Coating compositions containing rheology control agents

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 18/71 (2006.01) C08G 18/28 (2006.01) C08G 18/32 (2006.01) C08G 18/77 (2006.01) C09D 5/04 (2006.01) C09D 7/00 (2006.01)

Patent

CA 2594735

The present invention provides for a coating composition containing a rheology control agent having improved rheology control particularly in low VOC solvent- borne coating compositions and water-borne coating compositions useful for OEM refinishing or repainting the exterior of automobile and truck bodies and parts thereof; the rheology control agent used in the coating composition comprises the following compound represented by the following formula wherein A, B, C and D equal CH2, CHR, NH, or O, and A, B, C and D may be the same or different and at least one of A and B equals NH and at least one of C and D equals NH; and wherein R1, R2, and R3 are described in the specification.

La présente invention a trait à une composition de revêtement contenant un agent de contrôle de rhéologie ayant un contrôle de rhéologie amélioré notamment dans des compositions de revêtement à support de solvant organique volatile et des compositions de revêtement aqueux utiles pour la remise à neuf ou la remise en peinture de marché de l'équipement d'origine de l'extérieur de carrosserie de voitures automobiles et de camions et des parties de celle-ci; l'agent de contrôle de rhéologie comporte le composé de formule (I) dans laquelle: A, B, C et D représente CH2, CHR, NH, ou O, et A, B, C et D peuvent être identiques ou différents et au moins un parmi A et B représente NH et au moins un parmi C et D représente NH; et dans laquelle R1, R2, et R3 sont tels que définis dans la description.

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