期刊
EUROPEAN POLYMER JOURNAL
卷 111, 期 -, 页码 170-177出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2018.10.050
关键词
-
资金
- Austrian Research Promotion Agency (FFG) [854577]
The implementation of bio-based additives in polymer formulations provides possibilities to tailor material characteristics for more sustainable solutions. Fibers derived from natural sources and of sustainable origin have been gaining importance for bio-based as well as biodegradable packaging, showing also high performance. In this research, potato-fiber modified thermoplastic starch (TPS, fiber contents 1, 3 and 5 wt%) was prepared, which was used in the subsequent production of TPS/polyester compounds. Characterization results revealed a reduced formation of closely-packed crystalline structures in TPS, along with increasing fiber content. Likewise, an increase in materials rigidity was observed, as determined via dynamic mechanical analysis. Within the compounded material, potatofiber additions enhanced a molecular weight reduction in starch while the formation of agglomerates was induced. The prepared films exhibited increased mechanical stiffness and also modified sorption characteristics. The identified property profiles are instrumental in creating novel, custom-tailored packaging materials.
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