ICCAS OpenIR
A facile route to design pH-responsive viscoelastic wormlike micelles: Smart use of hydrotropes
Lin, Yiyang1; Han, Xue1; Huang, Jianbin1; Fu, Honglan2; Yu, Cailan3
2009-02-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE
ISSN0021-9797
Volume330Issue:2Pages:449-455
AbstractA simple and effective route to design pH-responsive viscoelastic wormlike micelles based on commercial compounds is reported. According to this route, pH-sensitive viscoelastic fluids can be easily obtained by introducing a pH-responsive hydrotrope into a surfactant solution. In this paper, the mixed system of cetyltrimethylammonium bromide (CTAB) and potassium phthalic acid (PPA) was studied in detail. This pH-sensitive fluid can be switched between a gellike state and a waterlike state within a narrow pH change. Rheology and DLS results revealed that the pH-sensitive flowing behavior was attributed to the microstructure transition between wormlike micelles and short cylindrical micelles. Combined with fluorescence anisotropy, NMR, and UV-vis, it was demonstrated that the pH response of viscoelastic fluid originated from the different binding abilities of hydrotrope to surfactant as pH varies. Furthermore, different kinds of hydrotropes can be utilized to prepare pH-responsive viscoelastic fluids in the desired pH areas. (C) 2008 Elsevier Inc. All rights reserved.
KeywordPh Responsive Wormlike Micelle Viscoelastic Fluid Hydrotrope
DOI10.1016/j.jcis.2008.10.071
Indexed BySCI
Language英语
WOS IDWOS:000262760600029
PublisherACADEMIC PRESS INC ELSEVIER SCIENCE
Citation statistics
Cited Times:125[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65880
Collection中国科学院化学研究所
Corresponding AuthorHuang, Jianbin
Affiliation1.Peking Univ, BNLMS, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
2.Peking Univ, Coll Life Sci, Beijing 100871, Peoples R China
3.Chinese Acad Sci, Inst Chem, CAS Key Lab Photochem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Lin, Yiyang,Han, Xue,Huang, Jianbin,et al. A facile route to design pH-responsive viscoelastic wormlike micelles: Smart use of hydrotropes[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2009,330(2):449-455.
APA Lin, Yiyang,Han, Xue,Huang, Jianbin,Fu, Honglan,&Yu, Cailan.(2009).A facile route to design pH-responsive viscoelastic wormlike micelles: Smart use of hydrotropes.JOURNAL OF COLLOID AND INTERFACE SCIENCE,330(2),449-455.
MLA Lin, Yiyang,et al."A facile route to design pH-responsive viscoelastic wormlike micelles: Smart use of hydrotropes".JOURNAL OF COLLOID AND INTERFACE SCIENCE 330.2(2009):449-455.
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