Filler for use in paper manufacture and procedure for...

Details Filler for use in paper manufacture and procedure for... Filler for use in paper manufacture and procedure for...

D - Textiles, Paper

21

H

D21H 17/67 (2006.01) C09C 1/02 (2006.01)

Patent

CA 2223955

The invention relates to a filler used in paper manufacture and mainly consisting of calcium carbonate, and to a procedure for producing the filler. The filler consists of porous aggregates formed by precipitated calcium carbonate particles. In the procedure, calcium carbonate is precipitated.

L'invention concerne une charge utile pour la fabrication du papier, constituée essentiellement de carbonate de calcium, ainsi qu'un procédé pour produire cette charge. La charge consiste en agrégats poreux constitués par des particules de carbonate de calcium. Dans le procédé, le carbonate de calcium est soumis à une précipitation.

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