Process for obtaining hydrosoluble polymers, the polymers...

Details Process for obtaining hydrosoluble polymers, the polymers... Process for obtaining hydrosoluble polymers, the polymers...

C - Chemistry, Metallurgy

08

F

402/374, 134/39,

C08F 2/10 (2006.01) B01D 65/08 (2006.01) B02C 23/06 (2006.01) C02F 5/14 (2006.01) C11D 3/37 (2006.01) D21H 21/10 (2006.01) C02F 5/10 (2006.01)

Patent

CA 2209512

Process for obtaining homopolymers and/or copolymers in aqueous solution through the production of a compound containing an atom of phosphorus having an oxidation state less than 5, a quantity of 0.005 to 0.49 atom of phosphorus per mole of unsaturation, to be polymerized in the absence of any agent of hydrogen peroxide decomposition into free radicals and in the absence of transfer agents. Polymers with very low levels of residual monomers obtained by the said process and their uses.

Procédé d'obtention d'homopolymères et/ou copolymères en solution aqueuse par lamise en oeuvre d'un composé contenant un atome de phosphore de degré d'oxydation inférieur à 5 en quantité allant de 0,005 à 0,49 atome de phosphore par mole d'insaturation à polymériser en l'absence de tout agent de la décompositiond'eau oxygénée en radicaux libres ainsi qu'en l'absence d'agent de transfert. Polymères à très faibles teneurs en monomères résiduels obtenus par ledit procédé ainsi que leurs utilisations.

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