CELLULOSE PRODUCT AND A METHOD FOR PREPARATION THEREOF Russian patent published in 2007 - IPC D21H11/00 D21H17/44 D21H17/68 D21H21/10 D21H21/16 C08L1/02 

Abstract RU 2300597 C2

FIELD: paper-and-pulp industry.

SUBSTANCE: cellulose product contains clay having stacking of atomic planes 2R2. Product represents paper of fibrous pulp, while clay has cationic nature. Preparation of product comprises: providing aqueous suspension containing cellulose fibers and optionally filler; adding clay having stacking of atomic planes 2R2.to suspension; and dehydrating thus prepared suspension. Another method of preparing cellulose product comprises: providing aqueous suspension containing cellulose fibers and optionally filler; adding cationic clay to suspension; adding one or several draining auxiliary substances enhancing retention of filler and containing at least one cationic polymer; and dehydrating thus prepared suspension.

EFFECT: reduced interfering and harmful substance in cellulose suspension and enhanced retention of filler, dehydrating agents, and sizing agents.

27 cl, 14 tbl, 13 ex

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RU 2 300 597 C2

Authors

Tokarz Marek

Nil'Sson Jerker

Dates

2007-06-10Published

2003-11-07Filed