High surface area aggregated pigments

Details High surface area aggregated pigments High surface area aggregated pigments

C - Chemistry, Metallurgy

09

C

C09C 1/00 (2006.01) B02C 21/00 (2006.01) C09C 1/02 (2006.01) C09C 1/42 (2006.01) C09C 3/00 (2006.01) C09C 3/04 (2006.01)

Patent

CA 2453936

Aggregated mineral pigments (such as kaolin clay pigments) having a high surface area and useful in coating and filling compositions for ink jet printing media are manufactured by dry grinding an unground mineral composition starting material and then optionally acid treating the ground material.

L'invention concerne des pigments minéraux agrégés (tels que des pigments de kaolinton) possédant une surface importante et utiles dans l'enduction et la charge de préparations pour milieux d'impression à jet d'encre. Les dits pigments sont fabriqués par broyage à sec d'un matériau de départ se présentant sous la forme d'une préparation minérale non broyée et éventuellement par traitement à l'acide du matériau broyé.

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