高分子濃厚溶液の粘弾性

概要

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Hereunder is discussed application if Weissenberg rheogoniometer to the study of viscoelastic properties of linear polymer solutions. From the normal stress difference and shear stress measured at varying shear rates, it is possible to obtain the steady-state compliance as functions of shear rate, which will give the energy dissipation and the energy storage of the polymer solution. Using monodisperse poly(α-methyl styrenes), the effect of molecular weight and molecular weight distribution on both steady-flow viscosity and steady-state compliance are discussed in comparison with the current molecular theories on viscoelasticity of linear polymer solutions. Moreover it is pointed out that the current continuum theories on the three dimensional viscoelastic properties of linear polymer solutions are not satisfactory even in a shear strain region where the solution behaves linearly.
社団法人日本材料学会の論文
1971-05-15