Weathering-resistant pearlescent pigments

C - Chemistry – Metallurgy – 08 – K

Patent

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400/3007, 117/46

C08K 9/06 (2006.01) C09C 1/00 (2006.01) C09C 3/12 (2006.01)

Patent

CA 1218906

14 ABSTRACT Pearlescent pigments having improved weathering resistance are based on mica flakes coated with metal oxides, these pigments possessing on top of the coat of metal oxide a topcoat which contains a polysiloxane and a rare earth metal compound.

463909

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