Interfacial Properties of Alkylbenzene Sulfonates Ternary Mixtures
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Abstract
Dynamic interfacial tension (IFT) behaviors of dialkylbenzene sulfonate (DAS)/heavy alkylbenzene sulfonate (HABS)/dodecylbenzene sulfonate (LAS) ternary mixture solutions against a homologous series of alkanes were studied. On the basis of our experimental results, one can find that the lipophilic ability of DAS was stronger than that of HABS. At the lower content of LAS, the ternary system was oil soluble; at the higher content of LAS, the ternary system was water soluble. An IFT in the 10–3 mN/m range can be obtained for the ternary system against long-chain alkanes (decane, dodecane) under the condition that the content of LAS was 30 %. A dynamic IFT of 10–4 mN/m order of magnitude was observed against decane. The hydrophilic-lipophilic ability of the surfactant plays an important role in dynamic IFT behavior. With increasing content of LAS, the alkane carbon number of ternary mixture solutions for producing the lower IFT had a tendency to lower.
Kurzfassung
Die dynamischen Grenzflächenspannungen (ITF) ternärer Mischungen aus Dialkylbenzensulfonat (DAS), schweres Alkylbenzensulfonat (HABS), Dodecylbenzensulfonat (LAS) gegen eine homologe Alkanreihe wurden untersucht. Unsere Ergebnisse zeigten, dass die Lipophilie von DAS stärker ausgeprägt ist als die von LAS. Bei geringerem Gehalt an LAS war das ternäre System öllöslich, bei höherem LAS-Gehalt war es wasserlöslich. Eine Grenzflächenspannung in der Größenordnung von 10–3 mN/m wurde für ternäre Systeme mit langkettigen Alkanen (Decan, Dodecan) erhalten, sofern der Gehalt an LAS 30 % beträgt. Eine ITF in der Größenordnung von 10–4 mN/m wurde mit Decan erhalten. Die hydrophilen-lipophilen Eigenschaften des Tensids sind für die dynamischen Grenzflächenspannungen von großer Bedeutung. Mit steigendem LAS-Gehalt hat die Anzahl der C-Atome des Alkans in der ternären Mischung, die für die Erzeugung niedriger ITFs nötig ist, eine abnehmende Tendenz.
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© 2015, Carl Hanser Publisher, Munich
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Articles in the same Issue
- Contents/Inhalt
- Contents
- Review Article
- Polyphenolics-Phospholipid Complexes as Natural Cosmetic Ingredients: Properties and Application
- Cleaning and Hygiene
- Construction of a Virtual Washing Machine
- Larger Washing Machines and Smaller Household Size – How Can They Fit Together? Simulation of a Sustainable Use of Washing Machines
- Development of a Method for the Analysis of Microbial Load Reduction Factors on Dishes Cleaned by Hand and by Machine
- Environmental Chemistry
- A new Iodobismuthate Method with a Low Volume Filtration Device as a New Tool for the Determination of Microgram Oxyethylate Amounts
- Synthesis
- Hybrid Biosurfactant: Syntheses of Hybrid Corynomycolic Acid and its Monolayer Formation
- Efficient Synthesis of Nanostructured Poly(aniline-co-m-aminobenzoic acid) Copolymer in Presence of DBSA Surfactant
- Physical Chemistry
- Study of Mixed Micelles of Promethazine Hydrochloride (PMT) and Nonionic Surfactant (TX-100) Mixtures at Different Temperatures and Compositions
- Application
- Study of Underwater Contact Angles for Formulation of Fatliquoring Emulsions Using Green Surfactants
- Interfacial Properties of Alkylbenzene Sulfonates Ternary Mixtures