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Quality evaluation of solvent-cast 3D printing of poly(lactic acid) films

Abstract

This study aims to analyse the process conditions in the production of poly(lactic acid) (PLA) films by solvent-cast 3D printing. The films were evaluated according to thickness, roughness and visual aspect. An experimental design \(2^{{2}}\) was performed with centre point in triplicate to study solvent/PLA ratio and printing speed. The solvent/PLA ratio and printing speed had a significant negative effect on film thickness and positive effect on film roughness. The film that presented the best classification in the visual aspect was the one moulded with the highest printing speed and solvent/PLA ratio.

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Acknowledgements

We thank the Coordination of Higher Education and Graduate Training (CAPES), the National Council for Scientific and Technological Development (CNPq), Espaço da Escrita—- UNICAMP for the language services, Professor Edison Bittencourt, Hamilton Angelo Oriente from 3D Biotechnology Solutions, Gilson Barbosa Maia Junior and Professor Luciana Oriqui.

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Correspondence to Marina Fernandes Cosate De Andrade.

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De Andrade, M.F.C., Nonato, R.C., Bottini, R. et al. Quality evaluation of solvent-cast 3D printing of poly(lactic acid) films. Bull Mater Sci 43, 74 (2020). https://doi.org/10.1007/s12034-019-2025-8

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  • DOI: https://doi.org/10.1007/s12034-019-2025-8

Keywords

  • Poly(lactic acid)
  • solvent-cast 3D printing
  • liquid deposition modelling
  • experimental design