Hydrophobic synergism between the alkyl tails of gemini surfactants during adsorption and aggregation - Details

author：

You, Y. (You, Y..) ^[1] | Deng, Y.-S. (Deng, Y.-S..) ^[2] | Li, E.-J. (Li, E.-J..) ^[3] | Pei, X.-M. (Pei, X.-M..) ^[4] | Zhao, J.-X. (Zhao, J.-X..) ^[5]

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Abstract：

The　critical　micelle　concentration　(cmc)　and　the　concentration　reducing　20　mN　·　m-1　of　water　surface　tension　(pC20)　by　the　Gemini　surfactant　series　(m-6-m)　and　the　corresponding　monomers　(CmTABr)　were　determined　using　surface　tension　measurements.　Comparison　between　the　active　parameters　indicates　that　the　Gemini　surfactants　have　a　stronger　micellization　and　adsorption　ability　than　CmTABr,　which　is　attributed　to　the　hydrophobic　synergism　between　the　alkyl　tails　of　the　Gemini　surfactants.　The　effects　of　dissymmetry　in　the　Gemini　surfactants　(12-6-m)　on　the　micellization　and　adsorption　were　also　discussed.　The　results　showed　that　the　Gemini　surfactant　with　a　symmetric　structure　is　more　effective　in　association　and　adsorption　than　that　with　a　dissymmetric　structure.　©　Editorial　office　of　Acta　Physico-Chimica　Sinica.

Keyword：

Gemini surfactant; Hexamethylene spacer; Hydrophobic synergism between alkyl tails; Surface tension

Community：

[ 1 ] [You, Y.]Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 2 ] [Deng, Y.-S.]Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 3 ] [Li, E.-J.]Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 4 ] [Pei, X.-M.]Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China
[ 5 ] [Zhao, J.-X.]Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

Reprint 's Address：

[Zhao, J.-X.]Institute of Colloid and Interface Chemistry, College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350108, China

Email：

jxzhao.colloid@fzu.edu.cn

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Source ：

Acta Physico - Chimica Sinica

ISSN： 1000-6818

Year： 2010

Issue： 8

Volume： 26

Page： 2200-2204

0 . 7 3 4

JCR@2010

1 0 . 8 0 0

JCR@2023

JCR Journal Grade：4

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ESI Highly Cited Papers on the List： 0 Unfold All

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