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Surface Organic Modification and Characterization of Hydromagnesite
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Yulian WANG1, 2, Wanzhong YIN3, Chuang LI1, 2, 3, Zhigang YUAN1, Shuai LI1, Xu ZHAO1, Ming ZHU1, Baoqing JIN1, Tiancheng WAN1
Journal of the Chinese Ceramic Society | 2020, 48(1) : 120 - 127
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Journal of the Chinese Ceramic Society | 2020, 48(1): 120-127
Surface Organic Modification and Characterization of Hydromagnesite
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Yulian WANG1, 2, Wanzhong YIN3, Chuang LI1, 2, 3, Zhigang YUAN1, Shuai LI1, Xu ZHAO1, Ming ZHU1, Baoqing JIN1, Tiancheng WAN1
Affiliations
  • 1.School of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110159, China
  • 2.State of Key Laboratory of Mineral Processing, Beijing 100160, China
  • 3.School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China

    • WANG Yulian (1986-), female, Ph.D., Associate Professor. E-mail:

About Author:

WANG Yulian (1986-), female, Ph.D., Associate Professor. E-mail:

Published: 2020-01-20 doi: 10.14062/j.issn.0454-5648.20190131
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The surface of hydromagnesite particles were modified by a wet-modification method. The influences of type and dosage of surface modifier, slurry concentration, modification temperature and time on the contact angle and activation index of hydromagnesite particles were investigated. The modified hydromagnesite particles were characterized by contact angle measurement, X-ray diffraction, Fourier transform infrared spectroscopy, thermogravimetric analysis and scanning electron microscopy. The results show that a suitable modifier is sodium stearate and the optimum condition is slurry concentration of 50 g/L, modifier dosage of 4% (in mass fraction) of modified hydromagnesite particles, modification temperature of 75 ℃ and time of 50 min. Under the optimum condition, the contact angle of modified product is 130.9° and the activation index is 99.97%. There is little influence of surface modification on the phase composite, chemical structure, thermal decomposition and morphology of hydromagnesite particles. The essence of the modification of hydromagnesite particles is that the hydrophilic group of sodium stearate is absorbed on the particle surface due to the physical adsorption and the hydrophobic group faces outward. Therefore, the surface of hydromagnesite particles changes from hydrophilic to hydrophobic.

hydromagnesite  /  sodium stearate  /  modification  /  property
王余莲, 印万忠, 李闯, 袁志刚, 李帅, 赵旭, 朱明, 靳宝庆, 宛天成. 碱式碳酸镁的表面有机改性及性能表征. 硅酸盐学报, 2020 , 48 (1) : 120 -127 . DOI: 10.14062/j.issn.0454-5648.20190131
Yulian WANG, Wanzhong YIN, Chuang LI, Zhigang YUAN, Shuai LI, Xu ZHAO, Ming ZHU, Baoqing JIN, Tiancheng WAN. Surface Organic Modification and Characterization of Hydromagnesite[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (1) : 120 -127 . DOI: 10.14062/j.issn.0454-5648.20190131
Appendix
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Year 2020 volume 48 Issue 1
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Article Info
doi: 10.14062/j.issn.0454-5648.20190131
  • Receive Date：2019-02-28
  • Online Date：2026-10-29
  • Published：2020-01-20
Article Data
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History
  • Received：2019-02-28
  • Revised：2019-04-12
Funding
Affiliations
    1.School of Materials Science and Engineering, Shenyang Ligong University, Shenyang 110159, China
    2.State of Key Laboratory of Mineral Processing, Beijing 100160, China
    3.School of Resources & Civil Engineering, Northeastern University, Shenyang 110819, China
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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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