ICCAS OpenIR
Micelle formation and aggregate morphology transition from vesicle to rod micelle for allyl alkyldimethylammonium bromide cationic surfactant
Wang, Xiangying1,2; Zhu, Jianlin1,3; Wang, Jinben2; Zeng, Guangmin1
2008
Source PublicationJOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY
ISSN0193-2691
Volume29Issue:1Pages:83-88
AbstractA series of cationic surfactants of allyl alkyldimethylammonium bromide (AA(n)DB), where n = 12, 16, 18, were synthesized, and the adsorption behavior of AA(n)DB at the air-water interface and the aggregation morphology in bulk solution were reported. The critical micelle concentration (CMC) was determined by the drop volume technique and steady state fluorescence. The surface excess concentration of AA(n)DB surfactants was calculated from the surface tension versus log concentration curves by applying the Gibbs' adsorption isotherm. The values of surface area per molecule calculated by using Gibbs' equation were 2.9-1.4 nm(2), indicating the relatively large size of the AA(n)DB surfactants. Dynamic light scattering (DLS) and transmission electron microscopy (TEM) measurements reveal that, at low surfactant concentration of allyl dodecyl dimethylammonium bromide (AA(12)DB) above CMC, vesicles can be spontaneously formed. However, with increasing surfactant concentration, vesicles tend to be transformed into rod-like micelles.
KeywordCationic Surfactant Gibbs' Adsorption Isotherm Critical Micelle Concentration
DOI10.1080/01932690701688458
Indexed BySCI
Language英语
WOS IDWOS:000251991200012
PublisherTAYLOR & FRANCIS INC
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63494
Collection中国科学院化学研究所
Corresponding AuthorWang, Xiangying
Affiliation1.Hunan Univ, Coll Environm Sci & Engn, Hunan 410082, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
3.Ningbo Univ, Fac Architectural Civil Engn & Environm, Ningbo, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xiangying,Zhu, Jianlin,Wang, Jinben,et al. Micelle formation and aggregate morphology transition from vesicle to rod micelle for allyl alkyldimethylammonium bromide cationic surfactant[J]. JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY,2008,29(1):83-88.
APA Wang, Xiangying,Zhu, Jianlin,Wang, Jinben,&Zeng, Guangmin.(2008).Micelle formation and aggregate morphology transition from vesicle to rod micelle for allyl alkyldimethylammonium bromide cationic surfactant.JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY,29(1),83-88.
MLA Wang, Xiangying,et al."Micelle formation and aggregate morphology transition from vesicle to rod micelle for allyl alkyldimethylammonium bromide cationic surfactant".JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY 29.1(2008):83-88.
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