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煅燒溫度和模板劑含量對介孔氧化鋯微球結(jié)構(gòu)和性能的影響
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新型陶瓷與精細工藝國家重點實驗室,精細陶瓷北京市重點實驗室,精細陶瓷北京市重點實驗室,精細陶瓷北京市重點實驗室,新型陶瓷與精細工藝國家重點實驗室

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國家自然科學基金資助(項目號91326203)


Effects of calcination temperature and the content of templates on the structure and properties of mesoporous zirconia microspheres
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State Key Laboratory of New Ceramics and Fine Processing,Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing Key Laboratory of Fine Ceramics,Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing Key Laboratory of Fine Ceramics,Institute of Nuclear and New Energy Technology,Tsinghua University,Beijing Key Laboratory of Fine Ceramics,Institute of Nuclear and New Energy Technology,Tsinghua University,State Key Laboratory of New Ceramics and Fine Processing,Institute of Nuclear and New Energy Technology,Tsinghua University

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    摘要:

    本文以F127和十二烷基硫酸鈉(SDS)為模板劑,采用溶膠凝膠法制備介孔氧化鋯微球。研究了煅燒溫度和模板劑含量對介孔微球結(jié)構(gòu)和性能的影響。實驗制的微球尺寸均一,直徑900μm左右。研究發(fā)現(xiàn)樣品的比表面積隨煅燒溫度的升高而減小,而平均孔徑則隨煅燒溫度的升高呈變大趨勢。低溫煅燒后樣品為純的四方相氧化鋯,600 ℃煅燒后的樣品中開始出現(xiàn)單斜相。相同煅燒溫度下,模板劑添加量多的樣品比表面積和孔體積要大。模板劑添加量對樣品的物相結(jié)構(gòu)沒有影響。

    Abstract:

    Mesoporous zirconia microspheres were prepared by sol-gel method using F127 and sodium dodecyl sulfate (SDS) as templates. The effects of calcination temperature and the content of templates on the structure and properties of mesoporous microspheres were studied. The size of microspheres is uniform, with diameter of about 900μm. It is found that with the increase of the calcination temperature, the specific surface area of the sample decreases, while the average pore diameter has increase trend. After calcined at low temperature, the samples are pure tetragonal zirconia, and there begin to appear monoclinic phase after calcined at 600 ℃. With the same calcination temperature, the specific surface area and pore volume of the sample added more templates are larger. The addition amount of templates has no influence on the phase structure of the sample.

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郭婷,王晨,董利民,呂金龍,梁彤祥.煅燒溫度和模板劑含量對介孔氧化鋯微球結(jié)構(gòu)和性能的影響[J].稀有金屬材料與工程,2017,46(9):2731~2736.[Guo Ting, Wang Chen, Dong Limin, Lv Jinlong, Liang Tongxiang. Effects of calcination temperature and the content of templates on the structure and properties of mesoporous zirconia microspheres[J]. Rare Metal Materials and Engineering,2017,46(9):2731~2736.]
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  • 收稿日期:2016-06-14
  • 最后修改日期:2017-10-12
  • 錄用日期:2016-12-06
  • 在線發(fā)布日期: 2017-11-29
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