Modifiers for Medical Grade Polymeric Systems used in FDM 3D Printing - Short Review
Journal Title: Biomedical Journal of Scientific & Technical Research (BJSTR) - Year 2019, Vol 15, Issue 5
Abstract
Fused deposition modeling (FDM) is one of the additive man-ufacturing (AM) techniques, also known as a Fused Filament Fab-rication (FFF). Additive manufacturing refers to the various types of three-dimensional printing methods, based on the gradual su-perimposition of subsequent layers of material, in order to obtain a three-dimensional object [1,2]. FDM is one of the most commonly used and inexpensive 3D printing technology in medicine and it is based on the layering of plasticized thermoplastic polymeric mate-rial on a mobile platform through the miniature nozzle [3,4]. The material is supplied in the form of a thin wire of constant diameter, so-called filament. FDM technology also allows the use of CAD mod-els and images obtained from computed tomography (CT) or mag-netic resonance (MRI) [5,6]. The following biomedical polymers are considered to be used for medical grade filaments production for FDM technology: poly-ε-caprolactone (PCL) [7], polylactide (PLA) [8], polyvinyl alcohol (PVA) [9], hydroxypropyl cellulose (HPC) [10], ethyl cellulose (EC) [11], ethylene vinyl acetate (EVA) [11] or thermoplastic polyurethanes (TPUs) [12,13]. Furthermore, poly-meric systems designed as filaments for 3D printing can be easily modified with many inorganic and organic compounds through the hot melt extrusion (HME).
Authors and Affiliations
Szarlej P, Kucińska Lipka J, Gubańska I, Janik H
Keywords
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- EP ID EP592517
- DOI 10.26717/BJSTR.2019.15.002778
- Views 134
- Downloads 0
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