Powder paints, method for production and use thereof

Details Powder paints, method for production and use thereof Powder paints, method for production and use thereof

C - Chemistry, Metallurgy

09

D

C09D 5/03 (2006.01) C08J 3/16 (2006.01) C08J 3/205 (2006.01) C09D 125/00 (2006.01) C09D 133/00 (2006.01)

Patent

CA 2443994

Powder paints which may be produced by (1) mixing at least two components, each containing at least one liquid starting material, in a static mixer, whereupon a molecular dispersion and/or a finely dispersed fluid mixture results, (2) the fluid mixture is emulsified in an aqueous medium in a dispersion unit, whereupon an aqueous emulsion of fluid particles results, (3) the emulsion (2) is allowed to cool, such that a suspension of dimensionally- stable particles forms, (4) the dimensionally-stable particles are isolated from the suspension (3), or alternatively, (3) the dimensionally-stable particles are isolated directly from the emulsion (2). The invention further relates to the production and use thereof as coating materials, adhesives, and sealing masses or production thereof.

L'invention concerne des peintures en poudre, produites selon un procédé consistant (1) à mélanger dans un mélangeur statique au moins deux composants liquides, contenant chacun au moins un produit de départ liquide, de manière à obtenir un mélange liquide à dispersion moléculaire et/ou à dispersion fine, (2) à émulsionner ce mélange liquide (1) dans une unité de dispersion dans un milieu aqueux, de manière à obtenir une émulsion aqueuse de particules liquides, (3) à refroidir cette émulsion (2), de sorte qu'une suspension de particules à stabilité dimensionnelle se forme, et (4) à isoler ces particules à stabilité dimensionnelle de la suspension (3) ou, de manière alternative, (3) à isoler ces particules à stabilité dimensionnelle directement de l'émulsion (2). Cette invention concerne également un procédé de production desdites peintures et leur utilisation comme substances de revêtement, adhésifs et masses d'étanchéité ou dans la production de ces derniers.

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