Process for the preparation of polymer particles

Details Process for the preparation of polymer particles Process for the preparation of polymer particles

C - Chemistry, Metallurgy

08

F

C08F 112/08 (2006.01) C08F 2/18 (2006.01) C08F 12/04 (2006.01) C08F 112/04 (2006.01)

Patent

CA 2309442

Process for the preparation of polyvinylarene polymer particles by suspension polymerization, wherein (a) vinylarene monomers are suspended in an aqueous medium to yield a suspension; (b) the temperature of the suspension is adjusted to a temperature above 50°C, at which temperature an initiator is added; (c) subsequently, the reaction temperature is increased by 5 to 30°C per hour until a temperature of at least 120°C has been reached; and (d) the temperature is retained at a temperature of at least 120°C until the polymerization is complete.

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