Patent ID: 8487013

Claim:
A method for producing a porous resin particle containing an aromatic vinyl compound-aromatic divinyl compound copolymer having a hydroxyl group, the method comprising: dissolving a monomer mixture containing an aromatic vinyl compound, an aromatic divinyl compound and a (meth)acrylic acid ester having one hydroxyl group within the molecule thereof, and a polymerization initiator in an organic solvent to obtain a solution containing the monomer mixture and the polymerization initiator; wherein the dissolving step is followed by suspending the solution in water in the presence of a dispersion stabilizer; and wherein the suspending step is followed by performing a suspension copolymerization, wherein a weight ratio of the organic solvent to the monomer mixture is 1 to 3, wherein an amount of the dispersion stabilizer is 0.01 to 10 weight % based on the water used for performing suspension copolymerization, and wherein the (meth)acrylic acid ester having one hydroxyl group within the molecule thereof is at least one of 4-hydroxybutyl (meth)acrylate or 2-hydroxy-3-phenoxypropyl (meth)acrylate.