Janik Weronika, Wojtala Anna, Pietruszka Anna, Dudek Gabriela, Sabura Ewa
Łukasiewicz Research Network-The Institute of Heavy Organic Synthesis "Blachownia", Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland.
Department of Physical Chemistry and Technology of Polymers, PhD School, Silesian University of Technology, 2a Akademicka Str., 44-100 Gliwice, Poland.
Polymers (Basel). 2021 Aug 11;13(16):2685. doi: 10.3390/polym13162685.
Chitosan/starch-based composites were prepared by thermomechanical processing as an alternative to the traditional solution method, with the aim of fabricating environmentally friendly materials on a larger scale. Different contents and types of lignin and poly(vinyl alcohol), PVA were incorporated into chitosan/starch compositions to improve their mechanical properties. It was demonstrated that the presence of both lignin and PVA increases the values of tensile strength and elongation at break of the composites. Moreover, it was observed that by the selection of a type of lignin and PVA, it was possible to tailor the internal microstructure of the samples. As observed in scanning electron microscope (SEM) micrographs, the introduction of lignin and PVA resulted in the formation of a smooth surface and homogeneous samples.
壳聚糖/淀粉基复合材料通过热机械加工制备，作为传统溶液法的替代方法，目的是大规模制造环境友好型材料。将不同含量和类型的木质素和聚乙烯醇（PVA）加入壳聚糖/淀粉组合物中以改善其机械性能。结果表明，木质素和PVA的同时存在提高了复合材料的拉伸强度和断裂伸长率值。此外，观察到通过选择一种木质素和PVA，可以调整样品的内部微观结构。如扫描电子显微镜（SEM）显微照片所示，木质素和PVA的引入导致形成光滑表面和均匀的样品。
