Collect. Czech. Chem. Commun.
1979, 44, 1942-1948
https://doi.org/10.1135/cccc19791942
Comparison of the viscoelastic penetration and tensile behaviour of poly(methyl acrylate) and poly(ethyl acrylate)
Jaroslav Hrouz, Michal Ilavský, Ivan Havlíček and Karel Dušek
Institute of Macromolecular Chemistry, Czechoslovak Academy of Sciences, 162 06 Prague 6
Abstract
The viscoelastic penetration and tensile behaviour of poly(methyl acrylate) and poly(ethyl acrylate) in the main transition region have been investigated. It was found that the time-temperature superposition could be carried out in the case of the penetration viscoelastic behaviour; the temperature dependence of the penetration and tensile shift factors was the same. The superimposed curves of the penetration and Young modulus allowed us to calculate the dependence of the Poisson ratio and thus to characterize the change in sample volume with deformation. It was demonstrated that the penetration method of determination of the viscoelastic behaviour is equivalent to the tensile method.
