Effect of Anionic Surfactant on the Thermo Acoustical Properties of Sodium Dodecyl Sulphate in Polyvinyl Alcohol Solution by Ultrasonic Method | Zendy

S. Ravichandran | Zendy; C. Rathika Thaya Kumari | Zendy

Open Access

Effect of Anionic Surfactant on the Thermo Acoustical Properties of Sodium Dodecyl Sulphate in Polyvinyl Alcohol Solution by Ultrasonic Method

Author(s) -

S. Ravichandran,

C. Rathika Thaya Kumari

Publication year - 2010

Publication title -

journal of chemistry

Language(s) - English

Resource type - Journals

eISSN - 2090-9063

pISSN - 2090-9071

DOI - 10.1155/2011/741971

Subject(s) - polyvinyl alcohol , pulmonary surfactant , ultrasonic sensor , sodium dodecyl sulfate , vinyl alcohol , viscosity , materials science , sodium , surface tension , relaxation (psychology) , compressibility , chemistry , polymer , analytical chemistry (journal) , thermodynamics , chromatography , organic chemistry , composite material , biochemistry , physics , acoustics , psychology , social psychology

The interaction of sodium dodecyl sulphate (SDS) / poly(vinyl alcohol) (PVA) solution was studied by ultrasonic velocity measurements. Ultrasonic velocity, density, viscosity in mixtures of sodium dodecyl sulphate in polyvinyl alcohol was measured over the entire range of composition. From the experimental data, other related thermodynamic parameters, viz., adiabatic compressibility, intermolecular free length, surface tension, relative association, relaxation time, absorption coefficient and internal pressure were calculated. Formations of rods interfere with velocity of ultrasonic waves. Hence the ultrasonic velocity decreases with concentration. These results were interpreted in terms of polymer-surfactant complex reactions

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