低温配位-沉淀法合成疏水ZnO及提高泡沫稳定性的应用

引用本文: 顾少楠, 李文军, 罗文利, 常志东, 周花蕾. 低温配位-沉淀法合成疏水ZnO及提高泡沫稳定性的应用[J]. 无机化学学报, 2015, (3): 594-602. doi: 10.11862/CJIC.2015.069 shu

Citation: GU Shao-Nan, LI Wen-Jun, LUO Wen-Li, CHANG Zhi-Dong, ZHOU Hua-Lei. Hydrophobic ZnO: Low Temperature Complex-Precipitate Synthesis and Application in Improving Foam Stability[J]. Chinese Journal of Inorganic Chemistry, 2015, (3): 594-602. doi: 10.11862/CJIC.2015.069 shu

低温配位-沉淀法合成疏水ZnO及提高泡沫稳定性的应用

顾少楠 ^1, ,
李文军 ^{1,
,} ,
罗文利 ^2, ,
常志东 ^1, ,
周花蕾 ^1,

1.
1 北京科技大学功能分子与晶态材料科学与应用北京市重点实验室, 北京 100083;
2.
2 中国石油, 提高石油采收率国家重点实验室, 北京 100083

通讯作者: 李文军 wjli@sas.ustb.edu.cn

基金项目:
国家自然科学基金(No. 21276022)资助项目。 (No. 21276022)

摘要: 以Zn(NO₃)₂·6H₂O为原料, 25%氨水为配位剂, 用NaOH做沉淀剂, 十六烷基三甲溴化铵(CTAB)为改性剂制备了具有不同表面接触角的氧化锌微球。采用X射线衍射, 扫描电镜和表面ζ电位技术对其进行了表征, 并对合成过程中体系中的组分分布以及各组分对形貌的影响进行了分析。泡沫稳定性的实验结果表明：颗粒质量浓度为0.03%, 接触角为52.9°的氧化锌颗粒具有对泡沫最强的稳定作用。同时对颗粒的疏水改性和提高泡沫性的机理进行了讨论。

关键词:

氧化锌;配位沉淀;形貌可控;疏水效应;泡沫稳定性

English

Hydrophobic ZnO: Low Temperature Complex-Precipitate Synthesis and Application in Improving Foam Stability

1.
1 Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, University of Science and Technology Beijing, Beijing 100083, China;
2.
2 Research Institute of Petroleum Exploration and Development, Petro China, Beijing 100083, China

Corresponding author: 李文军 wjli@sas.ustb.edu.cn

Received Date: 17 October 2014
Fund Project:
国家自然科学基金(No. 21276022)资助项目。

Abstract: Using Zn(NO₃)₂·6H₂O as raw material, 25% ammonia as complexing agent and NaOH as precipitant, ZnO micro-spheres were synthesized by low temperature complex-precipitate(LTCP) method. The species distribution in the system was also analyzed. XRD and SEM were employed to characterize ZnO samples. The SEM images demonstrate that the uniform micro-spheres are about 2 μm. The morphology of the samples appears as micro-rods and as irregular polyhedrons without addition of NaOH or ammonia. ZnO micro-spheres were hydrophobically modified by varies amounts of cetyltrimethylammonium bromide(CTAB) in order to obtain different contact angles. Meanwhile, the process for surfactant molecules absorption on ZnO micro-spheres surface was discussed. The results of foam stability reveal that 0.03wt% ZnO micro-sphere with surface contact angle of 52.9° makes the greatest contribution to improving the stability of foams.

Key words:

zinc oxide;complex-precipitate;morphology tunable;hydrophobic effect;foam stability

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

低温配位-沉淀法合成疏水ZnO及提高泡沫稳定性的应用

通讯作者: 李文军 wjli@sas.ustb.edu.cn

English

Hydrophobic ZnO: Low Temperature Complex-Precipitate Synthesis and Application in Improving Foam Stability

Corresponding author: 李文军 wjli@sas.ustb.edu.cn

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

低温配位-沉淀法合成疏水ZnO及提高泡沫稳定性的应用

通讯作者: 李文军 wjli@sas.ustb.edu.cn

English

Hydrophobic ZnO: Low Temperature Complex-Precipitate Synthesis and Application in Improving Foam Stability

Corresponding author: 李文军 wjli@sas.ustb.edu.cn

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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