Formation of pyrrolidinium fatty acid soap and its lyotropic liquid crystalline phase behavior
Huang, DD; Chen, X; Li ZH(李志宏); Li, ZH
刊名COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
2013
卷号426页码:55-62
关键词Lyotropic liquid crystal Lamellar phase Hydrogen bond Acid-soap complex Small angle X-ray scattering
学科分类Chemistry
DOI10.1016/j.colsurfa.2013.02.065
英文摘要The hydrogen bond induced acid-soap like complex has been prepared from a nitrogen-containing heterocyclic compound, pyrrolidine, and the myristic acid (MA). The complex composition and the intermolecular actions between two component molecules have been characterized with techniques of nuclear magnetic resonance (NMR), X-ray diffraction (XRD) and Fourier transformation infra-red (FTIR) spectroscopy. The molar ratio between the soap (pyrrolidium myristate, PM) and the acid (MA) is identified as 1:1. As an important driving force of assembly, the existence of hydrogen bond is further confirmed by a molecular mechanics calculation. It is interesting that such an acid-soap complex (PM-MA) exhibits amphiphilicity and its lyotropic liquid crystal phase in water has been observed over a wide concentration range. A lamellar phase structure is established using the polarized optical microscopy (POM) and small-angle X-ray scattering (SAXS) measurements. The change of lattice spacing indicates a typical one-dimensional swelling scheme for the uptake of water by this lamellar phase. The frequency-independent storage and loss module could be found for these lamellar samples by rheological measurements, reflecting a highly viscoelastic nature. The obtained results should add new insights to better understand the structure and aqueous behavior of long-chain fatty acid-soaps with a large size nitrogen-heterocyclic counterion. (C) 2013 Elsevier B.V. All rights reserved.
收录类别SCI
WOS记录号WOS:000318323700009
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/223806
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Huang, DD,Chen, X,Li ZH,et al. Formation of pyrrolidinium fatty acid soap and its lyotropic liquid crystalline phase behavior[J]. COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,2013,426:55-62.
APA Huang, DD,Chen, X,李志宏,&Li, ZH.(2013).Formation of pyrrolidinium fatty acid soap and its lyotropic liquid crystalline phase behavior.COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,426,55-62.
MLA Huang, DD,et al."Formation of pyrrolidinium fatty acid soap and its lyotropic liquid crystalline phase behavior".COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 426(2013):55-62.
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