期刊
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
卷 54, 期 20, 页码 3350-3356出版社
WILEY-BLACKWELL
DOI: 10.1002/pola.28224
关键词
multifunctional hybrid composite; titanium dioxide; magnetite; photocatalytic activity; magnetic recovery
资金
- European Union [FP7NMP-2012-2.2-6-310177]
- Ministerio de Ciencia e Innovacion (MICINN) [CTQ2014-59016-P]
- Basque Government [GV IT-303-10]
- Gipuzkoako Foru Aldundia [EXP 55/14]
Novel multifunctional titanium dioxide (TiO2)/polystyrene/magnetite composite hybrid polymer particle dispersions with TiO2 nanoparticles in the surface and magnetite nanoparticles encapsulated inside the polymer matrix were produced by Pickering miniemulsion polymerization in one single step. Whereas TiO2 nanoparticles were used to impart photocatalytic functionality and colloidal stability, magnetite nanoparticles were incorporated to allow an easy extraction for recovery and reuse of the composite multifunctional particles. The morphology of the composite particles was assessed by scanning transition electron microscopy (STEM) and energy-dispersive X-ray spectroscopy (EDX). The paramagnetism of the particles was analyzed using a SQUID magnetometer and their photocatalytic activity was assessed by degrading methylene blue (MB) solutions under UV light and by recovering and reusing of the particles in five consecutive cycles. (c) 2016 Wiley Periodicals, Inc. J. Polym. Sci., Part A: Polym. Chem. 2016, 54, 3350-3356
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