Microstructural Parameters of HPMC/PVP Polymer Blends Using Wide Angle X-Ray Technique

Authors

  • Y. Prakash Department of Physics Yuvaraja's College, University of Mysore, Mysore-570005, India
  • D Mahadevaiah Department of Polymer Science, Sir M.V.P.G.Center, Mandya, India
  • H. Somashekarappa Department of Physics Yuvaraja's College, University of Mysore, Mysore-570005, India
  • T. Demappa Department of Polymer Science, Sir M.V.P.G.Center, Mandya, India
  • R. Somashekar Department of Studies in Physics, University of Mysore, Manasagangothri, Mysore-570006, India

DOI:

https://doi.org/10.6000/1929-5995.2012.01.01.4

Keywords:

Polymer blends, Crystallite size, Tensile strength, WAXS

Abstract

Hydroxypropylemethylecellulose (HPMC) and Polyvinylpyrrolidone (PVP) polymer virgin and blend films were prepared and investigated using wide angle X-ray scattering method. Microstructural parameters like lattice strain (g %), the crystallite size for individual the Bragg’s reflection (hkl) have been computed using line profile analysis and hence by whole pattern fitting method. The X-ray diffraction study reveals that the blending of PVP decreases the crystallanity of HPMC up to 5:4 concentration and then increases. Measured tensile strength decreases, Young’s Modulus decreases, and % elongation increases as the concentration of PVP increases. The surface morphology investigated using scanning electron microscope, shows that the two polymers were miscible in all concentration range.

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Published

2012-11-01

How to Cite

Prakash, Y., Mahadevaiah, D., Somashekarappa, H., Demappa, T., & Somashekar, R. (2012). Microstructural Parameters of HPMC/PVP Polymer Blends Using Wide Angle X-Ray Technique. Journal of Research Updates in Polymer Science, 1(1), 24–31. https://doi.org/10.6000/1929-5995.2012.01.01.4

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