Process for the production of a pearl shine pigment preparation

Details Process for the production of a pearl shine pigment preparation Process for the production of a pearl shine pigment preparation

C - Chemistry, Metallurgy

09

D

C09D 17/00 (2006.01) C09C 1/00 (2006.01) C09C 3/04 (2006.01) C09D 5/36 (2006.01) C09D 11/02 (2006.01)

Patent

CA 2202231

A pearl shine pigment preparation as a pre-product for a printing ink in which pearl shine pigment is made into a paste with a binding agent and optionally with a solvent and/or additives and the paste is put into a compact particle form. For that purpose the paste is compressed to form compact particles by tabletting, briquetting, pelleting or extruding. In that compacted form the pearl shine pigment preparation can be used for the production of printing inks, in particular intaglio printing inks.

L'invention est un pigment nacré servant d'élément constitutif dans une encre d'impression. Ce pigment est contenu dans une pâte comportant un agent de liaison et, facultativement, un solvant et/ou des additifs, cette pâte étant transformée en particules compactes. € cette fin, la pâte est soumise à des opérations de compression, d'agglomération, de granulation ou d'extrusion. Sous sa forme compactée, le pigment peut être utilisé pour la production d'encres d'impression, en particulier d'encres d'héliogravure.

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