Dynamic shear modulus of polystyrene bead foams | Zendy

Rinde J. A. | Zendy; Hoge K. G. | Zendy

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Dynamic shear modulus of polystyrene bead foams

Author(s) -

Rinde J. A.,

Hoge K. G.

Publication year - 1972

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.1972.070160609

Subject(s) - polystyrene , materials science , shear modulus , modulus , composite material , bulk modulus , polymer , dynamic mechanical analysis , dynamic modulus , arrhenius plot , young's modulus , bead , thermodynamics , chemistry , activation energy , organic chemistry , physics

The shear storage modulus has been determined for 0.05, 0.10, and 0.22 g/cc polystyrene bead foams and for the full density polymer at frequencies from 0.005 to 0.5 Hz at temperatures from −5° to 84°C. These data are superposed to form master curves of log modulus versus log temperature‐reduced frequency, using shift factors calculated by the Arrhenius equation. A plot of log modulus versus log density is linear for the three density foams; however, the modulus value for the solid polymer does not follow this relationship.

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