Preparation of filler compositions for paper

Details Preparation of filler compositions for paper Preparation of filler compositions for paper

C - Chemistry, Metallurgy

04

B

6/194

C04B 14/00 (2006.01)

Patent

CA 1306084

PREPARATION OF FILLER COMPOSITIONS FOR PAPER Abstract of the Disclosure A process for forming a preflocculated filler for use in making paper, which process comprises continuously bringing together an aqueous slurry of a paper filler material and a flocculating agent and imparting to the mixture for a period of not more than about 2 minutes and preferably for less than about 30 seconds, a shearing force sufficient to provide a flocculated filler of controlled particle size and most suitable for papermaking.

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