Interfacial Behavior of Polymer Colloids

I. Surface Excess Thermodynamic Properties of Aqueous Cellulose Ether Solutions
  • James A. Wingrave


The surface tensions of aqueous solutions of variously substituted cellulose ether surfactants were measured over the complete concentration range and at varying temperatures. The surface excess thermodynamic expressions for these surfactant systems are derived and used to calculate the characteristic interracial thickness parameter, the surface excess interracial adsorption of the surfactants and the surface excess entropy, enthalpy, and free energy of the respective solutions. The relationship of these properties to the molecular structure of the cellulose ether surfactant molecules is discussed. From this analysis, several conclusions regarding physical properties such as protective colloid behavior can be made.


Surface Tension Critical Micelle Concentration Interfacial Behavior Cellulose Ether Anhydroglucose Unit 


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Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • James A. Wingrave
    • 1
  1. 1.Chemicals Research Division, 203 Technical Service CenterContinental Oil CompanyPonca CityUSA

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