Process for preparing a paper web

Details Process for preparing a paper web Process for preparing a paper web

D - Textiles, Paper

21

H

D21H 17/69 (2006.01) D21F 13/00 (2006.01) D21H 23/04 (2006.01) D21H 11/08 (2006.01) D21H 11/14 (2006.01) D21H 21/10 (2006.01)

Patent

CA 2282211

Disclosed is a process for preparing a paper web. The paper web is prepared from a low-grade furnish, which contains low-grade pulps, such as recycled pulp and/or groundwood pulp, and which, in the preferred embodiment, is a newsprint furnish. In accordance with the disclosed process, a pre-flocculated filler is added to the furnish prior to forming the paper web from the furnish. Filler will be retained in the web; and retention of undesired components of the furnish in the web will be reduced as compared with newsprint in which a filler is incorporated via conventional processes. The paper web formed via the process of the invention will have improved properties as a result of the incorporation of the pre-flocculated filler into the web.

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