Preparation of core-shell poly(acrylic acid)/polystyrene/SiO2 hybrid microspheres

被引：0
|
作者：
Wang, Hualin [1 ]
Shi, Tiejun [1 ]
Zhai, Linfeng [1 ]
机构：
[1] School of Chemical Technology, Hefei University of Technology, Hefei, Anhui 230009, China
来源：
Journal of Applied Polymer Science | 2006年 / 102卷 / 02期
关键词：
Core-shell poly(acrylic acid)/polystyrene/SiO2 (PAA/PS/SiO 2) hybrid microspheres were prepared by dispersion polymerization with three stages in ethanol and ethyl acetate mixture medium. Using vinyltriethoxysilane (VTEOS) as silane agent; functional silica particles structured vinyl groups on surfaces were prepared by hydrolysis and polycondensation of tetraethoxysilane and VTEOS in core stage. Then; the silica particles were used as seeds to copolymerize with styrene and acrylic acid sequentially in shell stage I and stage II to form PAA/PS/SiO2 hybrid microspheres. Transmission electron microscope results show that most PAA/PS/SiO2 hybrid microspheres are about 40 nm in diameter; and the silica cores are about 15 nm in diameter; which covered with a layer of PS about 7.5-nm thick and a layer of PAA about 5-nm thick. This core-shell structure is also conformed by Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; and differential scanning calorimetry. FTIR results show that silica core; PS shell; and PAA outermost shell are bonded by covalents. In the core-shell PAA/PS/SiO2 hybrid microsphere; the silica core is rigidity; and the PAA outermost shell is polarity; while the PS layer may work as lubricant owning to its superior processing rheological property in polymer blending. These core-shell PAA/PS/SiO2 hybrid microspheres have potential as new materials for polar polymer modification. © 2006 Wiley Periodicals; Inc;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Journal article (JA)
引用
收藏
页码：1729 / 1733
相关论文
共 50 条
  • [1] Preparation of core-shell poly(acrylic acid)/polystyrene/SiO2 hybrid microspheres
    Wang, Hualin
    Shi, Tiejun
    Zhai, Linfeng
    JOURNAL OF APPLIED POLYMER SCIENCE, 2006, 102 (02) : 1729 - 1733
  • [2] Preparation and Characterization of SiO2/SiCN Core-shell Ceramic Microspheres
    Zhang H.-Y.
    Liu H.-L.
    Li J.
    Kang W.
    Liu, Hong-Li (liuhonglitianjin@163.com), 1600, Beijing Institute of Aeronautical Materials (BIAM) (45): : 7 - 12
  • [3] Facile preparation method of SiO2/PS/TiO2 multilayer core-shell hybrid microspheres
    Zhou, Juan
    Chen, Min
    Qiao, Xiaoguang
    Wu, Limin
    LANGMUIR, 2006, 22 (24) : 10175 - 10179
  • [4] Preparation of porous poly(lactic acid)/SiO2 hybrid microspheres
    Wang, Hualin
    Fang, Mingshan
    Shi, Tiejun
    Zhai, Linfeng
    Tang, Chao
    JOURNAL OF APPLIED POLYMER SCIENCE, 2006, 102 (01) : 679 - 683
  • [5] Preparation and Characterization of SiO2/SiO2 Core-Shell Microspheres as RP-HPLC Stationary Phase
    Liu, Q.
    Wang, L. -T.
    Dong, S. -Q.
    Zhang, Zh. -X.
    Zhao, L.
    JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS, 2011, 21 (04) : 941 - 945
  • [6] Preparation of SiC/SiO2 Core-shell Coaxial Nanostructure
    Wang, Yulian
    Guang, Zhu
    Xiaoping, Zou
    Jin, Cheng
    MULTI-FUNCTIONAL MATERIALS AND STRUCTURES III, PTS 1 AND 2, 2010, 123-125 : 755 - +
  • [7] Preparation and characterization of SiO2/Au core-shell nanopartieles
    Hu, YH
    Rong, JH
    Liu, YL
    Man, SQ
    CHINESE JOURNAL OF INORGANIC CHEMISTRY, 2005, 21 (11) : 1672 - 1676
  • [8] Preparation and characterization of SiO2/Ag core-shell nanoparticles
    Hu, YH
    Rong, JH
    Liu, YL
    Man, SQ
    ACTA CHIMICA SINICA, 2005, 63 (24) : 2189 - 2193
  • [9] Preparation of core-shell SiO2/ZnS and hollow nanospheres
    Xu Yang-Zi
    Hu He
    JOURNAL OF INORGANIC MATERIALS, 2007, 22 (05) : 847 - 852
  • [10] Pickering emulsion polymerization: Preparation of polystyrene/nano-SiO2 composite microspheres with core-shell structure
    Zhang, K.
    Wu, W.
    Meng, H.
    Guo, K.
    Chen, J. -F.
    POWDER TECHNOLOGY, 2009, 190 (03) : 393 - 400
12345