The Dynamic Bulk Viscosity of Polystyrene and Polymethyl Methacrylate

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概要

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• The transverse and longitudinal wave measurement on polystyrene and polymethyl methacrylate was carried out at frequencies of 0.5, 1, and 2.25Mc, in the temperature range 20℃ to 190℃. For the transverse wave measurement, a modified rotating plate method was used. An energy-dissipating process associated with volume deformation was found in these polymers. The activation energy associated with shear deformation is somewhat different from that associated with volume deformation, so that the molecular mechanism involved in the two types of deformation may be different.

• 社団法人日本物理学会の論文
• 1960-04-05

著者

• Kono Ryusuke

  Department Of Applied Physics Defence Academy

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• The Dynamic Bulk and Shear Viscosities of Polyvinylchloride
• Viscoelastic Properties of Polyvinyl-i-Butyl Ethers at High Frequencies

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