The Visco-elastic Properties of Network Structure II. Structural Viscosity

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概要

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• Viscosity behaviors of concentrated polymer solution are treated by making use of the model of weak Gaussian network. If chain-breakage coefficient, i.e. the probability of breakage of a chain in the network is independent of elongation of the chain, such system shows the Newtonian flow. Proper choice of chain-breakage coefficient, for example, that of square well type, yields a typical rate dependence of viscosity; the larger the rate of shearing flow, λ, the smaller the value of viscosity coefficient, μ. The tensile viscosity, μ^*, is also considered, which in general increases with the rate of stretching, λ^*, for small values of the rate. The so-called Trouton's formula, μ^*=3μ is satisfied only in the limit of zero values of rates λ and λ^*.

• 社団法人日本物理学会の論文
• 1957-10-05

著者

• Yamamoto Misazo

  Department Of Chemical And Metallurgical Engineering University Of Tennessee:department Of Physics F

関連論文

• A Theory for Phase Transition and Dynamic Capacitance of a Model Lipid Membrane
• The Visco-elastic Properties of Network Structure I. General Formalism
• Ellipsoidal Model for Non-Newtonian Intrinsic Viscosity of Chain Polymer Solution
• Phenomenological Theory of Non-Linear Viscoelasticity
• Lattice Theory of Melting of a Crystalline Polymer
• Relaxation Spectrum of Chain High Polymeric Substances
• Theoretical Analysis of New Rheometers
• The Visco-elastic Properties of Network Structure : III. Normal Stress Effect (Weissenberg Effect)
• Mechanical Models for Three Dimensional Linear Viscoelasticity
• The Visco-elastic Properties of Network Structure II. Structural Viscosity
• Phenomenological Theory of Visco-elasticity of Three Dimensional Bodies

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