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醇对正负离子表面活性剂双水相性质的影响 被引量：5

EFFECT OF ALCOHOL ON AQUEOUS TWO-PHASE SYSTEM PROPERTIES OF SDS/CTAB/H_2O/Na_2SO_4 SYSTEM
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摘要 The effect of alcohol on the aqueous two-phase system properties of SDS/CTAB/H 2O/Na 2SO 4 system was studied by the pseudo ternary phase diagram. The electrostatic forces (both attraction and repulsion) between cationic surfactant and anionic surfactant decreased because of the interaction of alcohol hydroxyl group and surfactant polar group. As a result, the phase area width of aqueous two-phase system increased. Long chain alcohol (more than five carbonatoms), which was in high concentration in the SDS/CTAB/H 2O/Na 2SO 4 system, caused the anionic aqueous two-phase system area to vanish and the cationic aqueous two-phase system area to become wider. The CTAB rich phase turned from top phase to bottom phase. The effect of alcohol on the aqueous two-phase system properties of SDS/CTAB/H2O/Na2SO4 system was studied by the pseudo ternary phase diagram. The electrostatic forces (both attraction and repulsion) between cationic surfactant and anionic surfactant decreased because of the interaction of alcohol hydroxyl group and surfactant polar group. As a result, the phase area width of aqueous two-phase system increased. Long chain alcohol (more than five carbon atoms), which was in high concentration in the SDS/CTAB/H2O/Na2SO4 system, caused the anionic aqueous two-phase system area to vanish and the cationic aqueous two-phase system area to become wider. The CTAB rich phase turned from top phase to bottom phase.
作者 滕弘霓 王利
机构地区 青岛科技大学化学与分子工程学院
出处 《化工学报》 EI CAS CSCD 北大核心 2004年第2期301-304,共4页 CIESC Journal
关键词 正负离子表面活性剂混合物 双水相 醇 相图 Alcohols Phase diagrams
分类号 O647.2 [理学—物理化学]
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参考文献7

  • 1Liu C L, Nikas Y J, Blankschtein D. Novel Bioseparation Using Two-phase Aqueous Micellar System. BiotechnoloKy and Bioengineering, 1996, 52:185-192.
  • 2滕弘霓,管玉翠.非离子型表面活性剂的双水相性质及萃取作用[J].化工学报,2003,54(11):1646-1649. 被引量：8
  • 3Zhao G X,Xiao J X Aqueous Two-phase Systems of the Aqueous Mixtures of Cationic—Anionic Surfactants Journal of Colloid and Interface Science,1996,177:513～518.
  • 4TongA J,WuY,Tan SD,Li L D Aqueous Two-phase System of Cationic and Anionic Surfactant Mixture and Its Application to the Extraction of Porphyfins and Metallolporphyrins.Anal.Chimica Acta,1998,369:11—16.
  • 5Teng Hongni(滕弘霓),Chen Li(陈莉),Liu H0nglai(刘洪来),Hu Ying(胡英) Study on the Phase Diagranzs of Aqueous Twophase and Microstructure of Cationic—Anionic Mixed Surfactants Aeta Chimica Sinic(化学学报),2001,59(3):383—387.
  • 6Teng Hongni(滕弘霓),Meng Lei(孟雷),Liu Nanhui(刘南辉),Liu Honglai(刘洪来).Study On the Aqueous Two-phaseSystems of SDS／CTAB／H2O／NaBr Journal of East China University of Science and Technology(华东理工大学学报),2002(2):200—203.
  • 7TengHongni(滕弘霓),un Yusheng(蔺玉胜),Wang Fei(王飞),Li Yanwei(李艳伟).Study onthe Property and Extractionof Aqueous Two-phase System of SDS／CFAB／H20 Mixture ChineseJournal ofApplied Chemistry(应用化学),2003.20(8):483—487.

二级参考文献9

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  • 9[9]Teng Hongni(滕弘霓),Meng Lei(孟雷),Liu Nanhui(刘南辉),Liu Honglai(刘洪来).Phase Behavior of SDS-CTAB-H2O-NaBr System.Journal of East China University of Science and Technology(华东理工大学学报),2002,28(2):200-203

共引文献7

同被引文献157

引证文献5

二级引证文献32

化工学报
2004年 第2期

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