Preparation of Tens of Micrometers Sized Polystyrene Spheres

Ren Jie Wang; Kai Guo; Wei Hua Fan; Xiao Yu Liu; Yu Kun Liu; Jin Zhou Chen; Xin Fa Li

doi:10.4028/www.scientific.net/AMR.468-471.2686

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 468-471Preparation of Tens of Micrometers Sized...

Preparation of Tens of Micrometers Sized Polystyrene Spheres

Abstract:

The tens of micrometers sized polystyrene(PS) microspheres were produced by dispersion polymerization in ethanol/H2O medium with poly(N-vinyl pyrrolidone) (PVP) as a dispersant and 2,2’-azobisisobutyronitrile(AIBN) as a radical initiator. The effects of PVP concentration and ethanol/H2O ratio on particle size and size distribution of PS microspheres were studied extensively. It was found that polystyrene microspheres with diameter 10-50μm were produced with 30wt% of St, 4wt% of AIBN, 3wt% of PVP and 97.5/2.5 ratio of ethanol/H2O, and narrow distribution of microspheres can be achieved by screening.

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Periodical:

Advanced Materials Research (Volumes 468-471)

Pages:

2686-2690

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.468-471.2686

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Online since:

February 2012

Authors:

Ren Jie Wang, Kai Guo, Wei Hua Fan, Xiao Yu Liu, Yu Kun Liu, Jin Zhou Chen, Xin Fa Li

Keywords:

Dispersion Polymerization, Poly(N-Vinyl Pyrrolidone), Polystyrene Microspheres

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