THE PHYSIOCHEMICAL PROPERTIES AND AGGREGATION BEHAVIOR OF CATIONRICH CATANIONIC MIXTURES OF A BETAINE ESTER SURFACTANT (DODECYL BETAINATE) AND DODECYL SULPHATE SODIUM (SDS)

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Aghdas tinat H.; JAVADIAN S.

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Seminar: IRANIAN CHEMISTRY CONGRESS
Year:2013 | Issue:16

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Title

THE PHYSIOCHEMICAL PROPERTIES AND AGGREGATION BEHAVIOR OF CATIONRICH CATANIONIC MIXTURES OF A BETAINE ESTER SURFACTANT (DODECYL BETAINATE) AND DODECYL SULPHATE SODIUM (SDS)

Author(s)

Aghdas tinat H. | JAVADIAN S. | Issue Writer Certificate

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Abstract

BETAINE ESTERS OF LONG-CHAIN ALCOHOLS ARE CATIONIC SURFACTANTS CONTAINING AN EASILY HYDROLYSABLE ESTER BOND [1, 2]. BETAINE ESTERS ARE INTERESTING CANDIDATES FOR APPLICATIONS IN SYSTEMS SUCH AS COSMETICS, FOOD, AND FEED [2].THE AQUEOUS MIXTURES OF ANIONIC AND CATIONIC SURFACTANTS HAVE UNIQUE PHASE BEHAVIOR AND PHYSIOCHEMICAL PROPERTIES THAT ARISE FROM THE STRONG ELECTROSTATIC INTERACTIONS BETWEEN OPPOSITELY CHARGED HEAD GROUPS [3]. FOR EXAMPLE, A STABLE VESICLE, A LONG ROD-LIKE MICELLE OR A CYLINDRICAL MICELLE CAN BE FORMED AT AN APPROPRIATE RATIO OF ANIONIC-TO-CATIONIC SURFACTANT. IN THIS WORK, THE PHYSIOCHEMICAL PROPERTIES AND AGGREGATION BEHAVIOR OF CATION-RICH CATANIONIC MIXTURES OF A BETAINE ESTER SURFACTANT (DODECYL BETAINATE) AND DODECYL SULPHATE SODIUM (SDS) WAS INVESTIGATED USING SURFACE TENSION, ELECTRICAL CONDUCTIVITY AND DYNAMIC LIGHT SCATTERING MEASUREMENTS. DIFFERENT PHYSICOCHEMICAL PROPERTIES SUCH AS THE CRITICAL MICEL LE CONCENTRATION, DEGREE OF COUNTER ION DISSOCIATION (A), INTERFACIAL PROPERTIES, GIBBS FREE ENERGY OF MICELLIZATION, AGGREGATION NUMBERS, SIZE AND ZETA POTENTIAL OF AGGREGATES WERE DETERMINED. THE INTERACTIONS BETWEEN TWO SURFACTANTS WERE ANALYZED ON THE BASIS OF REGULAR SOLUTION THEORY, BOTH FOR MIXED MONOLAYERS AT THE AIR/ LIQUID INTERFACE (BD) AND FOR MIXED MICELLES (BM).LARGE NEGATIVE VALUE OF BM=-21.39 INDICATE A STRONG ATTRACTIVE INTERACTION BETWEEN DODECYL BETAINATE AND SDS. IT WAS FOUND THAT THE SUR FACE ACTIVITY OF MIXED SURFACTANTS IS BETTER THAN THE INDIVIDUAL SURFACTANTS.

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APA: Copy

Aghdas tinat, H., & JAVADIAN, S.. (2013). THE PHYSIOCHEMICAL PROPERTIES AND AGGREGATION BEHAVIOR OF CATIONRICH CATANIONIC MIXTURES OF A BETAINE ESTER SURFACTANT (DODECYL BETAINATE) AND DODECYL SULPHATE SODIUM (SDS). IRANIAN CHEMISTRY CONGRESS. SID. https://sid.ir/paper/915711/en

Vancouver: Copy

Aghdas tinat H., JAVADIAN S.. THE PHYSIOCHEMICAL PROPERTIES AND AGGREGATION BEHAVIOR OF CATIONRICH CATANIONIC MIXTURES OF A BETAINE ESTER SURFACTANT (DODECYL BETAINATE) AND DODECYL SULPHATE SODIUM (SDS). 2013. Available from: https://sid.ir/paper/915711/en

IEEE: Copy

H. Aghdas tinat, and S. JAVADIAN, “THE PHYSIOCHEMICAL PROPERTIES AND AGGREGATION BEHAVIOR OF CATIONRICH CATANIONIC MIXTURES OF A BETAINE ESTER SURFACTANT (DODECYL BETAINATE) AND DODECYL SULPHATE SODIUM (SDS),” presented at the IRANIAN CHEMISTRY CONGRESS. 2013, [Online]. Available: https://sid.ir/paper/915711/en

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