Effect of Aromatic Ring in the Alkyl Chain on Surface Properties of Aryl Alkyl Sulfonate Surfactants
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Abstract
Surface properties of a series of aryl alkyl sulfonate surfactants were investigated. A strong structure-activity relationship was observed, depending on the variation of aromatic ring size in the hydrophobic chain. The results show that the size of aromatic ring, introduced to the carbon chain, affects their surface and thermodynamic properties. The values of critical micelle concentration (cmc), surface excess concentration (Γmax), effectiveness (Πcmc), to reduce surface tension of water, are decreased with increasing the aromatic ring size from phenyl to methylnaphthyl. While, the values of surface tension (γcmc) at cmc, Gibbs energy of micellization (ΔGmic°), and minimum area per molecule (Amin) are increased. Hence, the dominant factor of influencing on the area per molecule of aryl alkyl sulfonate surfactants would be the size of aryl alkyl chains.
Kurzfassung
Die Oberflächeneigenschaften einer Serie von Arylalkylsulfonat-Tensiden wurden untersucht. Es wurde eine starke Strukturaktivitätsbeziehung beobachtet, die abhängig ist von der Variation der aromatischen Ringgröße in der hydrophoben Kette. Die Ergebnisse zeigen, dass die Größe des aromatischen Ringes, der in der Kohlenstoffkette eingeführt ist, sich auf die Oberflächen- und thermodynamischen Eigenschaften auswirkt. Die Werte der kritischen Mizellbildungskonzentration (cmc), Oberflächenüberschusskonzentration (Γmax) und Effektivität (Πcmc) zur Verringerung der Oberflächenspannung von Wasser nehmen ab, mit Zunahme der Aromatenringgröße von Phenyl zu Methylnaphtyl, während die Werte der Oberflächenspannung (γcmc) bei der cmc, Gibbs-Energie der Mizellenbildung (ΔGmic°) und der Minimumsfläche pro Molekül (Amin) zunehmen. Demzufolge wäre die Größe der Arylalkylkette der dominante Einflussfaktor auf die Fläche pro Molekül der Arylalkylsulfonat-Tenside.
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© 2006, Carl Hanser Publisher, Munich
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Detergent Ingredient
- Hydrolysis of δ-Layered Sodium Disilicate in Ions Binding Process
- Novel Surfactants
- Polymeric Surfactants from Beechwood Glucuronoxylan
- Physical Chemistry
- Effect of Aromatic Ring in the Alkyl Chain on Surface Properties of Aryl Alkyl Sulfonate Surfactants
- New Family of Trisiloxane Surfactants
- Synthesis
- Synthesis of New Family of Dialkylaryl Disulfonate Gemini Anionic Surfactant
Articles in the same Issue
- Contents/Inhalt
- Contents
- Abstracts
- Abstracts
- Detergent Ingredient
- Hydrolysis of δ-Layered Sodium Disilicate in Ions Binding Process
- Novel Surfactants
- Polymeric Surfactants from Beechwood Glucuronoxylan
- Physical Chemistry
- Effect of Aromatic Ring in the Alkyl Chain on Surface Properties of Aryl Alkyl Sulfonate Surfactants
- New Family of Trisiloxane Surfactants
- Synthesis
- Synthesis of New Family of Dialkylaryl Disulfonate Gemini Anionic Surfactant