超声引发乳液聚合制备纳米Ag/PMMA复合粒子
Ag/PMMA Nanocomposites Synthesized by Ultrasonic Initiated Emulsion Polymerization
摘 要
用超声辐射不含引发剂、还原剂而仅含有银盐的甲基丙烯酸甲酯乳液,原位合成了纳米Ag/PMMA复合粒子,对其进行了FTIR、HRTEM、XRD表征.结果表明:以纳米银为核的复合粒子具有很好的分散性,且纳米银为多晶体,结晶为高度有序的结构.
乳液聚合
纳米复合粒子
聚甲基丙烯酸甲酯
ultrasonic radiation
emulsion polymerization
nanocomposites
PMMA
Abstract
Ag/polymethyl methacrylate(PMMA) nanocomposites were successfully in situ synthesized by ultrasonic radiating in the emulsion with methyl methacrylate monomers and silver salt but without initiator and reductant.The resultant Ag/PMMA nanocomposites were characterized by fourier transform infrared spectroscopy (FTIR),high resolution transmission electron microscopy (HRTEM) and X-ray diffraction (XRD).The results show that the composites particles with nano-Ag as core showed good dispersion.The nano-Ag was polycrystalline and possessed high order of crystalline.
中图分类号 TQ325.7
所属栏目 新材料 新工艺
基金项目 教育部科技基金重点资助项目(206064)
收稿日期 2007/10/22
修改稿日期 2008/2/25
网络出版日期
作者单位点击查看
备注杜虹(1980-),女,新疆伊犁人,讲师,硕士.
引用该论文: DU Hong,XU Guo-cai,XIONG Jin-yu,ZHAO Shu-xian. Ag/PMMA Nanocomposites Synthesized by Ultrasonic Initiated Emulsion Polymerization[J]. Materials for mechancial engineering, 2008, 32(10): 44～47
杜虹,徐国财,熊金钰,赵淑贤. 超声引发乳液聚合制备纳米Ag/PMMA复合粒子[J]. 机械工程材料, 2008, 32(10): 44～47
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参考文献
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【9】Yin N W,Chen K Q.Particle formation mechanism and kinetic model of ultrasonically initiated emulsion polymerization[J].European Polymer Journal,2005,41:1357-1372.
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