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Preparation of Y2O3 Hollow Spheres and Low Frequency Damping Properties of Rubber Composite Reinforced with Y2O3 Hollow Spheres |
Fuqing ZHANG1,Wei WANG2,Gang SUN2,Jiangtao CHEN2,Xueliang JIANG2,**( ) |
1. School of Chemical and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430073, China 2. School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan 430073, China |
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Cite this article:
Fuqing ZHANG,Wei WANG,Gang SUN,Jiangtao CHEN,Xueliang JIANG. Preparation of Y2O3 Hollow Spheres and Low Frequency Damping Properties of Rubber Composite Reinforced with Y2O3 Hollow Spheres. Chinese Journal of Materials Research, 2015, 29(7): 505-510.
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Abstract Poly(methyl methacrylate) (PMMA) spheres were firstly prepared through dispersion polymerization, then with which as sacrifice template, PMMA/Y(OH)CO3 composite microspheres were prepared by homogeneous precipitation technique. Thirdly, Y2O3 hollow spheres were obtained by calcination of PMMA/Y(OH)CO3 at elevated temperature, and finally Y2O3 hollow shperes reinforced butyl rubber composites were fabricated. The structure and morphology of the Y2O3 hollow nanospheres were characterized by means of Fourier transform infrared spectroscopy (FTIR), scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray photoelectron spectrum (XPS), X-ray diffraction (XRD) and thermogravimetry (TG). The results show that hollow spheres composed of Y2O3 particles of face-centered cubic crystallorgraphic structure, and their diameter is about 1 μm with a thin shell thickness about 80 nm. The hollow microspheres and powders of Y2O3 as filler were added respectively into butyl rubber to prepare butyl rubber composites. It follows that the butyl rubber composites with addition of Y2O3 hollow spheres rather than that of Y2O3 powders exhibited better damping properties with larger loss factors by frequencies such as 8, 18, 28, 50, 65 and 90 Hz.
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Received: 26 September 2014
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Fund: *Supported by National Natural Science Foundation of China No. 51273154, Graduate Education Innovation project Wuhan Institute of Technology CX2013085, and Open Foundation of Key Laboratory for Green Chemical Process of Ministry of Education No. GCP201307. |
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