C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 265/10 (2006.01) C08F 2/10 (2006.01) C08F 265/04 (2006.01) C08J 3/24 (2006.01)
Patent
CA 2406270
This invention is directed to structurally-modified water-soluble polymers prepared by initiating polymerization of an aqueous solution of monomers under free radical polymerization conditions to form a polymer solution and adding at least one structural modifier to the polymer solution after at least 30 % polymerization of the monomers has occurred, and to use of the water-soluble cross-linked polymers as flocculating agents.
L'invention concerne des polymères hydrosolubles modifiés sur le plan structurel préparés par amorçage de la polymérisation dans une solution aqueuse de monomères dans des conditions de polymérisation radicalaire en vue de produire une solution polymère, et par adjonction d'au moins un modificateur structurel à la solution polymère après qu'au moins 30 % de la polymérisation des monomères a été effectuée. L'invention concerne également l'utilisation de polymères hydrosolubles réticulés en tant que floculants.
Guddendorf Tracey
Johnson Cathy
Maltesh Chidambaram
Sivakumar Ananthasubramanian
Whipple Wesley L.
Bcf Llp
Nalco Company
Ondeo Nalco Company
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