引用本文:
姜小明, 陈晓阁, 解田. 双子型阴离子表面活性剂的合成及浮选性能[J]. 应用化学,
2010, 27(6): 742-744.
doi:
10.3724/SP.J.1095.2010.90449
Citation: JIANG Xiao-Ming, CHEN Xiao-Ge, XIE Tian. Synthesis and Flotation Property of Gemini Anionic Surfactants[J]. Chinese Journal of Applied Chemistry, 2010, 27(6): 742-744. doi: 10.3724/SP.J.1095.2010.90449
Citation: JIANG Xiao-Ming, CHEN Xiao-Ge, XIE Tian. Synthesis and Flotation Property of Gemini Anionic Surfactants[J]. Chinese Journal of Applied Chemistry, 2010, 27(6): 742-744. doi: 10.3724/SP.J.1095.2010.90449
双子型阴离子表面活性剂的合成及浮选性能
English
Synthesis and Flotation Property of Gemini Anionic Surfactants
Abstract:
Three kinds of gemini anionic surfactants were synthesized through addition reaction, acylation reaction and hydrolysis from starting materials of octanoyl chloride, decanoyl chloride and lauroyl chloride.The structures of the surfactants were identified by 1H NMR, 13C NMR and IR. The values of critical miscelle concentration(cmc) and surface stress (γcmc) measured at 25℃ decrease with the increase of hydrophobic chain length of the surfactants. The gemini anionic surfactant is able to enhance the collophanite floating capability of oleic acid.
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Key words:
- gemini
- / surfactant
- / synthesis
- / flotation
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