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Effect of Quaternary Ammonium Salt on Adsorption Mechanism of Polycarboxylate Superplasticizers on Surface of Cement and Montmorillonite
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Zhen HUANG1, Yong YANG1, Xin SHU1, 2, Qianping RAN1, 2
Journal of the Chinese Ceramic Society | 2020, 48(8) : 1310 - 1316
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Journal of the Chinese Ceramic Society | 2020, 48(8): 1310-1316
• Research Articles •
Effect of Quaternary Ammonium Salt on Adsorption Mechanism of Polycarboxylate Superplasticizers on Surface of Cement and Montmorillonite
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Zhen HUANG1, Yong YANG1, Xin SHU1, 2, Qianping RAN1, 2
Affiliations
  • 1.State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Sobute New Materials Co. Ltd., Nanjing 211103, China
  • 2.School of Materials Science and Engineering. Southeast University, Nanjing 211189, China

    • HUANG Zhen (1986-), male, Senior Engineer. E-mail:

About Author:

HUANG Zhen (1986-), male, Senior Engineer. E-mail:

Published: 2020-08-20 doi: 10.14062/j.issn.0454-5648.20190868
Outline
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Ultraviolet labeling technology was used to enhance the ultraviolet absorption of polycarboxylate, and then the technology of ultraviolet absorption spectrum and total organic carbon analysis is used together to effectively distinguish respective adsorption behavior of polycarboxylate and quaternary ammonium salt cation molecules when they exist at the same time, and the interaction between three typical quaternary ammonium salt cations and polycarboxylate in cement montmorillonite system is studied systematically. The results show that the adsorption of polycarboxylate on the cement surface is not affected by the small molecular quaternary ammonium salt, the Gemini quaternary ammonium salt can promote the adsorption of polycarboxylate, the polymer quaternary ammonium salt can inhibit the adsorption of polycarboxylate water reducer on the cement surface. And the three quaternary ammonium salts can effectively inhibit the adsorption of polycarboxylate water reducer on the surface of montmorillonite when doped as 2.5×10-4. The effect of Gemini quaternary ammonium salt and polymer quaternary ammonium salt is more obvious. The inhibition effect of Gemini quaternary ammonium salt is stronger at low dosage, while the inhibition effect of polymer quaternary ammonium salt at high dosage is better.

polycarboxylate superplasticizer  /  clay  /  quaternary ammonium  /  adsorption sacrificial agent  /  adsorption
黄振, 杨勇, 舒鑫, 冉千平. 季铵盐对聚羧酸减水剂在水泥-蒙脱土表面吸附的影响. 硅酸盐学报, 2020 , 48 (8) : 1310 -1316 . DOI: 10.14062/j.issn.0454-5648.20190868
Zhen HUANG, Yong YANG, Xin SHU, Qianping RAN. Effect of Quaternary Ammonium Salt on Adsorption Mechanism of Polycarboxylate Superplasticizers on Surface of Cement and Montmorillonite[J]. Journal of the Chinese Ceramic Society, 2020 , 48 (8) : 1310 -1316 . DOI: 10.14062/j.issn.0454-5648.20190868
Appendix
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Year 2020 volume 48 Issue 8
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Article Info
doi: 10.14062/j.issn.0454-5648.20190868
  • Receive Date：2019-12-30
  • Online Date：2026-10-29
  • Published：2020-08-20
Article Data
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History
  • Received：2019-12-30
  • Revised：2020-02-15
Funding
Affiliations
    1.State Key Laboratory of High Performance Civil Engineering Materials, Jiangsu Sobute New Materials Co. Ltd., Nanjing 211103, China
    2.School of Materials Science and Engineering. Southeast University, Nanjing 211189, China

Corresponding:

YANG Yong (1983-), male, Professor. 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
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Genus		 种数
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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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