C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 7/14 (2006.01) C08G 18/08 (2006.01) C09D 5/02 (2006.01)
Patent
CA 2107351
The present invention relates to a mixer system for the preparation of water-thinnable coating compositions with accurately defined colors, produced from various base colorants, characterized in that the mixer system comprises A) various base colorants A which contain less than 5% by weight of water, at least one colored and/or special effect pigment, an organic solvent, at least one water-thinnable or water-dispersible binder and, optionally, auxiliary substances and additives, and B) at least one water-containing, pigment-free component B. In addition, the present invention relates to a process for the production of coating compositions using this mixer system and to the use of the mixer system for the production of waterborne paints for coating automobile bodies and/or plastic components, especially for automobile refinishing.
Système de mélange pour la préparation de compositions de revêtement diluables à l'eau, de couleurs clairement définies et produites au moyen de divers colorants de base. Ce système comprend : a) divers colorants de base (A) contenant moins de 5 % en poids d'eau, au moins un pigment de couleur et/ou à effet spécial, un solvant organique, au moins un liant diluable à l'eau ou hydrodispersable et, au choix, des substances auxiliaires et des additifs; b) au moins un composant (B) sans pigment et contenant de l'eau. La présente invention comporte, en outre, un processus de production de compositions de revêtement à l'aide de ce système de mélange, ainsi que l'utilisation de ce même système en vue de fabriquer des peintures en phase aqueuse pour recouvrir des carrosseries d'automobile et/ou des composants en plastique, particulièrement pour la finition des automobiles.
Mayer Bernd
Piontek Susanne
Wegner Egon
Basf Lacke + Farben Aktiengesellschaft
Fetherstonhaugh & Co.
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