Journal Title
Title of Journal: Silicon
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Publisher
Springer Netherlands
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Authors: Denis I Shragin Inessa A Gritskova Victor V Kopylov Elena V Milushkova Liubov A Zlydneva Sergey M Levachev
Publish Date: 2014/12/17
Volume: 7, Issue: 2, Pages: 217-227
Abstract
Waterinsoluble polydimethylsiloxanes PDMSs with functional organic substituents at the silicon atom are promising surfaceactive 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 surfaceactive properties at the watertoluene 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:
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