Some Physicochemical Measurements of Chitosan/Starch Polymers in Acetic Acid-Water Mixtures

Authors

  • Virpal Singh,

    Corresponding author
    1. Department of Chemical Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur (Punjab) 148106, India
    • Department of Chemical Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur (Punjab) 148106, India.
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  • Kamlesh Kumari

    1. Department of Chemical Technology, Sant Longowal Institute of Engineering and Technology, Longowal, Sangrur (Punjab) 148106, India
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Abstract

Summary: Physicochemical properties of chitosan/starch solution have been studied. Chitosan/starch solutions of different concentrations (90/10, 80/20, 70/30, 60/40, 50/50, 40/60, 30/70, 20/80, 10/90) are prepared in dilute acetic acid solution (1%, 2%, 3%, 4%). It is observed that the solution of chitosan/starch is miscible over entire range of concentration. The solution properties such as viscosity, density and refractive index are measured. The influence of concentration of solution and speed of rotation on shear stress and shear rate are also determined for polymer solution.

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