CPC C08J 3/14 (2013.01) [B29C 64/153 (2017.08); C08F 12/08 (2013.01); B29K 2025/06 (2013.01); B33Y 70/10 (2020.01); C08F 2500/01 (2013.01); C08F 2500/05 (2013.01); C08F 2500/24 (2013.01); C08J 2325/06 (2013.01)] | 17 Claims |
1. A process comprising:
combining polystyrene, wherein the polystyrene is a bimodal molecular weight distribution polystyrene, wherein the polystyrene has a weight average molecular weight of from about 40,000 to about 100,000 Daltons, and a first solvent to form a polystyrene solution;
heating the polystyrene solution;
adding a second solvent to the polystyrene solution with optional stirring whereby polystyrene microparticles are formed via microprecipitation;
optionally, cooling the formed polystyrene microparticles in solution; and
optionally, removing the first solvent and second solvent.
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