Effect of natural fibres on the mechanical properties of thermoplastic starch

This paper presents the results covering the mechanical properties of thermoplastic potato starch granules with flax, cellulose fibre, and pine bark addition. A modified single screw extrusion-cooker TS-45 with L/D = 18 and an additional cooling section of the barrel was used as the processing unit....

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Veröffentlicht in:International Agrophysics 2016-04, Vol.30 (2), p.211-218
Hauptverfasser: Oniszczuk, Tomasz, Wójtowicz, Agnieszka, Moácicki, Leszek, Mitrus, Marcin, Kupryaniuk, Karol, Kusz, Andrzej, Bartnik, Grzegorz
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container_end_page 218
container_issue 2
container_start_page 211
container_title International Agrophysics
container_volume 30
creator Oniszczuk, Tomasz
Wójtowicz, Agnieszka
Moácicki, Leszek
Mitrus, Marcin
Kupryaniuk, Karol
Kusz, Andrzej
Bartnik, Grzegorz
description This paper presents the results covering the mechanical properties of thermoplastic potato starch granules with flax, cellulose fibre, and pine bark addition. A modified single screw extrusion-cooker TS-45 with L/D = 18 and an additional cooling section of the barrel was used as the processing unit. The establishment influence of the fibre addition, as well as the extrusion-cooker screw speed, on the mechanical properties of the thermoplastic starch granules was the main objective of the investigation. The maximum force during compression to 50% of the sample diameter, elastic modulus, and compression strength were evaluated. Significant differences were noted depending on the amount of fibre used, while only an insignificant influence of screw speed on the mechanical properties of the granulate was reported. An increased amount of fibres lowered the maximum force as well as the elastic modulus and compression strength of the thermoplastic starch granulates.
doi_str_mv 10.1515/intag-2015-0080
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subjects mechanical properties
natural fibre
thermoplastic starch
title Effect of natural fibres on the mechanical properties of thermoplastic starch
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