Journal
POLYMER CHEMISTRY
Volume 9, Issue 44, Pages 5359-5369Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8py01236a
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A facile and convenient approach for the synthesis of core-shell particles via emulsion polymerization is presented. The shell consists of poly(vinylidene fluoride) (PVDF) and the core of poly(methyl methacrylate) (PMMA), poly(glycidyl methacrylate) (PGMA) or poly(methyl acrylate) (PMA). In a first step, a non-fluorinated (meth)acrylate monomer is polymerized in the emulsion to produce poly(meth)acrylate core particles. Secondly, vinylidene fluoride (VDF) is directly added to the reactor and polymerized for shell formation. Small-angle X-ray scattering (SAXS) was employed to characterize the structure of the core-shell particles. Interestingly, the particles' core contains fluorinated and non-fluorinated polymers, whereas the shell of the particles consists only of PVDF. The resulting particles with a diameter of around 40 nm show a significantly higher PVDF phase content than the PVDF homopolymer obtained by emulsion polymerization.
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