Impact of Chemical Post-Processing in Fused Deposition Modelling (FDM) on Polylactic Acid (PLA) Surface Quality and Structure.

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ID: 54186
2019
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Abstract
The application of techniques to improve the surface finish of pieces obtained by fused deposition modelling, as well as other functional aspects, is of great interest nowadays. Polylactic acid, a biodegradable material, has been considered a possible substitute for petroleum-based polymers. In this work, different chemical post-processing methods are applied to polylactic acid pieces obtained by fused deposition modelling and some characteristics are studied. Structural, thermal, and crystallinity property changes are analyzed according to the treatments applied. This can prevent degradation, eliminate the glass transition phase of the material, and thereby increase the thermal resistance by about 50 °C. An improvement in the roughness of the pieces of up to 97% was also found.
Reference Key
valerga2019impactpolymers Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Valerga, Ana P;Batista, Moises;Fernandez-Vidal, Severo R;Gamez, Antonio J;
Journal Polymers
Year 2019
DOI
E566
URL
Keywords
chemical treatment roughness additive manufacturing biodegradable polymer finishing processes green technology organic solvent

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