POLYMERS AND POLYMER MATRIX COMPOSITES |
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Microwave Hydrothermal Synthesis of Sulfonate Gemini Surfactant and Its Characterization |
LYU Bin1,2, YU Yajin1,2, GAO Dangge1,2, MA Jianzhong1,2, SU Jiaojiao1
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1 College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021 2 National Educational Reform Experimental Demonstration Center, Xi’an 710021 |
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Abstract Dodecanoic monoethanolamide maleate diester was firstly synthesized by microwave hydrothermal method with dodecanoic acid monoethanolamide and maleic acid monoester as raw materials. Then, dicarboxylic acid monoethanolamide sulfosuccinic diester was obtained after sulfonation treatment by NaHSO3. Finally, Gemini surfactant was achieved via tertiary amination of-CH2ClCOOH. Single factor experiments were conducted for the sake of optimizing synthetic process parameters. Moreover, FT-IR and 1H NMR were employed to characterized the structure of the sulfonate Gemini surfactant. The surface tension, wettability and emulsifying properties of the surfactant were also investigated. The results revealed that the prepared sulfonate Gemini surfactant was endowed with a critical micelle concentration of 1.61×10-4 mol/L, γCMC of 36.7 mN/m, wetting time of 8.87 s, and emulsification time of 415 s. Compared with the traditional methods, microwave hydrothermal synthesis of sulfo-nate Gemini surfactant featured by short reaction time and Simple operation.
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Published: 31 January 2019
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Fund:This work was financially supported by the National Natural Science Foundation Youth Fund of China (21406135), Young Science and Technology Star Project of Shaanxi Province (2016KJXX-02). |
About author:: Bin Lyu is an associate professor and master's supervisor, the youth star of Shaanxi Province Science and Technology. He is the current vice president of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, director the institute of creative materials, deputy director of the Key Laboratory of Leather Cleaner Production in China Light Industry, and concurrently member of the China Leather Association Science and Technology Commission, expert of Science and Technology Project Evaluation of Shaanxi Province. He is mainly engaged in the research of synthesis theory and mechanism of action of polymer additives (leather chemicals), and the research of inorganic/organic nanocomposites. He has published more than 50 papers, of which 10 papers were included by SCI, EI and ISTP. He participated in editing five books and applied for more than 3 international patents and 80 national invention patents, and obtains authorization of 36 national invention patents,1 utility model patent and 1 design patent. |
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