Universal paint solvent

C - Chemistry – Metallurgy – 23 – G

Patent

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Details

C23G 5/02 (2006.01) B08B 3/04 (2006.01) C09D 7/00 (2006.01) C09D 9/00 (2006.01) C23G 5/024 (2006.01) C23G 5/032 (2006.01) C23G 5/036 (2006.01)

Patent

CA 2418321

A universal paint solvent comprises, on a weight bais, 1-30% of an acidic material selected from the group consisting of sulfonic acids, phosphonic acids, phosphoric acids, and combinations thereof; together with 10-80% of an organic solvent selected from the group consisting of alcohols, ethers, ketones, aldehydes, esters, and combinations thereof. In particular compositions, the acidic component is comprised of a mixture of two different acids. Alkyl esters, particularly acetate esters, are preferred organic solvents. Butyl acetate is a specifically preferred solvent. The compositions solvate a large variety of different paint formulations, and are effective at room temperature. The compositions have particular utility for cleaning paint delivery systems and equipment.

L'invention concerne un solvant universel pour peinture, comprenant, en poids, 1-30 % d'une matière acide, sélectionnée parmi les acides sulfoniques, les acides phosphoniques, les acides phosphoriques et les combinaisons de ces acides, et 10-80 % d'un solvant organique, sélectionné parmi les alcools, les éthers, les cétones, les aldéhydes, les esters et les combinaisons de ces substances. Dans des compositions particulières, le composant acide est un mélange de deux acides différents. Les esters d'alkyle, en particulier les esters d'acétate, sont des solvants organiques préférés. L'acétate de butyle est un solvant spécifiquement préféré. Ces compositions peuvent dissoudre une grande variété de formulations de peinture différentes et agissent à température ambiante. Ces compositions sont particulièrement utiles pour nettoyer des systèmes et des équipements de distribution de peinture.

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