

Means within gas stream for conducting concentrate to collector

55 85, 55DIG46, 210712, 454 54, B01D 4700

Patent

active

050984500

ABSTRACT:
A method for detackifying oversprayed paint solids in a paint spray booth utilizes an oil-in-water emulsion as the hydrophilic fluid for capturing and detackifying oversprayed paint, which emulsion contains a certain nonionic surfactant, which surfactant greatly improves detackification performance when the paint formulation being sprayed is a low VOC formulation, and particularly a two-component formulation. The nonionic surfactant is an ethoxylated C.sub.8-10 alkyl phenol having an HLB value of from about 4.5 to 15.5.

REFERENCES:
patent: 4378235 (1983-03-01), Cosper et al.
patent: 4563199 (1986-01-01), Lindenberger et al.
patent: 4750919 (1988-06-01), Patzelt et al.
patent: 4919691 (1990-04-01), Patzelt et al.
patent: 4959147 (1990-09-01), Huang et al.
"Paint Spray Booth Sludge Handling", Shu-Jen W. Huang, presentation at SME Automation of Paint Lines, Apr. 28-30, 1987, Chicago, Ill.

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