3D打印医用外科用棉织物-聚乳酸生物复合材料的可行性研究

Mohd Shoeb, Lokesh Kumar, Abid Haleem
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引用次数: 0

摘要

熔融沉积建模(FDM)3D打印是一种先进的增材制造(AM)方法,用于开发基于热塑性塑料的零件。研究人员研究了基于FDM的PLA三维打印,该打印使用了整个生物质和生物质资源,如木质素、半纤维素和纤维素。这些复合材料环保、可持续,在医疗保健领域有着广泛的应用。用医用外科棉织物开发生物复合材料的3D打印是有空间的,PLA在这种制造中是独一无二的。FDM 3D打印医用外科棉织物-PLA生物复合材料的开发和表征是本工作的主要目标。用于开发生物复合材料的实验方法包括使用孔径为0.6 mm x 0.6 mm、0.8 mm x 0.8 mm和1.0 mm x 1.0 mm的三种棉织物,三种不同的3D打印孔径为0.5 mm x 0.5 mm、1.0 mm x 1.0mm和1.5 mm x 1.5 mm。发现开发生物复合材料是可行的。3D打印孔径和孔壁宽度增加了每种织物的断裂强度、伸长率和吸水能力。所开发的生物复合材料的最大断裂强度为235.40 N,最小断裂强度为123.20 N,最大延伸率为2.288%,最小延伸率为1.506%,最大吸收能力为7.63%,最小吸收能力为3.57%。这些生物复合材料的性能足以用于医疗保健应用,并且可以用作伤口愈合中的绷带。目前的工作仅限于对这种独特的生物复合材料的可行性研究。生物复合材料在动物和人类身上的其他性能分析和测试可能会在未来的工作中进行。
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3D printed medical surgical cotton fabric- poly lactic acid biocomposite: A feasibility study

Fused Deposition Modeling (FDM) 3D printing is an advanced Additive Manufacturing (AM) method for developing thermoplastic-based parts. Researchers studied FDM-based 3D printing of PLA with whole biomass and biomass resources such as lignin, hemicellulose, and cellulose. These composites are environmentally friendly, sustainable and have wide applications in healthcare. There is scope for developing the 3D printing of biocomposite with medical surgical cotton fabric, where PLA is unique for such manufacturing. The development and characterisation of FDM 3D printed medical surgical cotton fabric- PLA biocomposite is the primary objective of this work. Experimental methods used for the development of biocomposites involve the use of three types of cotton fabric of pore sizes 0.6 mm x 0.6 mm, 0.8 mm x 0.8 mm, and 1.0 mm x 1.0 mm with three different 3D printing pore sizes 0.5 mm x 0.5 mm, 1.0 mm x 1.0 and 1.5 mm x 1.5 mm. The development of biocomposites is found feasible. Breaking strength, percentage extension, and water absorption capacity increased in 3D printing pore sizes and pore wall width for each fabric. The maximum 235.40 N and minimum 123.20 N breaking strength, maximum 2.288 % and minimum 1.506 % extension, and maximum 7.63 % and minimum 3.57 % absorption capacity have been observed for the developed biocomposite. The behaviours of these biocomposites are adequate for healthcare applications and may be used as a bandage in wound healing. The present work is limited to the feasibility study of the unique biocomposite. Analysis of other properties and testing of biocomposite on animals and humans may be carried out in future work.

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