Pre-treatment of filler with cationic ketene dimer

Details Pre-treatment of filler with cationic ketene dimer Pre-treatment of filler with cationic ketene dimer

C - Chemistry, Metallurgy

08

L

400/1000, 6/194,

C08L 99/00 (2006.01) C08K 5/06 (2006.01) C08L 3/02 (2006.01) C08L 101/00 (2006.01) C09C 3/00 (2006.01) D21H 17/06 (2006.01) D21H 17/08 (2006.01) D21H 17/14 (2006.01) D21H 17/16 (2006.01) D21H 17/17 (2006.01) D21H 17/69 (2006.01) D21H 21/16 (2006.01)

Patent

CA 2040089

Abstract of the Disclosure A filler for paper or paperboard comprising an inorganic pigment and a cellulose-reactive size, a process for preparing the filler in which the inorganic pigment dispersed in water is treated with a dispersion of the cellulose-reactive size before the filler is added to the dispersion of cellulose fibers in a paper machine, and the use of the treated filler in a process for the manufacture of paper and paperboard in order to maintain the capability of the cellulose fiber and filler mixture to receive sizing independently of the level of filler addition.

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