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sjmsxmhl(½ð±Ò+5): 2010-04-29 18:18
xiaogounihao(½ð±Ò+1):ллÌṩ 2010-04-29 19:24
sjmsxmhl(½ð±Ò+5): 2010-04-29 18:18
xiaogounihao(½ð±Ò+1):ллÌṩ 2010-04-29 19:24
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. Accession number: 20101612863225 Title: Preparation of TiO2-g-Polystyrene Nanosphere and Its Application in Toughening PS Matrix Authors: Sang, Xiaoming1 ; Wu, Peng1 ; Hou, Guixiang1 ; Yu, Shouwu1 Author affiliation: 1 Hebei Province Key Laboratory of Inorganic Nonmetallic Materials, College of Materials Science and Engineering, Hebei Polytechnic University, TangShan, Hebei, 063009, China Corresponding author: Sang, X. (xmsang@heut.edu.cn) Source title: Advanced Materials Research Abbreviated source title: Adv. Mater. Res. Volume: 97-101 Monograph title: Manufacturing Science and Engineering I Issue date: 2010 Publication year: 2010 Pages: 1677-1680 Language: English ISSN: 10226680 ISBN-10: 0878492801 ISBN-13: 9780878492800 Document type: Conference article (CA) Conference name: 2009 International Conference on Manufacturing Science and Engineering, ICMSE 2009 Conference date: December 26, 2009 - December 28, 2009 Conference location: Zhuhai, China Conference code: 79909 Sponsor: University of Wollongong (UOW); Hong Kong Industrial Technology Research Centre (ITRC) Publisher: Trans Tech Publications, P.O. Box 1254, Clausthal-Zellerfeld, D-38670, Germany Abstract: TiO2-g-Polystyrene(PS) nano-microspheres were prepared by grafted styrene monomer on the surface of nano-TiO2 particles via emulsion polymerization, and its surface and morphology were studied by Transmission electron microscopes(TEM), Fourier transform infrared spectroscopy(FTIR) and thermal gravimetric analysis(TGA). The results showed that the TiO2-g-PS nano-microsphere had a structure of sphericity composed of TiO2 and PS as core and shell respectively. The core-shell nanoparticles were subsequently used as filler in a PS matrix, and the impact strength of the TiO2-g-PS/PS composites were studied. The results showed that the impact strength of the composite material could be improved obviously, the maximum value of impacted strength of the TiO 2-g-PS/PS was 1.75kJ/m2, which was 180% higher than that of pure PS. Drawing from the results, it could be confirmed that these core-shell TiO2-g-PS nanosphere fillers could toughen the PS matrix. © (2010) Trans Tech Publications. Number of references: 11 Main heading: Impact strength Controlled terms: Composite micromechanics - Electron microscopes - Emulsification - Emulsion polymerization - Fillers - Fourier transform infrared spectroscopy - Microspheres - Nanospheres - Polymers - Polystyrenes - Shells (structures) - Styrene - Thermogravimetric analysis - Transmission electron microscopy Uncontrolled terms: Core-shell - Core-shell nanoparticles - matrix - Maximum values - Nano-TiO - Styrene monomer - Thermal gravimetric analysis - TiO - Transmission electron microscope Classification code: 815.1 Polymeric Materials - 815.1.1 Organic Polymers - 815.2 Polymerization - 818 Rubber and Elastomers - 812.3 Glass - 921.4 Combinatorial Mathematics, Includes Graph Theory, Set Theory - 931.1 Mechanics - 932 High Energy Physics; Nuclear Physics; Plasma Physics - 933 Solid State Physics - 931 Classical Physics; Quantum Theory; Relativity - 812.1 Ceramics - 421 Strength of Building Materials; Mechanical Properties - 741.3 Optical Devices and Systems - 761 Nanotechnology - 801 Chemistry - 408.2 Structural Members and Shapes - 801.3 Colloid Chemistry - 803 Chemical Agents and Basic Industrial Chemicals - 804.1 Organic Compounds - 804.2 Inorganic Compounds - 802.3 Chemical Operations DOI: 10.4028/www.scientific.net/AMR.97-101.1677 Database: Compendex Compilation and indexing terms, © 2009 Elsevier Inc. |
5Â¥2010-04-29 17:58:33














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