High-chroma orange pearl pigment

Details High-chroma orange pearl pigment High-chroma orange pearl pigment

C - Chemistry, Metallurgy

09

C

C09C 1/24 (2006.01) C08K 9/02 (2006.01) C09C 1/00 (2006.01) C09C 3/00 (2006.01) C09D 5/36 (2006.01) C09D 7/12 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2254971

Object: the development of a highly safe high-chroma orange pearl pigment replacing a cadmium pigment. Solution: a novel high-chroma orange pearl pigment in which a flaky substrate has surfaces coated with spherical metal oxide particles containing iron oxide, or spherical metal oxide particles obtained by adding thereto a specific proportion of one or more oxides selected from among aluminum, calcium and magnesium oxides, and a process for manufacturing the same, and uses thereof.

L'invention concerne une nouvelle nacre artificielle orange, à forte saturation des couleurs. Dans ce nouveau produit, un substrat à écailles présente des surfaces recouvertes de particules d'oxyde métallique sphériques contenant de l'oxyde de fer, ou des particules d'oxyde métallique sphériques obtenues en ajoutant à ces dernières une proportion spécifique de un ou plusieurs oxydes sélectionnés parmi des oxydes d'aluminium, de calcium et de magnésium. L'invention traite aussi d'un procédé de fabrication et d'utilisation de ce nouveau produit.

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