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二氧化硅/硅酸锰核壳微球的可控制备 被引量：2

Controlled synthesis of silica/manganese silicate with core-shell structure
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摘要 以二氧化硅微球为模板,乙酸锰为锰源,140℃下水热合成了二氧化硅/硅酸锰核壳微球。核与空腔的大小可通过反应时间进行控制。随反应物Si/Mn物质的量比的改变,产物的形貌和尺寸发生了较大的变化。利用X射线衍射仪(XRD)、场发射扫描电子显微镜(FE-SEM)、透射电子显微镜(TEM)和氮气吸附脱附等测试手段对所得产物进行表征和分析。 Manganese silicate core-shell microspheres with tunable chamber structures have been synthesized by a reaction between Mn（CH3COO）2.4H2O and SiO2microspheres via hydrothermal method at 140 ℃.The chamber and shell thickness of the manganese silicate microspheres can be controlled by adjusting the synthetic parameters of MnSiO3,such as reaction time.As the amount ratio of substances changes,the morphology and dimensions of the products vary considerably.The products were characterized by X-ray powder diffraction（XRD）,field-emission scanning electron microscopy（FE-SEM）,transmission electron microscopy（TEM） and nitrogen adsorption and desorption.
作者 王玲燕 王春利 杜芳林
机构地区 青岛科技大学材料科学与工程学院 潍坊工程职业学院
出处 《中国科技论文》 CAS 北大核心 2012年第9期736-738,共3页 China Sciencepaper
基金 高等学校博士学科点专项科研基金资助项目(20093719110003) 青岛市科技局资助项目(10-3-4-4-9-jch)
关键词 可控制备 硅酸锰 核壳结构 controlled synthesis； manganesesilicate； core-shellstructure；
分类号 TB383.4 [一般工业技术—材料科学与工程]
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参考文献10

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同被引文献15

  • 1徐小琳,邵谦.核壳型乳液聚合研究进展[J].胶体与聚合物,2006,24(1):36-39. 被引量：5
  • 2李小琴,周娟,乔晓光,武利民.电子染色技术在SiO_2/P(St-co-BA)复合微球TEM表征中的应用[J].高分子学报,2007,17(7):652-656. 被引量：4
  • 3Crassous JJ, Wittemann A, Siebenbuerger M, et al. Direct imaging of temperature-sensitive core-shell late- xes by cryogenic transmission electron microscopy [J]. Colloid and Polymer Science, 2008, 286 ( 6/7): 805-812.
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  • 5Aguirre M, Pau[is M, Ramon Leiza ], eta[. High-so[- ids-content hybrid acrylic/CeO latexes with encapsula- ted morphology assessed by 3D-TEM [J]. Macromolec- ular Chemistry and Physics, 2013, 214 ( 19 ): 2157-2164.
  • 6Geng Xiang, Zhai Xuemei, Sun Tong, et al. Morpholo- gy observation of latex particles with scanning transmis- sion electron microscopy by a hydroxyethyl cellulose embedding combined with Ru04 staining method [J].Microscopy and Microanalysis, 2013, 19(2) : 319-326.
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  • 10Mok M M, Kim J, Torkelson J M. Gradient copoly- mers with broad glass transition temperature regions: design of purely interphase compositions for damping applications [J]. Journal of Polymer Science Part B: Polymer Physics, 2008, 46(1) : 8-58.

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中国科技论文
2012年 第9期

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