Line tension and wetting behavior of an air/hexadecane/aqueous surfactant system

Youichi Takata; Hiroki Matsubara; Yoshimori Kikuchi; Norihiro Ikeda; Takashi Matsuda; Takanori Takiue; Makoto Aratono

doi:10.1021/la040098l

Line tension and wetting behavior of an air/hexadecane/aqueous surfactant system

Youichi Takata, Hiroki Matsubara, Yoshimori Kikuchi, Norihiro Ikeda, Takashi Matsuda, Takanori Takiue, Makoto Aratono

Research output: Contribution to journal › Article › peer-review

28 Citations (Scopus)

Abstract

The line tension of an air/hexadecane/aqueous solution of an dodecyltrimethylammonium bromide (DTAB) system was measured as a function of the molality of DTAB at 298.15 K by means of a newly constructed apparatus. It was estimated to be on the order of 10^-10-10^-12 N, which is comparable to the theoretical estimation. Furthermore, its sign was reversed from positive to negative in the vicinity of the wetting transition concentration. The reversal of the sign was examined on the basis of our experimental findings on the wetting transition and the theory of Indekeu.

Original language	English
Pages (from-to)	8594-8596
Number of pages	3
Journal	Langmuir
Volume	21
Issue number	19
DOIs	https://doi.org/10.1021/la040098l
Publication status	Published - Sept 13 2005

All Science Journal Classification (ASJC) codes

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la040098l

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abstract = "The line tension of an air/hexadecane/aqueous solution of an dodecyltrimethylammonium bromide (DTAB) system was measured as a function of the molality of DTAB at 298.15 K by means of a newly constructed apparatus. It was estimated to be on the order of 10-10-10-12 N, which is comparable to the theoretical estimation. Furthermore, its sign was reversed from positive to negative in the vicinity of the wetting transition concentration. The reversal of the sign was examined on the basis of our experimental findings on the wetting transition and the theory of Indekeu.",

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T1 - Line tension and wetting behavior of an air/hexadecane/aqueous surfactant system

AU - Takata, Youichi

AU - Matsubara, Hiroki

AU - Kikuchi, Yoshimori

AU - Ikeda, Norihiro

AU - Matsuda, Takashi

AU - Takiue, Takanori

AU - Aratono, Makoto

PY - 2005/9/13

Y1 - 2005/9/13

N2 - The line tension of an air/hexadecane/aqueous solution of an dodecyltrimethylammonium bromide (DTAB) system was measured as a function of the molality of DTAB at 298.15 K by means of a newly constructed apparatus. It was estimated to be on the order of 10-10-10-12 N, which is comparable to the theoretical estimation. Furthermore, its sign was reversed from positive to negative in the vicinity of the wetting transition concentration. The reversal of the sign was examined on the basis of our experimental findings on the wetting transition and the theory of Indekeu.

AB - The line tension of an air/hexadecane/aqueous solution of an dodecyltrimethylammonium bromide (DTAB) system was measured as a function of the molality of DTAB at 298.15 K by means of a newly constructed apparatus. It was estimated to be on the order of 10-10-10-12 N, which is comparable to the theoretical estimation. Furthermore, its sign was reversed from positive to negative in the vicinity of the wetting transition concentration. The reversal of the sign was examined on the basis of our experimental findings on the wetting transition and the theory of Indekeu.

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Line tension and wetting behavior of an air/hexadecane/aqueous surfactant system

Abstract

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