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单分散纳米聚苯乙烯微球的制备及在多孔炭材料中的应用
引用本文:蔡江涛,李小燕,邱介山,周安宁.单分散纳米聚苯乙烯微球的制备及在多孔炭材料中的应用[J].纳米科技,2013(3):6-11.
作者姓名:蔡江涛  李小燕  邱介山  周安宁
作者单位:[1]西安科技大学化学与化工学院,陕西西安710054 [2]大连理工大学炭材料研究室辽宁省能源材料与化工重点实验室,辽宁大连116024
基金项目:国家自然科学基金项目(No.21276207),教育部重点项目(No.212175)
摘    要:在超声波辅助下通过微乳液聚合法制备出纳米PS微球,利用重力沉降法制备出聚苯乙烯胶晶阵列,以该阵列为大孔模板制备出大孔一介孔分级炭材料,利用激光粒度仪、场发射扫描电镜、红外和N2物理吸附及解吸附技术对产品的形貌、微观结构及性能进行表征与研究,结果表明,采用超声波辅助微乳液聚合可实现粒径在50nm-500nm范围内聚苯乙烯纳米球的可控制备,增大KPS和PVP用量,PS粒径均会变小,St/SDSN要有适合的比例才能保证PS粒径小且单分散均一。

关 键 词:聚苯乙烯微球  微乳液聚合  超声波辐照  模板剂  多孔炭材料

Preparation and Application in Porous Carbon of Monodisperse Nano-polystyrene Microspheres
Authors:CAI jiang-tao  LI Xiao-yan  QIU jie-shan  ZHOU An-ning
Affiliation:1 (1. College of Chemistry & Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, China) (2. Carbon Research Laboratory, Liaoning Key Lab for Energy Materials and Chemical Engineering, Dalian University of Technology, Dalian 116024, China)
Abstract:The nona-PS microspheres were polymerized by ultrasound-assisted micro-emulsion polymerization, and then polystyrene colloidal crystal arrays were made by gravity settling method. The hierarchical macro-mesoporous carbon (HMMC) materials were prepared with the array as macroporous tempelate agent. The morphology, microstructure and properties of the products were characterized by laser particle size analyzer, field emission scanning electron microscopy, and infrared and N2 adsorption and desorption technology. The results show that ultrasonic assisted controlled polystyrene nano-sphere particles size in the range of 50nm~500nm. with the dosage increase of KPS and PVP, PS particles size be- come smaller. However, in order to ensure small particles size and good monodisperse, St/SDS have a suitable ratio.
Keywords:polystyrene microspheres  micro-emulsion polymerization  ultrasonic irradiation  template agent  porous car-bon materials
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