ICCAS OpenIR
Interaction between poly(ethylene oxide) and monovalent dodecyl sulfates studied by neutron reflection
Cooke, DJ; Blondel, JAK; Lu, JR; Thomas, RK; Wang, YL; Han, BX; Yan, HK; Penfold, J
1998-04-14
Source PublicationLANGMUIR
ISSN0743-7463
Volume14Issue:8Pages:1990-1995
AbstractThe compositions of the air/solution interface of aqueous mixtures of lithium dodecyl sulfate (LiDS) and cesium dodecyl sulfate (CsDS) with poly(ethylene oxide) (PEO) have been studied as a function of surfactant concentration using neutron specular reflection. Comparison of the results with those for NaDS shows that for all three ionic species the polymer is progressively displaced from the surface on the addition of surfactant until it can no longer be directly detected at the critical aggregation concentration (area per segment >80 Angstrom(2)). Comparison of the behavior of the three surfactants with each other and with measurements on the noninteracting combination dodecyltrimethylammonium bromide (C(12)TAB)/PEO shows that the anionic surfactants interact favorably with PEO at the surface. The additional free energies of binding of surfactant to the surface in the presence of PEO exactly parallel the polymer/micelle binding free energies. Of the three anionics LIDS interacts most strongly, and this is also manifested in adsorption of the PEO at concentrations above the critical micelle concentration of LiDS.
Indexed BySCI
Language英语
WOS IDWOS:000073280500011
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:49[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/74362
Collection中国科学院化学研究所
Corresponding AuthorThomas, RK
Affiliation1.Univ Oxford, Phys Chem Lab, Oxford OX1 3QZ, England
2.Acad Sinica, Inst Chem, Beijing 100080, Peoples R China
3.CLRC, ISIS, Didcot OX11 0QX, Oxon, England
Recommended Citation
GB/T 7714
Cooke, DJ,Blondel, JAK,Lu, JR,et al. Interaction between poly(ethylene oxide) and monovalent dodecyl sulfates studied by neutron reflection[J]. LANGMUIR,1998,14(8):1990-1995.
APA Cooke, DJ.,Blondel, JAK.,Lu, JR.,Thomas, RK.,Wang, YL.,...&Penfold, J.(1998).Interaction between poly(ethylene oxide) and monovalent dodecyl sulfates studied by neutron reflection.LANGMUIR,14(8),1990-1995.
MLA Cooke, DJ,et al."Interaction between poly(ethylene oxide) and monovalent dodecyl sulfates studied by neutron reflection".LANGMUIR 14.8(1998):1990-1995.
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