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- W3154688364 abstract "The amount of wasted polylactic acid (PLA) is increasing because 3D printing services are an increasingly popular offering in many fields. The PLA is widely employed in the fused deposition modeling (FDM) since it is an environmentally friendly polymer. However, failed prototypes or physical models can generate substantial waste. In this study, the feasibility of recycling PLA waste plastic and re-extruded it into new PLA filaments was investigated. An automatic PLA filament extruder was first developed for fabricating new PLA filaments. This paper also discusses the process, challenges, and benefits of recycling PLA waste plastic in an effort to fabricate new PLA filaments more sustainable. It was found that it was possible to fabricate PLA filament using recycled PLA waste plastic. The production cost is only 60% of the commercially available PLA filament. The tensile strength of the developed PLA filament is approximately 1.1 times that of the commercially available PLA filament. The design of experiments approach was employed to investigate the optimal process parameters for fabricating PLA filaments. The most important control factor affecting the diameter of PLA filament is the barrel temperature, followed by recycled material addition ratio, extrusion speed, and cooling distance. The optimal process parameters for fabricating PLA filament with a diameter of 1.7 mm include the barrel temperature of 184 °C, extrusion speed of 490 mm/min, cooling distance of 57.5 mm, and recycled material addition ratio of 40%." @default.
- W3154688364 created "2021-04-26" @default.
- W3154688364 creator A5001441279 @default.
- W3154688364 creator A5032785684 @default.
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- W3154688364 date "2021-04-09" @default.
- W3154688364 modified "2023-10-16" @default.
- W3154688364 title "Optimization of Process Parameters for Fabricating Polylactic Acid Filaments Using Design of Experiments Approach" @default.
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- W3154688364 doi "https://doi.org/10.3390/polym13081222" @default.
- W3154688364 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/8070569" @default.
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- W3154688364 hasPublicationYear "2021" @default.
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