Process for producing polymer latex

Details Process for producing polymer latex Process for producing polymer latex

C - Chemistry, Metallurgy

08

F

C08F 2/22 (2006.01) B01F 7/16 (2006.01) B01F 15/00 (2006.01) B01J 19/18 (2006.01) C08F 36/04 (2006.01)

Patent

CA 2112260

- 20 - ABSTRACT OF THE DISCLOSURE A process for producing a polymer latex comprising emul- sion polymerization of a polymerizable monomer using a polymeri- zation reactor in which an agitation axis 1 that is rotatable from outside of the reactor is installed at a center of said reactor, a bottom paddle 2 having a sweep back angle .alpha. of 30 to 60° at its tipend is attached to said agitation axis 1 and installed in a bottom part of the reactor so that its lower edge is close to a bottom wall of the reactor, a flat paddle 3 having a plate-form fin 4 a tip end of which extends downward is attached to said agitation axis 1 at a position above said bottom paddle 2 at a crossing angle .beta. of 40 to 100° with said bottom paddle 2, and at least two baffles 5 extending from the upper part to the lower part of said reactor are provided with a distance on a side wall of said reactor along a direction of said agitation axis. By this process, an amount of fine coagulates can be greatly decreased.

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