Production method of porous spherical particles of vinyl...

Details Production method of porous spherical particles of vinyl... Production method of porous spherical particles of vinyl...

C - Chemistry, Metallurgy

08

F

C08F 2/18 (2006.01) C08F 10/08 (2006.01)

Patent

CA 2509135

The present invention provides a method of producing porous spherical particles, which includes suspension polymerization of a multifunctional monomer having two or more vinyl groups and a vinyl monomer having one vinyl group in an aqueous medium in the presence of a porogen and a distribution stabilizer, wherein the distribution stabilizer is polyvinyl alcohol having a saponification degree of 75 to 85 mol%. According to the method of the present invention, generation of particle agglomerates and large particles can be suppressed and porous spherical particles having a desired average particle size and a narrow particle size distribution can be conveniently produced.

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