C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 5/36 (2006.01) C09K 19/00 (2006.01)
Patent
CA 2189236
Coating compositions are disclosed, suitable for use as base paints for multiple layer coatings, whose perceived colour depends on the angle from which they are viewed. They contain: one or more binders usually used in such coatings; one or more scale-type pigments the hue of which depends on the angle from which they are viewed, these pigments consisting of oriented, three-dimensionally cross-linked substances of chiral phase, liquid crystalline structure; one or more usual effect pigments which differ from the said scale-type pigments; optionally one or more cross-linking agents; optionally one or more colour-imparting absorption pigments and/or fillers; and optionally additives usually used in coatings of this type.
L'invention concerne des compositions de peinture, pouvant être utilisées comme peintures de base pour des revêtements multicouches, dont la couleur perçue dépend de l'angle d'observation. Lesdites compositions contiennent: un ou plusieurs liants utilisés habituellement dans de telles peintures; un ou plusieurs pigments sous forme de paillettes dont la teinte dépend de l'angle d'observation, ces pigments étant constitués de substances réticulées en trois dimensions, orientées, à structure de cristal liquide et de phase chirale; un ou plusieurs pigments d'effet habituels qui diffèrent desdits pigments en paillettes; éventuellement un ou plusieurs agents de réticulation; éventuellement un ou plusieurs pigments d'absorption colorants et/ou des charges; et éventuellement des additifs utilisés habituellement dans des revêtements de ce type.
Dobert Jurgen
Oppermann Manfred
Prescher Michael
Richter Gunter
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sicpa Holding Sa
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