2粉體;Zeta電位;水懸浮液;水熱法"/> 2?8H2O為鋯源,通過水熱法合成了納米二氧化鋯(ZrO2)粉體。結(jié)果表明,ZrO2顆粒為橢球形,粒徑主要在40~100 nm范圍內(nèi),粒徑分布窄。通過測量ZrO2的Zeta電位和粒徑,研究了不同pH條件下水懸浮液中此ZrO2粉體的表面電荷和分散性能。發(fā)現(xiàn)ZrO2粉體的等電點(diǎn)(IEP)為pH=9.0,在遠(yuǎn)離IEP處ZrO2顆粒分散性好,而在IEP處則團(tuán)聚嚴(yán)重。"/>

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納米ZrO2 粉體的制備及其水懸浮液性能
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作者單位:

內(nèi)蒙古工業(yè)大學(xué) 材料科學(xué)與工程學(xué)院 內(nèi)蒙古自治區(qū)薄膜與涂層重點(diǎn)實(shí)驗(yàn)室,內(nèi)蒙古 呼和浩特 010051

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中圖分類號(hào):

TQ134

基金項(xiàng)目:

國家自然科學(xué)基金項(xiàng)目(面上項(xiàng)目,重點(diǎn)項(xiàng)目,重大項(xiàng)目)


Preparation of Nano-ZrO2 Powder and Properties of Its Aqueous Suspension
Author:
Affiliation:

Inner Mongolia Key Laboratory of Thin Film and Coatings, College of Materials Science and Engineering, Inner Mongolia University of Technology, Hohhot 010051, China

Fund Project:

National Natural Science Foundation of China (51964035, 62264013); Science Project of Inner Mongolia University of Technology (ZY201806)

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    摘要:

    以ZrOCl2?8H2O為鋯源,通過水熱法合成了納米二氧化鋯(ZrO2)粉體。結(jié)果表明,ZrO2顆粒為橢球形,粒徑主要在40~100 nm范圍內(nèi),粒徑分布窄。通過測量ZrO2的Zeta電位和粒徑,研究了不同pH條件下水懸浮液中此ZrO2粉體的表面電荷和分散性能。發(fā)現(xiàn)ZrO2粉體的等電點(diǎn)(IEP)為pH=9.0,在遠(yuǎn)離IEP處ZrO2顆粒分散性好,而在IEP處則團(tuán)聚嚴(yán)重。

    Abstract:

    Nanometer-sized zirconia (ZrO2) powder was synthesized from ZrOCl2·8H2O through a hydrothermal method. The aqueous suspension stability of ZrO2 powder was studied by zeta potential measurement and particle size analysis. Results show that ZrO2 nanoparticles are ellipsoidal with uniform particle size, and the particle size is mainly in the range of 40–100 nm. The isoelectric point (IEP) occurs at pH=9.0. ZrO2 particles are well dispersed far from IEP and severely agglomerated near IEP.

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郭春霞,陳偉東,閆淑芳,趙學(xué)平,張澤華,馬文.納米ZrO2 粉體的制備及其水懸浮液性能[J].稀有金屬材料與工程,2023,52(4):1283~1286.[Guo Chunxia, Chen Weidong, Yan Shufang, Zhao Xueping, Zhang Zehua, Ma Wen. Preparation of Nano-ZrO2 Powder and Properties of Its Aqueous Suspension[J]. Rare Metal Materials and Engineering,2023,52(4):1283~1286.]
DOI:10.12442/j. issn.1002-185X.20220874

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  • 收稿日期:2022-11-06
  • 最后修改日期:2022-12-09
  • 錄用日期:2023-01-05
  • 在線發(fā)布日期: 2023-04-28
  • 出版日期: 2023-04-25