Synthesis method of anion and zwitterion composite surfactant
The invention belongs to the technical field of daily chemical materials, and discloses a synthesis method of an anion and zwitterion composite surfactant. The synthesis method comprises the following steps: carrying out amidation reaction on fatty acid and amino acid salt at 100-250 DEG C to obtain...
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| creator | WU HAILONG LIU KANG HUANG YANGSEN HU XIANLEI LI QIURU JIE YUWANG LI ZEYONG TAN JIE |
| description | The invention belongs to the technical field of daily chemical materials, and discloses a synthesis method of an anion and zwitterion composite surfactant. The synthesis method comprises the following steps: carrying out amidation reaction on fatty acid and amino acid salt at 100-250 DEG C to obtain an anionic surfactant of residual fatty acid, then adding N, N-dimethyl-1, 3-propane diamine for continuous reaction to obtain an anionic surfactant containing a fatty acid amide propyl dimethyl tertiary amine intermediate, and then adding N, N-dimethyl-1, 3-propane diamine for continuous reaction to obtain the fatty acid amide propyl dimethyl tertiary amine. And adding a quaternization reagent to carry out quaternization reaction or adding an oxidizing agent to carry out oxidation reaction to obtain the anion and zwitterion composite surfactant. The method provided by the invention not only effectively solves the problems of low conversion rate and high fatty acid residue always existing in synthesis of the amino |
| format | Patent |
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The synthesis method comprises the following steps: carrying out amidation reaction on fatty acid and amino acid salt at 100-250 DEG C to obtain an anionic surfactant of residual fatty acid, then adding N, N-dimethyl-1, 3-propane diamine for continuous reaction to obtain an anionic surfactant containing a fatty acid amide propyl dimethyl tertiary amine intermediate, and then adding N, N-dimethyl-1, 3-propane diamine for continuous reaction to obtain the fatty acid amide propyl dimethyl tertiary amine. And adding a quaternization reagent to carry out quaternization reaction or adding an oxidizing agent to carry out oxidation reaction to obtain the anion and zwitterion composite surfactant. 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| title | Synthesis method of anion and zwitterion composite surfactant |
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