Metal pigments comprising a cross-linkable binding agent...

Details Metal pigments comprising a cross-linkable binding agent... Metal pigments comprising a cross-linkable binding agent...

C - Chemistry, Metallurgy

09

C

C09C 1/62 (2006.01) C09C 1/00 (2006.01) C09C 1/64 (2006.01) C09D 5/03 (2006.01) C09D 5/36 (2006.01)

Patent

CA 2550612

The invention relates to metal pigments comprising a coating. The coating surrounds the metal pigments and comprises cross-linkable oligomer and/or polymer binding agent(s) which are chemically cross-linkable and/or active under the influence of heat, IR radiation, UV radiation and/or electron radiation. The coated metal pigments are embodied in the form of powder, which has a particle size d50 of less than 190 ~m, and are resistant to corrosion after hardening in a coating powder. The invention further relates to a coating composition, to a method for the production of the coated metal pigments, in addition to the use thereof.

Pigments métalliques pourvus d'un revêtement qui enveloppe lesdits pigments métalliques et qui contient un ou plusieurs liants oligomères et / ou polymères réticulables chimiquement et / ou sous l'effet de la chaleur, de rayons IF, de rayons UV et / ou de rayons électroniques. Lesdits pigments métalliques se présentent sous forme de poudre à grosseur des grains d¿50? inférieure à 190 ?m et sont résistants à la corrosion après durcissement dans une peinture en poudre. La présente invention concerne en outre une composition de revêtement, un procédé de fabrication desdits pigments métalliques à revêtement et l'utilisation de ces pigments.

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