Pearlescent pigments exhibiting color travel

Details Pearlescent pigments exhibiting color travel Pearlescent pigments exhibiting color travel

C - Chemistry, Metallurgy

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C

C09C 1/00 (2006.01) C09C 1/24 (2006.01) C09C 1/28 (2006.01) C09C 1/36 (2006.01) C09C 1/40 (2006.01) C09C 3/06 (2006.01)

Patent

CA 2368500

A metal substrate having a pearlescent pigment coating thereon in which the pearlescent pigment is an iron oxide-coated interference thickness titanium dioxide platelet and in which the iron content of the combined oxide coatings is at least 1 % exhibits color travel.

L'invention concerne un substrat métallique sur lequel on a déposé un revêtement à base de pigment iridescent se composant d'une plaquette de dioxyde de titane, laquelle possède une épaisseur à teintes de polarisation et est revêtue d'oxyde de fer. L'invention est caractérisée en ce que la teneur en fer des revêtements d'oxyde combinés est d'au moins 1 % et en ce le revêtement à base de pigment iridescent présente des couleurs changeantes.

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