C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/00 (2006.01) C09D 5/36 (2006.01) C09D 5/38 (2006.01)
Patent
CA 2174547
A coating composition is described comprising a polymer resin binder and optically variable thin film pigment flakes. The pigment flakes have a multilayer thin film interference structure comprising a metal reflector layer having first and second parallel planar surfaces and, disposed on at least one of said first and second planar surfaces, at least one transparent dielectric layer. The coating composition further comprises a metallic pigment of the same color as the metal in the metal reflector layer of the multilayer thin film interference structure. This coating composition can be used to prepare a variety of coatings, especially color-plus-clear composite coatings such as those used in the automotive industry.
Composition pour revêtements comprenant une résine polymérique comme liant et des pigments en flocons optiquement variables a couches minces. Les pigments en flocons présentent une structure interférentielle de plusieurs couches minces dont une couche métallique réflectrice à deux surfaces planes dont l'une au moins est revêtue d'une couche de diélectrique transparent. Ladite composition comprend, de plus, un pigment métallique de la même couleur que le métal de la couche réflectrice métallique de la structure interférentielle multicouche.. Cette composition peut servir à préparer divers revêtements notamment ceux du type couleur + transparence utilisés dans l'industrie automobile.
Basf Corporation
Robic
LandOfFree
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