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Bioengineering 2018, 5(1), 2; https://doi.org/10.3390/bioengineering5010002

Recent Advances in 3D Printing of Aliphatic Polyesters

1
Polymer Department, National Institute for R&D in Chemistry and Petrochemistry ICECHIM, 202 Splaiul Independentei, 060021 Bucharest, Romania
2
Symme3D and LTHD Corporation SRL, 300425 Timisoara, Romania
*
Authors to whom correspondence should be addressed.
Academic Editor: Gary Chinga Carrasco
Received: 3 November 2017 / Revised: 21 December 2017 / Accepted: 22 December 2017 / Published: 24 December 2017
(This article belongs to the Special Issue Novel Biocomposite Engineering and Bio-Applications)
Full-Text   |   PDF [3167 KB, uploaded 26 December 2017]   |  

Abstract

3D printing represents a valuable alternative to traditional processing methods, clearly demonstrated by the promising results obtained in the manufacture of various products, such as scaffolds for regenerative medicine, artificial tissues and organs, electronics, components for the automotive industry, art objects and so on. This revolutionary technique showed unique capabilities for fabricating complex structures, with precisely controlled physical characteristics, facile tunable mechanical properties, biological functionality and easily customizable architecture. In this paper, we provide an overview of the main 3D-printing technologies currently employed in the case of poly (lactic acid) (PLA) and polyhydroxyalkanoates (PHA), two of the most important classes of thermoplastic aliphatic polyesters. Moreover, a short presentation of the main 3D-printing methods is briefly discussed. Both PLA and PHA, in the form of filaments or powder, proved to be suitable for the fabrication of artificial tissue or scaffolds for bone regeneration. The processability of PLA and PHB blends and composites fabricated through different 3D-printing techniques, their final characteristics and targeted applications in bioengineering are thoroughly reviewed. View Full-Text
Keywords: 3D printing; aliphatic polyesters; scaffolds; tissue engineering; polylactic acid; polyhydroxyalkanoates 3D printing; aliphatic polyesters; scaffolds; tissue engineering; polylactic acid; polyhydroxyalkanoates
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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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Chiulan, I.; Frone, A.N.; Brandabur, C.; Panaitescu, D.M. Recent Advances in 3D Printing of Aliphatic Polyesters. Bioengineering 2018, 5, 2.

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