Patent ID: 9688832
Date: 2017-06-27
CPC Classifications: A61K,A61Q,C08F,C08J

Claim:
1. A method for preparing macroporous polymethyl methacrylate (PMMA) particles, comprising the steps of: (a) dissolving a polymethyl methacrylate polymer and a triblock copolymer of ethylene oxide-propylene oxide-ethylene oxide into an organic solvent; (b) introducing the mixed solution of step (a) to an aqueous solution containing a surfactant and mixing them to carry out emulsification; (c) heating the resultant product of step (b) to allow evaporation of the organic solvent; and (d) washing and drying the remaining product of step (c) to obtain the macroporous polymethyl methacrylate particles each having a plurality of macropores.