Effect of pressure on the adsorption of dodecylammonium chloride at the aqueous micellar solution/hexane interface

Michio Yamanaka, Hidemi Iyota, Makoto Aratono, Kinsi Motomura, Ryohei Matuura

研究成果: Contribution to journalArticle査読

19 被引用数 (Scopus)

抄録

The effect of pressure on the adsorption behavior of dodecylammonium chloride (DAC) at the aqueous micellar solution/hexane interface has been investigated by measuring the interfacial tension as a function of pressure at concentrations around the critical micelle concentration (CMC). It has been observed that the derivative of the interfacial tension with respect to pressure changes abruptly at the CMC and there is very little change above the CMC with increasing concentration in the range studied. The volume changes associated with the adsorption of DAC from micellar state as well as from monomeric state have been evaluated by making use of the thermodynamic relations. It has been concluded that the behavior of the micelle in the limited concentration range is controlled solely by temperature and pressure and the structure of the micelle bears a resemblance to that of the adsorbed film at the interface.

本文言語英語
ページ(範囲)451-455
ページ数5
ジャーナルJournal of Colloid And Interface Science
94
2
DOI
出版ステータス出版済み - 8 1983

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 生体材料
  • 表面、皮膜および薄膜
  • コロイド化学および表面化学

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