About this Abstract |
| Meeting |
2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Symposium
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2026 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2026)
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| Presentation Title |
Characterization of Polypropylene/Polylactic Acid Polymer Blends Fabricated by Fused Granulate Fabrication |
| Author(s) |
Alvarado Jacqueline, David A. Roberson |
| On-Site Speaker (Planned) |
Alvarado Jacqueline |
| Abstract Scope |
This research investigates the ability to use additive manufacturing to print polymer blends composed of extremely dissimilar constituents. Different polymer blends of polypropylene (PP) and polylactic acid (PLA) with varying PP concentrations of 5%, 10%, and 20%. The blends were created by way of melt-compounding and were characterized using tensile testing, dynamic mechanical analysis (DMA), and creep testing. The tensile and DMA specimens were fabricated using fused granulate fabrication (FGF), while the creep specimens were made using a hot press. Scanning electron microscopy (SEM) was performed on the fracture surfaces of the tensile samples to analyze microstructural features after mechanical testing and to observe how each polymer blend behaved after testing. Features such as elasticity, fracture behavior, and surface morphology were examined and compared between the different blends. The results demonstrated the ability to fabricate a blend system composed of dissimilar materials (a polyester and a polyolefin) using FGF. |
| Proceedings Inclusion? |
Undecided |