The Viscoelasticity of Linear Polymeric Substance
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概要
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The viscoelasticity of highpolymeric substance is discussed from the stand point of a molecular theory. The strain of a substance consists of the elongation of polymer and the intermolecular slipping. These two kinds of strain of substance and the elongation of polymer are named the macroscopic elongation and the microscopic elongation respectively. Supposing the rate of the intermoleclar slipping obeys the Eyring's formula the relation between the macroscopic elongation-factor λ and the microscopic elongation-factor a is obtained as follow [numerical formula]. Where A, b and e are physical constants. Solving the equation above we obtain the following results. First; at the constant strain the retractive force decays exponentially against the time as expected. Second; when the velocity of elongation is constant the retractive force shows a maximum against the elongation and decays gradually as elongation goes on.
- 社団法人日本物理学会の論文
- 1954-02-25