Process for washing paint overspray from air

Details Process for washing paint overspray from air Process for washing paint overspray from air

1971-08-12

1976-10-12

Lovering, Richard D.

Coating processes

With post-treatment of coating or coating material

Coating material recirculation or regeneration

106287PR, 134 38, 252180, 252352, 252546, 252DIG8, 252DIG11, 427421, 427445, B05D 140, B05D 312

Patent

active

039859223

ABSTRACT:
Disclosed are compositions useful as deflocculants in recirculated aqueous systems utilized in the removal of paint sprays from air. These compositions comprise (a) a first component selected from water soluble salts of polyaminopolycarboxylic acids; water soluble salts of nitrilotriacetic acid; and mixtures thereof; (b) a second component selected from triethanolamine; water soluble salts of oxalic acid, tartaric acid, citric acid; gluconic acid and glucoheptonic acid; and mixtures thereof; and (c) a third component selected from sodium hydroxide, potassium hydroxide and mixtures thereof. Water systems containing small amounts of these compositions have a capacity of dissolving and dispersing large quantities of paint wastes.

REFERENCES:
patent: 1676642 (1928-07-01), Fluegel
patent: 2544649 (1951-03-01), Bersworth
patent: 2741599 (1956-04-01), McDonald et al.
patent: 3116105 (1963-12-01), Kerst
patent: 3308065 (1967-03-01), Lesinski
patent: 3660297 (1972-05-01), McCammon

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