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本文研究正负离子表面活性剂与两性表面活性剂混合水溶液的表面性质,以及两性表面活性剂对正负离子裘面活性剂溶解度的影响。结果表明:(1) 两性表面活性剂的加溶作用,有助于正负离子表面活性剂的溶解;(2) 加入两性表面活性剂的量适当,混合溶液基本保持原正负离子表面活性剂的表面活性;(3) 正负离子表面活性剂与两性表面活性剂在表面层和胶团中分子间的相互作用比正负离子表面活性剂与非离子表面活性剂分子间的相互作用稍强HC-FC正负;离子表面活性剂与两性表面活性剂混合体系在表面层中有可能形成双分子或多分子层结构。
In this paper, the surface properties of mixed aqueous solution of cationic surfactant and amphoteric surfactant and the effect of amphoteric surfactants on the solubility of cationic and anionic furonic surfactants were studied. The results showed that: (1) The solubilization of amphoteric surfactants contributed to the solubilization of cationic surfactant; (2) The amount of amphoteric surfactant added was appropriate, and the mixed solution kept the surface of the original cationic surfactant (3) The interaction between the cationic surfactant and the amphoteric surfactant in the surface layer and the micelle is slightly stronger than the interaction between the positive and negative ion surfactant and the non-ionic surfactant molecule HC-FC positive Negative; ionic surfactants and amphoteric surfactant mixed system in the surface layer may form bimolecular or multi-molecular layer structure.