Methods and compositions for treating paint spray booth water

Details Methods and compositions for treating paint spray booth water Methods and compositions for treating paint spray booth water

C - Chemistry, Metallurgy

02

F

C02F 1/56 (2006.01) B01D 21/01 (2006.01) B01F 17/00 (2006.01) C02F 1/54 (2006.01) C09D 7/00 (2006.01)

Patent

CA 2318181

Methods and compositions for detackifying and dispersing, and coagulating/flocculating and dispersing solventborne and waterborne paints, respectively, in a paint spray booth are disclosed. An aqueous composition of water soluble cationic polymer, nonionic surfactant and amphoteric surfactant is used in conjunction with a silicate compound to treat the paint spray booth waters.

L'invention porte sur des procédés et des compositions permettant de diffuser et de rendre sec au toucher des peintures à base de solvant et, de coaguler, floculer et diffuser des peintures à base d'eau et de solvant dans les cabines de peinture au pistolet. L'invention porte également sur une composition aqueuse, comprenant un polymère cationique soluble dans l'eau, un tensioactif non ionique et un tensioactif amphotère, qui est utilisée conjointement avec un composé de silicate pour traiter l'eau des cabines de peinture au pistolet.

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