Polymers and Polymer Composites

NONLINEAR VISCOELASTICITY OF FIBER-FILLED POLYPROPYLENE MELTS

May 1, 2003 By: Katsuhiko A; Takeshi K; Takahiro T; Anezka L; Petr S Research article

Title: NONLINEAR VISCOELASTICITY OF FIBER-FILLED POLYPROPYLENE MELTS
Page Range: p.383-395
Author(s): Katsuhiko A; Takeshi K; Takahiro T; Anezka L; Petr S
File size: 266K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 11
Issue No: No. 5

Abstract
This study reports on the results of a series of experiments conducted on general purpose polypropylene and its short carbon fibre filled systems. The steady-state shear flow and dynamic viscoelastic behaviour of these polymer systems were measured on a cone-plate type rheogoniometer to examine the effects of their fibre content, angular frequency and strain amplitude upon their dynamic viscoelastic properties. The dynamic viscoelasticity of carbon fibre/PP systems was analysed for non-linearity by expanding the stress waveform in the Fourier series. The analytical results were compared with those obtained from the Lissajous figures. Similarities and differences with carbon fibre reinforced liquid crystal polymers are also discussed. 25 refs.


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