D - Textiles – Paper – 21 – H
Patent
D - Textiles, Paper
21
H
D21H 17/07 (2006.01) C08G 73/02 (2006.01) D21H 17/14 (2006.01) D21H 17/55 (2006.01) D21H 21/22 (2006.01) D21H 21/28 (2006.01)
Patent
CA 2392763
This invention is directed to an aqueous dispersion comprising one or more polyaminoamides, one or more surfactants and water, wherein the dispersion has a pH of from about to about 8 and the polyaminoamides are prepared by reacting one or more fatty acids with one or more polyamines of formula (see above formula) wherein R1 is C2-C4 alkylene and n is 2, 3, 4 or 5 and use of the dispersion in papermaking.
L'invention concerne une dispersion aqueuse comprenant un ou plusieurs, un ou plusieurs tensioactifs et de l'eau. Cette dispersion présente un pH compris entre environ 5 et environ 8 et les polyaminoamides sont préparés par réaction d'un ou de plusieurs acides gras avec un ou plusieurs polyamines représentés par la formule (I), dans laquelle R¿1? représente alkylène C¿2?-C¿4? et n vaut 2, 3, 4 ou 5. L'invention concerne également l'utilisation de cette dispersion pour la fabrication de papier.
Baillif Randy D.
Begala Arthur J.
Howland Christopher P.
Sands Bruce W.
Bcf Llp
Nalco Chemical Company
Ondeo Nalco Company
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