C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 1/62 (2006.01) C09C 1/66 (2006.01) C09C 3/00 (2006.01) C09C 3/08 (2006.01)
Patent
CA 2588569
The invention concerns a metal pigment composition, and a method for preparing same. The composition consists of metal particles (Pf) and a liquid, the liquid being a fatty acid ester R'-COOR, wherein R' is a saturated or unsaturated aliphatic group having 9 to 20 carbon atoms, and R is an alkyl having 1 to 8 carbon atoms. The composition is obtained by a method which consists in introducing the starting particles of metal (Pi) into a carrier liquid and in subjecting the resulting mixture to grinding, said liquid carrier being said fatty acid ester. The invention is useful for preparing paints, inks, plastic materials, cosmetic compositions.
La présente invention concerne une composition de pigments métalliques, et un procédé pour leur préparation. La composition est constituée par des particules métalliques Pf et un liquide, le liquide étant un ester d'un acide gras R'-COOR dans lequel R' est un groupe aliphatique saturé ou insaturé ayant de 9 à 20 atomes de carbone, et R est un alkyle ayant de 1 à 8 atomes de carbone. Elle est obtenue par un procédé qui consiste à introduire des particules initiales du métal (Pi) dans un liquide support et à soumettre le mélange ainsi obtenu à un broyage, ledit liquide support étant ledit ester d'acide gras. Utilisations : élaboration de peintures, d'encres, de matières plastiques, de compositions cosmétiques.
Robic
Toyal Europe
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