D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 21/16 (2006.01) B01J 13/00 (2006.01) C08L 101/00 (2006.01) C08L 101/16 (2006.01) D21H 17/16 (2006.01) D21H 17/17 (2006.01)
Patent
CA 2280094
The invention relates to an aqueous dispersion containing a dispersant and a disperse phase containing a hydrophobic material, the dispersant comprising an anionic compound having a molecular weight less than 50,000 and being selected from carbon-containing compounds and silicon-containing compounds, and a cationic organic compound having a molecular weight less than 50,000. The invention further relates to the preparation and use of the dispersion in the production of paper. The invention also relates to a substantially water-free composition containing a hydrophobic material, an anionic compound having a molecular weight less than 50,000 and being selected from carbon-containing compounds and silicon-containing compounds, and a cationic organic compound having a molecular weight less than 50,000, as well as its use in the preparation of an aqueous dispersion.
L'invention concerne une dispersion aqueuse qui contient un dispersant et une phase dispersée qui contient un matériau hydrophobe, le dispersant renfermant un composé anionique dont la masse moléculaire est inférieure à 50 000 et qui est choisi parmi des composés contenant du carbone et des composés contenant du silicium, d'une part, et un composé organique cationique dont la masse moléculaire est inférieure à 50 000, d'autre part. On décrit aussi la fabrication et l'utilisation de la dispersion dans la production de papier. L'invention concerne également une composition sensiblement anhydre qui contient un matériau hydrophobe, un composé anionique dont la masse moléculaire est inférieure à 50 000 et qui est choisi parmi des composés contenant du carbone et des composés contenant du silicium, et un composé organique cationique dont la masse moléculaire est inférieure à 50 000. L'invention concerne aussi l'utilisation de cette composition dans la préparation d'une dispersion aqueuse.
Frolich Sten
Hallstrom Hans
Lindgren Erik
Sikkar Rein
Akzo Nobel N.v.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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