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Impregnation of Poly(lactic Acid) with Polyphenols of Plant Origin

Research and development

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Nr DOI: 10.5604/01.3001.0013.7308

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Abstract:

The aim of the research was the solvent-based impregnation of poly(lactic acid) (PLA) with polyphenols of plant origin. The process is a scientific novelty because quercetin, rutin, xanthone and green tea extract had not been previously used to stabilise PLA as a result of the solvent-based impregnation of a polymer. As part of the work, the extruded poly(lactic acid) was impregnated with ethanol solutions of polyphenols. Samples after impregnation were subjected to tests: determination of mechanical properties, differential scanning calorimetry, melt flow index and SEM microscopy. In addition, the properties of the samples, such as the Vicat softening temperature and change in colour, before and after controlled weathering as well as thermal and UV aging were investigated. On the basis of the results presented, the effectiveness of the impregnation of poly(lactic acid) with natural compounds was confirmed as a new method of stabilisation of the biodegradable polyester selected.

Tags:

poly(lactic acid), PLA, natural polyphenol, antioxidants, impregnation.

Citation:

Latos-Brozio M, Masek A. Impregnation of Poly(lactic Acid) with Polyphenols of Plant Origin. FIBRES & TEXTILES in Eastern Europe  2020; 28, 2(140): 15-20. DOI: 10.5604/01.3001.0013.7308

Published in issue no 2 (140) / 2020, pages 15–20.

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in Eastern Europe
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90-570 Łódź, Poland
e-mail: infor@lit.lukasiewicz.gov.pl
ftee@lit.lukasiewicz.gov.pl
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EDITORIAL OFFICE
FIBRES & TEXTILES in Eastern Europe 19/27 M. Skłodowskiej-Curie Str., 90-570 Łódź, Poland e-mail: infor@lit.lukasiewicz.gov.pl; ftee@lit.lukasiewicz.gov.pl

EDITORIAL DEPARTMENT
Editor-in-Chief Dariusz Wawro, Head of Editorial Office Janusz Kazimierczak, Text Editor Geoffrey Large, Assistant Editor Anna WahlProduction Łukasiewicz-ŁIT

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