Abstract

The organization behaviour of a series of polyoxyethylated alkyl ethers(POEs) of variable hydrophilic and hydrophobic chain length was investigated using surface tensiometry technique. The surface tension of the aqueous solution of POEs was observed to decrease with concentrations of POEs till a plateau was reached. The POEs were adsorbed at the air-water interface with oxyethylene heads in contact with water and hydrocarbon being protruded to the air. The critical micellar concentration, surface molecular excess, free energy of adsorption, free energy of micellization, etc., and parking area of the ether at the air-water interface estimated from surface tension datawere found to depend on both hydrocarbon and oxyethylene chain length. The schematic model of organization was presented

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