Determination of the Intrinsic Viscosity and Molecular Weight of Poly(methyl methacrylate) Blends

Abstract

PMMA blends were synthesized through atom transfer radical polymerization (ATRP) method under at different concentration ratios. The viscosity characteristics of the structure were investigated to determine the behaviour of macromolecules in blends. The viscosity characterization of the nanoparticles was determined to explain the molecular structure and interactions. The intrinsic viscosity of the blend was calculated with three different models including Huggins, Kraemer, and Rao. All blends were performed to understand the effect of additives concentration on molecular conformations and the intrinsic viscosity of the polymers. The voluminosity (V_E) and the shape factor (υ) were calculated for the blends to understand the miscibility behaviour. From experimental results, it was observed that the intrinsic viscosity was increased with the increase in the amount of substance and the solubility of the system in solution.

Keywords

• intrinsic viscosity,molecular weight,Poly(methyl methacrylate)

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