期刊
POLYMER COMPOSITES
卷 35, 期 11, 页码 2251-2260出版社
WILEY
DOI: 10.1002/pc.22890
关键词
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资金
- National Natural Science Foundation of China [51003076, 21101113]
- Science and Technology Commission Foundation of Tianjin [10JCZDJC22000]
- Universities of Science and Technology Development Fund Planning Project of Tianjin [20120308]
Palladium (Pd) nanoparticles with different sizes are in situ synthesized by reduction of PdCl2 with NaBH4 as reductant in the presence of poly(methacrylic acid) (PMAA) microspheres. The obtained PMAA/Pd composites are characterized by Fourier transform infrared spectra, X-ray diffraction, and Transmission electron microscopy. The catalytic activity of the PMAA/Pd composites is investigated using a model reaction, that is, reduction of p-nitrophenol to p-aminophenol. The reaction shows first-order kinetics, and the reaction rate increases with increasing reaction temperature, p-nitrophenol concentration, and loadings of Pd nanoparticles on PMAA microspheres. The PMAA/Pd composites exhibit good stability, ascribing to the Pd nanoparticles stabilized by PMAA microspheres. (C) 2014 Society of Plastics Engineers
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