Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends
A two-step compounding procedure was used to produce binary blends composed of poly(lactic acid) (PLA) and thermoplastic starch (TPS) with varying component ratios. Subsequently, three different chemical connectors were introduced in order to enhance the interfacial adhesion between the PLA and the...
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Format: | Article |
Language: | English |
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Széchenyi István University
2020-02-01
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Series: | Acta Technica Jaurinensis |
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Online Access: | https://acta.sze.hu/index.php/acta/article/view/532 |
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author | László Lendvai Dávid Brenn |
author_facet | László Lendvai Dávid Brenn |
author_sort | László Lendvai |
collection | DOAJ |
description | A two-step compounding procedure was used to produce binary blends composed of poly(lactic acid) (PLA) and thermoplastic starch (TPS) with varying component ratios. Subsequently, three different chemical connectors were introduced in order to enhance the interfacial adhesion between the PLA and the TPS. Maleic anhydride, blocked isocyanate, and chain extender were used as coupling agents. Mechanical, morphological and thermal properties of PLA/TPS blends were determined. It was revealed that the initial interfacial adhesion between the components is weak. Out of the three coupling agents introduced, the chain extender proved to be the most effective, however, the improvement achieved in the mechanical properties was still marginal. According to the thermogravimetric analysis thermal stability was not significantly affected by any of the coupling agents. |
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institution | Directory Open Access Journal |
issn | 2064-5228 |
language | English |
last_indexed | 2024-12-14T00:04:59Z |
publishDate | 2020-02-01 |
publisher | Széchenyi István University |
record_format | Article |
series | Acta Technica Jaurinensis |
spelling | doaj.art-9abc9280cfd84aff95917f5f07eca53a2022-12-21T23:26:05ZengSzéchenyi István UniversityActa Technica Jaurinensis2064-52282020-02-0113111310.14513/actatechjaur.v13.n1.532532Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch BlendsLászló Lendvai0Dávid Brenn1Széchenyi István University, Department of Materials Science and Engineering, Egyetem tér 1, H-9026 Győr, Hungary / Budapest University of Technology and Economics, Department of Polymer Engineering, Műegyetem rkp. 3, H-1111 Budapest, HungaryBudapest University of Technology and Economics, Department of Polymer Engineering, Műegyetem rkp. 3, H-1111 Budapest, HungaryA two-step compounding procedure was used to produce binary blends composed of poly(lactic acid) (PLA) and thermoplastic starch (TPS) with varying component ratios. Subsequently, three different chemical connectors were introduced in order to enhance the interfacial adhesion between the PLA and the TPS. Maleic anhydride, blocked isocyanate, and chain extender were used as coupling agents. Mechanical, morphological and thermal properties of PLA/TPS blends were determined. It was revealed that the initial interfacial adhesion between the components is weak. Out of the three coupling agents introduced, the chain extender proved to be the most effective, however, the improvement achieved in the mechanical properties was still marginal. According to the thermogravimetric analysis thermal stability was not significantly affected by any of the coupling agents.https://acta.sze.hu/index.php/acta/article/view/532thermoplastic starchpoly(lactic acid)compatibilizationpolymer blend |
spellingShingle | László Lendvai Dávid Brenn Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends Acta Technica Jaurinensis thermoplastic starch poly(lactic acid) compatibilization polymer blend |
title | Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends |
title_full | Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends |
title_fullStr | Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends |
title_full_unstemmed | Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends |
title_short | Mechanical, Morphological and Thermal Characterization of Compatibilized Poly(lactic acid)/Thermoplastic Starch Blends |
title_sort | mechanical morphological and thermal characterization of compatibilized poly lactic acid thermoplastic starch blends |
topic | thermoplastic starch poly(lactic acid) compatibilization polymer blend |
url | https://acta.sze.hu/index.php/acta/article/view/532 |
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