Extrusion 3D Printing of Polybutyrate-Adipate-Terephthalate-Polymer Composites in the Pellet Form
1
Department of Mechanical Engineering, Auckland University of Technology, Auckland 0632, New Zealand
2
Scion Research, Rotorua 3010, New Zealand
*
Author to whom correspondence should be addressed.
Polymers 2018, 10(8), 922; https://doi.org/10.3390/polym10080922
Received: 24 July 2018 / Revised: 10 August 2018 / Accepted: 14 August 2018 / Published: 17 August 2018
(This article belongs to the Special Issue Additive Manufacturing of Polymeric Materials)
Abstract
Fused deposition modelling is a common 3D printing technique used for the freeform fabrication of complex shapes based on polymers. Acrylonitrile butadiene styrene (ABS) is the common material option, though polylactide (PLA) has also proved to be a successful candidate. There is an ever increasing demand to harness new materials as possible candidates for fused deposition. The current research is focused on evaluating polybutyrate-adipate-terephthalate–polymer (PBAT) for fused deposition modelling. Both neat and composite PBAT filled with varying wood flour fillers were experimentally analyzed for 3D printing by extrusion from the pellet forms. The results are positive and the addition of small quantities of the wood flour filler material was found to improve the thixotropic nature of the polymer composite and consequently the inter-strand and inter-layer coalescence. View Full-TextKeywords:
3D printing; fused deposition modelling; polybutyrate; PBAT; wood flour composite; pellets
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Singamneni, S.; Smith, D.; LeGuen, M.-J.; Truong, D. Extrusion 3D Printing of Polybutyrate-Adipate-Terephthalate-Polymer Composites in the Pellet Form. Polymers 2018, 10, 922.
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