NANOSYSTEMS: PHYSICS, CHEMISTRY, MATHEMATICS, 2013, 4 (2), P. 288–293
MISCIBILITY STUDIES OF PVC/PMMA BLENDS IN TETRAHYDROFURAN BY VISCOSITY, DENSITY, REFRACTIVE INDEX AND ULTRASONIC VELOCITY METHOD
Gautam kumar sah – University Department of Chemistry (Physical Chemistry section), Lalit Narayan Mithila University, Darbhanga, India; gautamdar@gmail.com
Ashok kumar Gupta – University Department of Chemistry (Physical Chemistry section), Lalit Narayan Mithila University, Darbhanga, India; ashokkumargupta80@gmail.com
The density and Coefficient of Viscosity for Polyvinyl chloride/poly(methyl methacrylate) (PVC/PMMA) blends in tetrahydrofuran at 303.15 K and 313.15 K were measured. These measured parameters were then used to estimate few other related physical quantities like Huggin’s constants and the interaction parameters μ and α proposed by Chee and Sun et al. to identify the molecular interaction arising in the mentioned polymer blend solutions. The peculiar deviation confirms the structural changes in the solution of blends.
Keywords: viscosity, polymer blends, poly(methyl methacrylate), poly (vinyl chloride), molecular interaction.
PACS 81.05.Lg
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