Coating substances that are free of covering pigments,...

C - Chemistry – Metallurgy – 09 – D

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C09D 7/12 (2006.01)

Patent

CA 2526207

The invention relates to coating substances that are free of covering pigments, contain solvents, and can be hardened thermally or by actinic radiation, said substances also containing: (A) at least one constituent selected from the group consisting of low-molecular, oligomer and polymer binding agents, cross-linking agents and reactive diluents that can be hardened thermally and by means of actinic radiation; and (B) between 0.01 and 4 wt. %, in relation to the coating substance, of dispersed, synthetic polyamide wax particles. The invention also relates to a method for producing said substances and to the use thereof for producing single-layer and multi- layer varnish, and chromophore and/or effect-generating multilayer paint, or as adhesives and sealing materials.

L'invention concerne des matériaux de revêtement exempts de pigments couvrants, contenant des solvants, thermodurcissables et/ou durcissables par un rayonnement actinique. Ces matériaux contiennent: (A) au moins un composant sélectionné dans le groupe constitué d'oligomères et polymères à faible poids moléculaire, des liants thermodurcissables et durcissables par un rayonnement actinique, des agents de réticulation et des diluants réactifs ; et (B) 0,01 à 4 % en poids, par rapport à la matière de revêtement, de particules de polyamide-cire synthétiques en dispersion . L'invention concerne également leur procédé de production et leur utilisation pour la production de vernis clair monocouche et multicouche et de peintures multicouches chromophore et/ou à effet ou comme colles et masses d'étanchéité.

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