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, Volume 7, Issue 2, pp 217–227 | Cite as

Novel Approach to Synthesis of Monodisperse Polymeric Microspheres: Heterophase Polymerization of Styrene and Methyl Methacrylate in Presence of Water-Insoluble Functional PDMSs

  • Denis I. ShraginEmail author
  • Inessa A. Gritskova
  • Victor V. Kopylov
  • Elena V. Milushkova
  • Liubov A. Zlydneva
  • Sergey M. Levachev
Original Paper

Abstract

Water-insoluble polydimethylsiloxanes (PDMSs) with functional organic substituents at the silicon atom are promising surface-active substances for the synthesis of monodisperse polymeric microspheres. In this regard a number of PDMS oligomers bearing different functional chain ends (amino, carboxylic and epoxy groups) were synthesized by conventional approaches. Solubility of PDMS in both the monomers (styrene (St) or methyl methacrylate (MMA)) and water as well as their surface-active properties at the water-toluene interface were investigated. Heterophase polymerization of St and MMA was carried out in the presence of functional PMDS and the resulting suspensions of polymeric microspheres were characterized using scanning electron microscopy (SEM). It was shown that the polymeric suspensions obtained have a very narrow particle size distribution and high stability in electrolyte solutions. The mechanism of the interfacial layer formation which explains the observed results is proposed.

Keywords

Polystyrene Polymethyl methacrylate Radical polymerization Functional polydimethylsiloxane Surface-active substances Monodisperse functional latexes 

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Copyright information

© Springer Science+Business Media Dordrecht 2014

Authors and Affiliations

  • Denis I. Shragin
    • 2
    • 3
    Email author
  • Inessa A. Gritskova
    • 1
  • Victor V. Kopylov
    • 1
  • Elena V. Milushkova
    • 1
  • Liubov A. Zlydneva
    • 1
  • Sergey M. Levachev
    • 4
  1. 1.M. V. Lomonosov Moscow State University of Fine Chemical TechnologiesMoscowRussia
  2. 2.N.S. Enikolopov Institute of Synthetic Polymeric MaterialsFoundation of the Russian Academy of SciencesMoscowRussia
  3. 3.A.N. Nesmeyanov Institute of Organoelement CompoundsFoundation of the Russian Academy of SciencesMoscowRussia
  4. 4.Chemistry DepartmentM. V. Lomonosov Moscow State UniversityMoscowRussia

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