Synthesis of new betaine-type amphoteric surfactants from tall oil fatty acid |
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| Authors: | Shi-Fa Wang Takeshi Furuno and Zhi Cheng |
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| Institution: | (1) Faculty of Science and Engineering, Shimane University, 690-8504 Matsue, Japan;(2) College of Chemical Engineering of Forest Products, Nanjing Forestry University, 210037 Nanjing, China |
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| Abstract: | Two new betaine-type amphoteric surfactants — betaineN,N'-dihydroxyethyl-N-ethyl fatty acid ester and ammoniumN-(fatty acid ester) ethyl-N,N-bis (2-hydroxyethyl)-3-(2-hydroxypropyl) sulfonate — were synthesized using tall oil fatty acids as the raw materials. Processing conditions suitable for synthesizing the intermediates and final products were probed. In addition, the chemical structures of the intermediates and the final products were identified by infrared spectroscopy, hydrogen nuclear magnetic resonance spectroscopy, and elemental analysis. |
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| Keywords: | Tall oil fatty acid Amphoteric surfactant Betaine type |
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