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Gelation of n-Butanol by a Catanionic Surfactant System
Lu Ting; Wang Xiao-Dong; Zhang Tao
关键词Catanionic Surfactant Physical Gel N-butanol Gelation Hydrogen Bond
刊名ACTA PHYSICO-CHIMICA SINICA
2011-02-01
DOI10.3866/PKU.WHXB20110211
27期:2页:486-490
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]ORGANIC LIQUIDS ; CATIONIC GEMINI ; BIOMATERIALS ; TRANSITION ; MOLECULES ; HYDROGELS ; GELATORS ; SALT
英文摘要The gelation of n-butanol was realized by a mixture of cationic and anionic surfactants (referred to as "catanionic surfactant"). In this study, we used sodium laurate/cetyltrimethylammonium bromide (SL/CTAB) as the catanionic surfactant. The rheological properties and microstructures of the n-butanol gel were studied using a rheometer and scanning electron microscopy (SEM). We found that the concentration and mole ratio of the catanionic surfactant affected the formation of the gel and n-butanol was only efficiently gelled in the presence of the catanionic surfactant at a suitable concentration and mole ratio. When we fixed the concentration of one component in the catanionic surfactant system, the gel viscosity increased with the concentration of the other component on the basis of gel formation. This gel was a non-Newtonian fluid and showed a shear-thinning property in rheological experiments. In addition, SEM results showed that the gel had a representative three-dimensional network structure, which was composed of zonal fibers with uniform thickness. Further investigation indicates that the hydrophobic effect between the hydrocarbon chains, the electrostatic attraction between the polar headgroups, and the hydrogen bond interaction between the surfactants and n-butanol play an important role in gel formation.
语种英语
WOS记录号WOS:000286597200034
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142347
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Liaoning Prov, Peoples R China
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Lu Ting,Wang Xiao-Dong,Zhang Tao. Gelation of n-Butanol by a Catanionic Surfactant System[J]. ACTA PHYSICO-CHIMICA SINICA,2011,27(2):486-490.
APA Lu Ting,Wang Xiao-Dong,&Zhang Tao.(2011).Gelation of n-Butanol by a Catanionic Surfactant System.ACTA PHYSICO-CHIMICA SINICA,27(2),486-490.
MLA Lu Ting,et al."Gelation of n-Butanol by a Catanionic Surfactant System".ACTA PHYSICO-CHIMICA SINICA 27.2(2011):486-490.
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