Grinding method

Details Grinding method Grinding method

C - Chemistry, Metallurgy

09

C

C09C 3/00 (2006.01) C01F 11/18 (2006.01) C04B 35/63 (2006.01) C04B 35/634 (2006.01) C08K 3/26 (2006.01) C08K 3/34 (2006.01) C09C 1/02 (2006.01) C09C 1/42 (2006.01) C09C 3/04 (2006.01) C09D 5/34 (2006.01) C09D 7/12 (2006.01) C09D 17/00 (2006.01) D21H 17/67 (2006.01) D21H 17/69 (2006.01) D21H 19/38 (2006.01) D21H 19/44 (2006.01)

Patent

CA 2494195

The invention provides a method of grinding an inorganic particulate material such as calcium carbonate or kaolin in an aqueous suspension, preferably at a solids level below about 50% by weight, wherein the aqueous suspension includes a sub-effective amount of a dispersing agent for the inorganic particulate material.

L'invention concerne un procédé de broyage de matériau particulaire inorganique du type carbonate de calcium ou kaolin dans une suspension aqueuse, de préférence selon une teneur en matières solides inférieure à environ 50 %, en poids, ladite suspension renfermant une quantité subefficace d'agent dispersant pour le matériau particulaire inorganique.

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