C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 19/00 (2006.01) C08L 101/12 (2006.01) C09B 67/00 (2006.01) C09D 5/36 (2006.01) C09K 19/38 (2006.01)
Patent
CA 2269321
The invention relates to colorant compositions consisting substantially of one or more cholesteric liquid crystal polymers and at least one colorant absorbing a light in the visible wave range. Organic and inorganic pigments or dyes could be possibly used as colorants. Coatings with said colorant compositions are characterized by coloristic effects depending on the angle of view, which cannot be achieved with absorption pigments alone or with cLCP effect coatings.
L'invention concerne des compositions de matières colorantes comprenant essentiellement au moins un polymère à cristaux liquides cholestériques (cLCP) et au moins une matière colorante absorbant la lumière dans la gamme des ondes visibles. On prend en considération comme colorant, des pigments ou colorants organiques ou inorganiques. Des revêtements contenant de telles compositions de matières colorantes se caractérisent par leurs effets coloristiques fonction de l'angle de vue, impossibles à obtenir avec simplement des pigments d'absorption ou avec des revêtements à effet cLCP.
Dewald Bernd
Dietz Erwin
Schoenfeld Axel
Clariant Gmbh
Fetherstonhaugh & Co.
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