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2008•Journal of Functional PolymersRequires access

Preparation Microspheres of Crosslinked Polystyrene by Dispersion Polymerization

Jing Liu

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Abstract

Monodispersed polystyrene microspheres in an average diameter range of 3.28-9.04 μm and monodispersed crosslinked polystyrene microspheres in an average diameter of 6.60 μm were prepared.The effects of the concentration of monomer styrene,initiator 2,2′-Azobis(2-methylpropionitrile) AIBN,and stablizer polyvinyllpyrrolidone(PVP) on the average size and size distribution of microspheres were studied.Thermal analysis shows that crosslinked polystyrene microspheres have a higher heat-resistance than linear polystyrene.

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Monodispersed polystyrene microspheres in an average diameter range of 3.28-9.04 μm and monodispersed crosslinked polystyrene microspheres in an average diameter of 6.60 μm were prepared.The effects of the concentration of monomer styrene,initiator 2,2′-Azobis(2-methylpropionitrile) AIBN,and stablizer polyvinyllpyrrolidone(PVP) on the average size and size distribution of microspheres were studied.Thermal analysis shows that crosslinked polystyrene microspheres have a higher heat-resistance than linear polystyrene.

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Available abstract

Monodispersed polystyrene microspheres in an average diameter range of 3.28-9.04 μm and monodispersed crosslinked polystyrene microspheres in an average diameter of 6.60 μm were prepared.The effects of the concentration of monomer styrene,initiator 2,2′-Azobis(2-methylpropionitrile) AIBN,and stablizer polyvinyllpyrrolidone(PVP) on the average size and size distribution of microspheres were studied.Thermal analysis shows that crosslinked polystyrene microspheres have a higher heat-resistance than linear polystyrene.

Key concepts: Polystyrene, Materials science, Styrene, Microsphere, Dispersion polymerization, Polymer chemistry, Polymerization, Dispersion (optics)

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