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| Synthesis of novel quaternary ammonium surfactants containing adamantane |
| Jian Wei Guo*, Xing Zhong, Hua Zhu, Li Juan Feng, Ying De Cui |
| Faculty of Chemical Engineering & Light Industry, Guangdong University of Technology, Guangzhou 510006, China |
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Abstract A series of novel quaternary ammonium surfactants containing adamantane were designed and synthesized from 1-adamantanecarboxylic acid. The structures of target surfactants were confirmed by 1H NMR, elements analysis and FTIR. Surface properties of these surfactants were investigated. Due to the lipophilicity of adamantane, the CMC and C20 values of the synthesized quaternary ammonium surfactants are lower than that of conventional quaternary ammonium surfactants.
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