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Microwave-Assisted Synthesis and Properties of a Novel Cationic Gemini Surfactant with the Hydrophenanthrene Structure 总被引:3,自引:0,他引:3
Weihong Jia Xiaoping Rao Zhanqian Song Shibin Shang 《Journal of surfactants and detergents》2009,12(3):261-267
A novel cationic gemini surfactant with the hydrophenanthrene structure has been synthesized from dehydroabietic acid by use
of conventional thermal conditions and microwave irradiation. Its structure was confirmed by IR, 1H NMR, and 13C NMR spectroscopy. It was found that microwave-assisted synthesis is an efficient means of preparation of this cationic gemini
surfactant, with shorter reaction times and higher yields. The title compound had high surface activity. The CMC was 3.1 × 10−5 mol L−1, γ
CMC was 26.3 mN m−1, and emulsifying power (with benzene) reached five days. Comparison of this gemini surfactant and its monomeric counterpart
proved the gemini surfactant was more surface active.
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