Polymerization process for making porous polymeric particles

Details Polymerization process for making porous polymeric particles Polymerization process for making porous polymeric particles

C - Chemistry, Metallurgy

08

F

C08F 2/18 (2006.01) C08J 9/16 (2006.01)

Patent

CA 2114295

ABSTRACT OF THE DISCLOSURE A process for making porous polymeric particles having high surface area includes suspending a discontinuous organic phase in an continuous aqueous phase, wherein the organic phase includes an ethylenically unsaturated monomer, a watersoluble phase extender and a surfactant in an amount effective to solubilize thewater soluble phase extender in the monomer and wherein the aqueous phase includes a diffusion barrier agent for limiting mass transfer of the phase extender from the organic phase to the aqueous phase, and then polymerizing the ethylenically unsaturated monomer to form the porous polymeric particles.

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