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Aqueous solution properties of pyridinium-type perfluorinated surfactants and simulation of mixture CMC
- フォーマット:
- 論文
- 責任表示:
- Ishikawa, Kenji ; Miyagishi, Shigeyoshi ; Asakawa, Tsuyoshi
- 言語:
- 英語
- 出版情報:
- Elsevier, 2001-08-01
- 著者名:
- 掲載情報:
- Journal of Colloid and Interface Science
- ISSN:
- 0021-9797
- 巻:
- 240
- 通号:
- 1
- 開始ページ:
- 365
- 終了ページ:
- 367
- バージョン:
- author
- 概要:
- The critical micelle concentrations (CMCs) of 1,1,2,2-tetrahydroperfluoroalkylpyridinium chloride have been determined by measurements of surface tension and electrical conductivity, etc. The CMCs of perfluorinated surfactants were only abo … ut 0.02 times that of hydrocarbon one with the same carbon number. Aqueous solutions of fluorocarbon surfactants gave low surface tensions in comparison with those of hydrocarbon surfactants. The area per surfactant molecule at the airâwater interface decreased with increasing length of the fluorocarbon chain. Electromotive force measurements were made with chloride-responsive electrodes on surfactants solutions. The micelle ionization degrees decreased with increasing length of the alkyl chain. The group contribution method simulated the mixture CMCs of binary surfactants with various alkyl chain lengths. The group contribution method proved to be very useful to predict not only the mixture CMCs but also the demixing regions of binary mixtures having great differences in CMC. 続きを見る
- URL:
- http://hdl.handle.net/2297/1670
類似資料:
The Chemical Society of Japan = 日本化学会 | |
American Chemical Society |
American Chemical Society |
Dekker | |
金沢大学工学部, The Faculty of Technology, Kanazawa University | |
12
論文
Contrast variation SANS investigation of composition distributions in mixed surfactant micelles
American Chemical Society |