Viscoelasticity and processability of a BAMO/AMMO thermoplastic elastomer

R. Esra Kucukpinar, Dilhan M. Kalyon

Research output: Contribution to conferencePaperpeer-review

3 Scopus citations

Abstract

Various viscoelastic material functions of BAMO/AMMO based thermoplastic elastomer melt were characterized using small amplitude oscillatory shear, step strain and steady torsional flows. The relaxation spectrum and relaxation modulus data were used to fit the parameters of a K-BKZ type integral nonlinear viscoelastic constitutive equation. The predictions of the constitutive equation were compared with the results of other viscometric experiments, including shear stress growth and relaxation, and were found to agree. The use of the constitutive equation to predict especially the shear viscosity material function over a broad range of temperatures and shear rates, i.e., to enable calculations regarding the processability of the thermoplastic elastomer in various molding and extrusion processes to be made, was also demonstrated.

Original languageEnglish
Pages3411-3417
Number of pages7
StatePublished - 1997
EventProceedings of the 1997 55th Annual Technical Conference, ANTEC. Part 3 (of 3) - Toronto, Can
Duration: 27 Apr 19972 May 1997

Conference

ConferenceProceedings of the 1997 55th Annual Technical Conference, ANTEC. Part 3 (of 3)
CityToronto, Can
Period27/04/972/05/97

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