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J. Compos. Sci. 2017, 1(2), 17; doi:10.3390/jcs1020017

Sustainable Composite Fused Deposition Modelling Filament Using Post-Consumer Recycled Polypropylene

School of Engineering, University of Waikato, Hamilton 3216, New Zealand
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Received: 17 October 2017 / Revised: 13 November 2017 / Accepted: 6 December 2017 / Published: 13 December 2017
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Abstract

Post-consumer recycled polypropylene (PP) with differing harakeke and hemp fibre contents was used to fabricate a range of 3D printing feedstock filaments. The most successful filaments in terms of tensile properties contained 30 wt % harakeke and had a tensile strength and Young’s modulus of 41 MPa and 3.8 GPa respectively. Comparing these results to those of post-consumer recycled PP filament, showed improvements in tensile strength and Young’s modulus of 77% and 275%. The composite that showed the least shrinkage consisted of 30 wt % harakeke with a shrinkage value of 0.34% corresponding to a net reduction of 84% relative to post-consumer PP. View Full-Text
Keywords: bio-fibres; mechanical properties; recycling bio-fibres; mechanical properties; recycling
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Pickering, K.; Stoof, D. Sustainable Composite Fused Deposition Modelling Filament Using Post-Consumer Recycled Polypropylene. J. Compos. Sci. 2017, 1, 17.

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J. Compos. Sci. EISSN 2504-477X Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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