Pigments

Details Pigments Pigments

C - Chemistry, Metallurgy

09

C

C09C 1/30 (2006.01) B44C 1/04 (2006.01) B44F 1/14 (2006.01) B44F 9/00 (2006.01) B44F 9/08 (2006.01) C08K 7/18 (2006.01) C09C 3/12 (2006.01) C09D 5/03 (2006.01) C09D 5/36 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2408990

The invention relates to particles having an opalescent effect. The size of said particles ranges from 5 µm to 5000 µm. The particles consist of monodisperse globules having a diameter of 50 nm - 2 µm, the standard deviation being less than 5 % in a regularly arranged, three-dimensional densely packed structure according to domain. Said structure is mechanically stabilized by physical or chemical modification.

L'invention concerne des particules à effet opalescent qui ont une granulométrie comprise entre 5 µm et 5000 µm et sont constituées de billes monodispersées d'un diamètre compris entre 50 nm et 2 µm pour un écart-type inférieur à 5 % dans une structure tridimensionnelle selon le domaine, très tassée et de répartition uniforme. Cette structure est mécaniquement stabilisée par une modification physique ou chimique.

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