壳聚糖-聚乳酸复合材料:从海鲜废料到 3D 打印用先进功能材料

IF 23.2 2区 材料科学 Q1 MATERIALS SCIENCE, COMPOSITES Advanced Composites and Hybrid Materials Pub Date : 2024-12-21 DOI:10.1007/s42114-024-01131-x
Erika Blanzeanu, Minodora Marin, Marian Nicolae Verziu, Anca Dumitru, Bogdan Stefan Vasile, Cristina Stavarache, Derniza-Elena Cozorici, Rafael Luque, Catalin Zaharia, Ionut-Cristian Radu
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引用次数: 0

摘要

用于增材制造的功能性和可持续性材料的开发是一个快速发展的领域。在这种情况下,壳聚糖(包括商业低分子量和中等分子量变体,以及实验室从虾头和壳废物中提取的壳聚糖)与聚乳酸(PLA)采用挤压成型制备复合共混物。采用熔体流动指数、拉伸测试、动态力学分析(DMA)和差示扫描量热法(DSC)对壳聚糖长丝进行表征,探讨壳聚糖分子量和含量对长丝性能的影响。利用扫描电子显微镜(SEM)分析了挤压长丝的形貌。此外,还研究了在不影响其可印刷性和结构完整性的情况下将高比例金属纳入复合材料长丝的可能性。结果表明,壳聚糖-聚乳酸复合长丝的某些成分能够有效地掺入镍,突出了它们作为新型催化剂载体的潜力。细丝在熔融状态下进行3D打印,随后使用micro-CT检查得到的样品。这种方法旨在从食物垃圾中创造一种创新材料,为将海鲜垃圾转化为先进的功能材料提供可持续和循环的解决方案。将虾渣提取的壳聚糖成功整合到PLA长丝中,不仅提高了材料性能,而且展示了从生物废物中创造高价值产品的潜力,有助于环境的可持续性,并推动了环保增材制造领域的发展。这项工作突出了复合材料长丝在各个工业部门的应用前景,强调了它们在促进循环经济中的作用。
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Chitosan-polylactic acid composites: from seafood waste to advanced functional materials for 3D printing

The development of functional and sustainable materials for additive manufacturing is a rapidly expanding area of interest. In this context, composite blends of chitosan—including commercial low and medium molecular weight variants, as well as laboratory-extracted chitosan from shrimp head and shell waste—and polylactic acid (PLA) were prepared using extrusion molding. Filament characterization was conducted to explore the effects of chitosan molecular weight and content on the filament properties using melt flow index, tensile testing, dynamic mechanical analysis (DMA), and differential scanning calorimetry (DSC). The morphology of the extruded filaments was analyzed using scanning electron microscopy (SEM). Additionally, the possibility of incorporating a high ratio of metal into the composite filaments without compromising their printability and structural integrity was investigated. The results indicated that certain compositions of chitosan-PLA composite filaments enable the effective incorporation of nickel, highlighting their potential as innovative catalyst supports. The filaments were 3D printed in a molten state, and the resulting specimens were subsequently examined using micro-CT. This approach seeks to create an innovative material from food waste, offering a sustainable and circular solution for transforming seafood waste into advanced functional materials. The successful integration of shrimp waste-derived chitosan into PLA filaments not only enhances the material properties, but also demonstrates the potential for creating high-value products from bio-waste, contributing to environmental sustainability and advancing the field of eco-friendly additive manufacturing. This work highlights the promising application of composite filaments in various industrial sectors, emphasizing their role in promoting a circular economy.

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来源期刊
CiteScore
26.00
自引率
21.40%
发文量
185
期刊介绍: Advanced Composites and Hybrid Materials is a leading international journal that promotes interdisciplinary collaboration among materials scientists, engineers, chemists, biologists, and physicists working on composites, including nanocomposites. Our aim is to facilitate rapid scientific communication in this field. The journal publishes high-quality research on various aspects of composite materials, including materials design, surface and interface science/engineering, manufacturing, structure control, property design, device fabrication, and other applications. We also welcome simulation and modeling studies that are relevant to composites. Additionally, papers focusing on the relationship between fillers and the matrix are of particular interest. Our scope includes polymer, metal, and ceramic matrices, with a special emphasis on reviews and meta-analyses related to materials selection. We cover a wide range of topics, including transport properties, strategies for controlling interfaces and composition distribution, bottom-up assembly of nanocomposites, highly porous and high-density composites, electronic structure design, materials synergisms, and thermoelectric materials. Advanced Composites and Hybrid Materials follows a rigorous single-blind peer-review process to ensure the quality and integrity of the published work.
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