D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 23/04 (2006.01) D21H 17/24 (2006.01) D21H 21/10 (2006.01) D21H 21/18 (2006.01) D21H 23/08 (2006.01) D21H 11/14 (2006.01) D21H 17/01 (2006.01) D21H 17/28 (2006.01) D21H 17/32 (2006.01) D21H 17/37 (2006.01) D21H 17/45 (2006.01) D21H 17/68 (2006.01) D21H 23/10 (2006.01)
Patent
CA 2329027
The invention relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, which comprises adding to the suspension a drainage and retention aid comprising a cationic or amphoteric polysaccharide, forming and dewatering the suspension on a wire, wherein the cationic poylsaccharide has a hydrophobic group. The invention further relates to a process for the production of paper from a suspension containing cellulosic fibres, and optional fillers, which comprises adding to the suspension a dry strength agent comprising a cationic or amphoteric polysaccharide, forming and dewatering the suspension on a wire, wherein the polysaccharide has a hydrophobic group.
L'invention concerne un procédé de production de papier à partir d'une suspension contenant des fibres cellulosiques, et d'éventuelles charges. Ce procédé consiste à ajouter à la suspension un auxiliaire de drainage et de rétention contenant un polysaccharide cationique ou amphotérique, à former et à déshydrater la suspension sur un fil. Le polysaccharide cationique a un groupe hydrophobe. L'invention concerne également un procédé de production de papier à partir d'une suspension contenant des fibres cellulosiques, et éventuellement des charges. Ce procédé consiste à ajouter à la suspension un agent de résistance sec contenant un polysaccharide cationique ou amphotérique, à former et à déshydrater la suspension sur un fil. Le polysaccharide contient un groupe hydrophobe.
Carlen Joakim
Hallstrom Hans
Persson Michael
Akzo Nobel N.v.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
LandOfFree
A process for the production of paper does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with A process for the production of paper, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A process for the production of paper will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1676829