Process for the preparation of a pigment composition

Details Process for the preparation of a pigment composition Process for the preparation of a pigment composition

C - Chemistry, Metallurgy

09

B

C09B 67/04 (2006.01) C08J 3/20 (2006.01) C09B 48/00 (2006.01) C09B 57/00 (2006.01) C09C 1/28 (2006.01) C09C 3/04 (2006.01) C09D 7/14 (2006.01)

Patent

CA 2223113

The present invention relates to a process for preparing a pigment composition whereby a mixture of an organic pigment and an inorganic filler is subjected to an air jet milling step. The inventive process is an environmentally friendly process which yields pigments having outstanding dispersibility and wetting characteristics when incorporated in plastics, aqueous or solvent based coatings and inks.

L'invention porte sur une méthode pour préparer une composition pigmentaire, où un mélange d'un pigment organique et d'une charge minérale est soumis à un broyage par jet d'air. L'invention divulgue un procédé écologique, qui donne des pigments possédant des caractéristiques de dispersibilité et de mouillage hors-pair lorsqu'ils sont incorporés dans des revêtements et des encres, à base de matières plastiques, d'eau ou de solvants.

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