C - Chemistry – Metallurgy – 09 – C
Patent
C - Chemistry, Metallurgy
09
C
C09C 3/00 (2006.01) C08K 9/02 (2006.01) C09C 1/00 (2006.01) C09C 1/24 (2006.01) C09C 1/46 (2006.01) C09C 1/62 (2006.01) C09C 1/64 (2006.01) C09C 1/66 (2006.01) C09D 5/33 (2006.01) C09D 5/36 (2006.01)
Patent
CA 2203585
The invention relates to coloured luster pigments consisting of a transparent or metallic reflecting core, of a coating consisting of at least one silicon oxide of the composition SiO0.25 to SiO0.95 and of further optional coatings, to coating processes by coating metallic silicon in the presence of oxygen, if required with changing its partial pressure, as well as to the use of these luster pigments for pigmenting plastic materials, paints and printing inks, and to pigmented compositions comprising these luster pigments.
L'invention porte sur des pigments brillants colorés constitués d'un centre transparent ou à reflet métallique, d'un revêtement constitué d'au moins un oxyde de silicium de composition SiO0,25 à SiO0,95 et d'autres revêtements facultatifs, sur les procédés de revêtement par enrobage de silicium métallique en présence d'oxygène, au besoin en changeant sa pression partielle, ainsi que sur l'utilisation de ces pigments brillants pour pigmenter des matières plastiques, des peintures et des encres d'imprimerie, et sur des compositions pigmentées contenant ces pigments brillants.
Bonnard Natacha
Bujard Patrice
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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