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化工新型材料  2019, Vol. 47 Issue (6): 164-167    
  科学研究 本期目录 | 过刊浏览 | 高级检索 |
SiO2空心球的制备与表面形貌调控
都奎山1,2, 杨兵权2,3, 宋恺2, 王鉴1*
1.东北石油大学化学化工学院,大庆163318;
2.中国科学院理化技术研究所,仿生材料与界面科学重点实验室,北京100190;
3.郑州大学材料科学与工程学院,郑州450001
Synthesis and surface morphology control of hollow silica sphere
Du Kuishan1,2, Yang Bingquan2,3, Song Kai2, Wang Jian1
1.College of Chemistry & Chemical Engineering,Northeast Petroleum University,Daqing 163318;
2.Key Laboratory of Bio-inspired Materials and Interface Science,Technical Institute of Physics and Chemistry,CAS,Beijing 100190;
3.School of Materials Science & Engineering,Zhengzhou University,Zhengzhou 450001
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摘要 以聚苯乙烯(PS)微球为模板,通过水解正硅酸乙酯来包裹PS微球,制备了PS/SiO2核壳结构微球,然后通过高温煅烧得到SiO2空心球。利用纳米粒度仪、扫描电子显微镜、透射电子显微镜分析SiO2空心球的粒径和表面形貌。采用控制变量法分别研究了PS微球表面电荷、pH、水和正硅酸乙酯的用量对SiO2空心球表面形貌的影响。实验证明,以表面带正电荷的PS微球为模板,反应体系pH=11.0,正硅酸乙酯注入速度为100μL/min时,制备的SiO2空心球表面最光滑。
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都奎山
杨兵权
宋恺
王鉴
关键词:  聚苯乙烯微球  空心球  核壳结构  表面形貌  调控    
Abstract: Polystyrene/silica core-shell microspheres were fabricated for polystyrene microsphere as template and tetraethoxysilane as silica source through sol-gel method,and hollow silica spheres were obtained by calcining at high temperature.The size and surface morphology of spheres were analyzed by Zeta potential analyzer,SEM and TEM.The surface morphology of spheres was regulated by the surface charge of PS microspheres,pH value,the amounts of water and TEOS.The experiment proved that the outer silica layer appeared smooth when the surface positively charged PS microspheres was used as template,the reaction system pH=11.0 and the injection velocity of TEOS was 100μL/min.
Key words:  PS microsphere    hollow sphere    core-shell structure    surface morphology    regulation
收稿日期:  2018-02-05                出版日期:  2019-06-20      发布日期:  2019-07-05      期的出版日期:  2019-06-20
基金资助: 国家自然科学基金(21773276)
通讯作者:  王鉴(1960-),男,教授,博士生导师,主要研究方向为聚烯烃材料的性能调控。   
作者简介:  都奎山(1991-),男,硕士,主要研究方向为空心球光子晶体液相中荧光增强。
引用本文:    
都奎山, 杨兵权, 宋恺, 王鉴. SiO2空心球的制备与表面形貌调控[J]. 化工新型材料, 2019, 47(6): 164-167.
Du Kuishan, Yang Bingquan, Song Kai, Wang Jian. Synthesis and surface morphology control of hollow silica sphere. New Chemical Materials, 2019, 47(6): 164-167.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2019/V47/I6/164
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