Journal of Materials Science

, Volume 46, Issue 22, pp 7214–7222 | Cite as

Nonspherical dented poly(methyl methacrylate)/poly(styrene-co-divinylbenzene) particles formed in seeded soap-free emulsion copolymerization

  • Shan ShiEmail author
  • Tao Wang
  • Lina Bian
  • Limin Zhou
  • Liqun Zhao
  • Shin-ichi KurodaEmail author


In this study, nonspherical poly(methyl methacrylate)/poly(styrene-co-divinylbenzene) [PMMA/P(St-co-DVB)] particles having multiple dents on the surface were prepared by seeded soap-free emulsion copolymerization of St and DVB (used as a crosslinker) on spherical linear PMMA seed particles. The effect of various polymerization parameters on particle morphology, as well as polymerization kinetics and morphological evolution, were investigated in detail. It was found that, to prepare this kind of nonspherical particles, it was necessary to conduct the polymerization at a relatively low temperature, using batch monomer addition mode and PMMA seed of relatively high molecular weight. The formation of the nonspherical particles was attributed to the phase separation between the second-stage monomers and the crosslinked P(St-co-DVB) network being formed during polymerization.


PMMA Seed Particle Monomer Conversion Field Emission Scanning Electron Microscopy Image Polymerization Temperature 



This study was supported in part by the National Natural Science Foundation of China (No.50943028), the Scientific Research Foundation for the Returned Overseas Chinese Scholars of State Education Ministry, and the Scientific Research Foundation of Education Department of Liaoning Province (No.2008T155).


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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Key Laboratory of Applied Technology of Polymer MaterialsCollege of Materials Science and Engineering, Shenyang University of Chemical TechnologyShenyangChina
  2. 2.Department of Production Science and TechnologyFaculty of Engineering, Gunma UniversityOtaJapan

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