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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.8b00825
|2 doi
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|a pubmed24n0940.xml
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|a (DE-627)NLM282210989
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|a (NLM)29565594
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Huang, Yue
|e verfasserin
|4 aut
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| 245 |
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|a Synthesis, Properties, and Aggregation Behavior of Tetrasiloxane-Based Anionic Surfactants
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|c 2018
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 10.09.2018
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|a Date Revised 10.09.2018
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Three silicone surfactants, 3-tris(trimethylsiloxy)silylpropyl sulfonate with different alkaline counterions (lithium, sodium, and potassium), were synthesized for the first time. Their chemical structures were confirmed by FT-IR spectra, 1H NMR, and ESI-MS, and their behaviors in aqueous solutions were investigated by surface tensiometry, electrical conductivity, dynamic light scattering, and different transmission electron microscopy techniques. These anionic silicone surfactants exhibited remarkable surface activity and could reduce the surface tension of water to as low as 19.8 mN/m at the critical aggregate concentration (CAC). The adsorption and aggregation behaviors of these surfactants were assessed by determining the adsorption efficiency, minimum average area per surfactant molecule, and thermodynamic parameters. The cryo-TEM results verified that these molecules could form vesicles in water above the CAC. Moreover, the lowest surface tension, the smallest CAC value, and the largest aggregate size have been reached with potassium counterions. Thus, the different behavior of these surfactants in water can be explained by the different sizes of the hydrated ions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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1 |
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|a Meng, Lina
|e verfasserin
|4 aut
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1 |
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|a Guo, Mengdong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Peijian
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Hongyan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Shuwen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Jie
|e verfasserin
|4 aut
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| 700 |
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|a Feng, Shengyu
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 34(2018), 14 vom: 10. Apr., Seite 4382-4389
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:34
|g year:2018
|g number:14
|g day:10
|g month:04
|g pages:4382-4389
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|u http://dx.doi.org/10.1021/acs.langmuir.8b00825
|3 Volltext
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