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Preparation and Properties of Corrosion Inhibitor-Loaded Hollow Silica Microspheres
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Jiawen CAI1, Yue LI2, 3, Chunchun WU2, 3, Xingeng DING1, Hui YANG1, 2, 3
Journal of the Chinese Ceramic Society | 2020, 48(4) : 584 - 591
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Journal of the Chinese Ceramic Society | 2020, 48(4): 584-591
Preparation and Properties of Corrosion Inhibitor-Loaded Hollow Silica Microspheres
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Jiawen CAI1, Yue LI2, 3, Chunchun WU2, 3, Xingeng DING1, Hui YANG1, 2, 3
Affiliations
  • 1.School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China
  • 2.Zhejiang-California Nano-Systems Institute, Zhejiang University, Hangzhou 310058, China
  • 3.Research Institute of Zhejiang University-Taizhou, Taizhou 318000, Zhejiang, China

    • CAI Jiawen (1995-), male, Master candidate. E-mail:

About Author:

CAI Jiawen (1995-), male, Master candidate. E-mail:

Published: 2020-04-20 doi: 10.14062/j.issn.0454-5648.20190488
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Polystyrene microspheres were prepared via an emulsion polymerization method and used as hard templates to form hollow mesoporous silica microspheres. The structural properties of silica microspheres were characterized by scanning electron microscopy, transmission electron microscopy, thermogravity analysis, small angle X-ray diffraction, nitrogen adsorption-desorption isotherm analysis. The effects of synthesis parameters (i.e., amounts of ammonia and silane precursor) on the microsphere size, thickness and mesopore size of silica microspheres were investigated, and the optimum reaction conditions were 6.25 mL of ammonia and 10 g of tetraethylorthosilicate. The hollow microspheres as a host are loaded with benzotriazole, and then coated with a two-layer polyelectrolyte shell by a layer-by-layer deposition process. The inhibitor release profile revealed that the polyelectrolyte shell lowered the release rate of benzotriazole-loaded hollow silica microspheres by 5 times.

silicon dioxide microspheres  /  polystyrene microspheres  /  benzotriazole  /  sustained release
蔡佳文, 李跃, 吴春春, 丁新更, 杨辉. 缓蚀剂负载中空SiO2微球的制备及性能. 硅酸盐学报, 2020 , 48 (4) : 584 -591 . DOI: 10.14062/j.issn.0454-5648.20190488
Jiawen CAI, Yue LI, Chunchun WU, Xingeng DING, Hui YANG. Preparation and Properties of Corrosion Inhibitor-Loaded Hollow Silica Microspheres[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (4) : 584 -591 . DOI: 10.14062/j.issn.0454-5648.20190488
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Year 2020 volume 48 Issue 4
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Article Info
doi: 10.14062/j.issn.0454-5648.20190488
  • Receive Date：2019-07-11
  • Online Date：2026-10-29
  • Published：2020-04-20
Article Data
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History
  • Received：2019-07-11
  • Revised：2019-10-01
Funding
Affiliations
    1.School of Materials Science and Engineering, Zhejiang University, Hangzhou 310058, China
    2.Zhejiang-California Nano-Systems Institute, Zhejiang University, Hangzhou 310058, China
    3.Research Institute of Zhejiang University-Taizhou, Taizhou 318000, Zhejiang, China

Corresponding:

LI Yue (1988-), male, Ph.D., Assistant Research Fellow. E-mail:
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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