| Preparation and properties of polypropylene composite for 3D printing |
| Received:January 22, 2017 Revised:January 22, 2017 |
| DOI： |
| Key Words: PP; 3D printing; Fused deposition modeling; Shrinkage rate |
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| Abstract: |
| Fused deposition modeling (FDM) technology is currently the most widely available 3D printing platform，but there are few 3D print materials available for the FDM. In this research, CaCO3 and talcum powder were mixed in equal proportionally, and then were blended with PP compounds to develop a material for FDM. The effects of filler loading on the mechanical properties and microstructure of 3D printed specimens were investigated. The mechanical properties of the printed specimens decreased with the increase of the filler content. As the filler content increased, the warping phenomenon disappeared during the printing process, and the SEM results showed that there was no gap between the fibers in the printed samples, indicating that the filler addition decreased the PP shrinkage. When the CaCO3 and talcum powder contents were both 20% in mass ratio, 3D printing products were best. |
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