Method for production of hydrophilic polymer

Details Method for production of hydrophilic polymer Method for production of hydrophilic polymer

C - Chemistry, Metallurgy

08

F

402/396, 204/88

C08F 2/00 (2006.01) B01J 19/00 (2006.01) B01J 19/18 (2006.01) C08F 20/04 (2006.01)

Patent

CA 1333439

A method for the production of a hydrophilic polymer by the polymerization of a liquid containing an aqueous hydrophilic monomer solution in a reaction vessel provided with at least one rotary stirring blade, which comprises polymerising said hydrophilic monomer in a reaction vessel wherein, at least a portion of the inner wall surface of said reaction vessel repeatedly exposed to said aqueous solution or said hydrophilic polymer and a gas has the surface roughness, Rmax, thereof adjusted to not more than 3 µm and at the same time said portion of the inner wall of surface is kept cooled constantly to a temperature of not more than 70°C from behind said portion with a cooling medium.

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