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Synthesis and Properties of a Kind of Anionic Gemini Surfactant
Author(s): 
Pages: 502-505
Year: Issue:  5
Journal: JOURNAL OF EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE EDITION)

Keyword:  Gemini表面活性剂脂肪酸合成性能;
Abstract: 以丙烯酸甲酯、不同的长链脂肪酸(癸酸、月桂酸、肉豆蔻酸、棕榈酸)及乙二胺为主要原料,经过加成、酰化及皂化等反应,合成了一类Gemini型阴离子表面活性剂N,N'双脂肪酰基乙二胺二丙酸钠(DAMC).实验还对合成的表面活性剂(C10-DAMC、C12-DAMC、C14-DAMC、C16-DAMC)相关性能进行了表征.在25 ℃时,γMC分别为28.3、27.1、34.7、41.0 mN/m;临界胶束浓度(CMC)分别为3.4×10-3、9.6×10、3.8×10-4、1.3×10-4mol/L;胶束聚集数(Nm)分别为47.3、41.6、36.2、30.7.合成样品显示出优良的乳化、润湿、泡沫及耐硬水洗涤等应用性能.
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