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The intermolecular interaction between polyvinyl alcohol (PVA) and poly methylmethacrylate (PMMA) in N, N′-dimethyl formamide (DMF) and tetrahydro furan (THF) at various composition ranges was studied at 25°C using a dilute solution viscometry method. Solvent is believed to play a key role in characterizing the viscosity behavior of the polymer solution. The miscibility of the polymer blend was investigated...