Effect of anhydrides on the mechanical, thermal and morphological properties of TPS/PE blends made by one-step extrusion

Thermoplastic starch/polyethylene blends containing maleic anhydride (MAH), succinic anhydride (SA) and phthalic anhydride (PA) were prepared by one-step extrusion, in a single-screw extruder, in the presence of dicumyl peroxide. The morphological, mechanical and thermal properties of the blends wer...

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Veröffentlicht in:Polymers & polymer composites 2007-01, Vol.15 (3), p.249-253
Hauptverfasser: YU, Jing-Lin, PANG, Ji-Ping, WANG, Shu-Jun, YU, Jiu-Gao
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container_end_page 253
container_issue 3
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creator YU, Jing-Lin
PANG, Ji-Ping
WANG, Shu-Jun
YU, Jiu-Gao
description Thermoplastic starch/polyethylene blends containing maleic anhydride (MAH), succinic anhydride (SA) and phthalic anhydride (PA) were prepared by one-step extrusion, in a single-screw extruder, in the presence of dicumyl peroxide. The morphological, mechanical and thermal properties of the blends were characterized by scanning electron microscopy (SEM) and thermogravimetric analysis and also by measuring elongation at break (%) and tensile strength (MPa). Blends made with MAH had better properties than those with SA and PA. The SEM showed that they also had better interfacial adhesion. Because of the existence of carbon-carbon double bonds in MAH, it could graft to the polyethylene chains and act as a compatibilizer during the extrusion process. [PUBLICATION ABSTRACT]
doi_str_mv 10.1177/096739110701500309
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source Sage Journals GOLD Open Access 2024; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals
subjects Anhydrides
Applied sciences
Chemical modifications
Chemical reactions and properties
Exact sciences and technology
Extrusion
Extrusion process
Influence
Materials science
Mechanical properties
Organic polymers
Physicochemistry of polymers
Polymer blends
Thermal properties
Thermogravimetric analysis
Thermoplastic composites
Thermoplastics
title Effect of anhydrides on the mechanical, thermal and morphological properties of TPS/PE blends made by one-step extrusion
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