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Polymers and Polymer Composites

INFLUENCE OF MALEATION OF GROUND RUBBER TYRE (GRT) ON THE THERMORHEOLOGICAL BEHAVIOUR OF THERMOPLASTIC ELASTOMERS BASED ON ETHYLENE PROPYLENE DIENE RUBBER, GRT AND ETHYLENE-CO-ACRYLIC ACID

June 1, 2002 By: Naskar A K; De S K; Bhowmick A K Research article

Title: INFLUENCE OF MALEATION OF GROUND RUBBER TYRE (GRT) ON THE THERMORHEOLOGICAL BEHAVIOUR OF THERMOPLASTIC ELASTOMERS BASED ON ETHYLENE PROPYLENE DIENE RUBBER, GRT AND ETHYLENE-CO-ACRYLIC ACID
Page Range: p.427-432
Author(s): Naskar A K; De S K; Bhowmick A K
File size: 84K
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Journal: Polymers and Polymer Composites
Issue Year: ppc
Volume: 10
Issue No: No. 6

Abstract
A study is reported of the thermorheological behaviour of thermoplastic elastomer blends based on both ground rubber from scrap tyres, (GRT) and maleic anhydride grafted GRT, (m-GRT) to determine the influence of the maleation on the GRT in blends with EPDM and ethylene-co-acrylic acid with respect to the rheological characteristics of the blend. Higher storage and loss shear moduli and shear viscosity was noted for the m-GRT based TPE compared to the GRT based TPE composition. An interaction between m-GRT and A-HDPE was evident from the loss tangent spectra of the blends as well as from the die swell of the melt extrudates. The m-GRT based TPE produced smoother extrudates at low shear rates than the blend containing non-maleated GRT. However, at higher shear rates, both compositions showed melt fracture. 16 refs.

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