Synthesis and properties of novel gemini surfactant with short spacer  

作　　者：LU Ting HUANG JianBin 

机构地区：[1]Beijing National Laboratory for Molecular Sciences (BNLMS), College of Chemistry and Molecular Engineering, Peking University,Beijing 100871, China

出　　处：《Chinese Science Bulletin》2007年第19期2618-2620,共3页

基　　金：the National Natural Science Foundation of China (Grant Nos. 20633010, 20573006 and 20425310)

摘　　要：Cationic gemini surfactant dimethylene-1,2-bis(dodecyldiethylammonium bromide), referred to as C12C2C12(Et) was synthesized, and its surface property and aggregation behavior in aqueous solution were studied. The value of γ at the critical micelle concentration (γcmc) is much smaller than that of the surfactant homologues with longer spacer. Spherical and elongated micelles were formed in the aqueous solution of this gemini surfactant,and the spherical micelles were absolutely dominant compared to the elongated micelles at our studied concentration quantitatively.Cationic gemini surfactant dimethylene-1,2-bis（dodecyldiethylammonium bromide）, referred to as C12C2C12（Et） was synthesized, and its surface property and aggregation behavior in aqueous solution were studied. The value of yat the critical micelle concentration （Xcmc） is much smaller than that of the surfactant homologues with longer spacer. Spherical and elongated micelles were formed in the aqueous solution of this gemini surfactant, and the spherical micelles were absolutely dominant compared to the elongated micelles at our studied concentration quantitatively.

关 键 词：染色体 表面活性剂 胶束化作用 合成方法 

分 类 号：Q78[生物学—分子生物学]