Ecocomposite Filaments from Spent Coffee Grounds for FFF 3D Printing: Material Properties and Printability
Jung-Tien Lo, Yu-Chen Chien, Teng-Chun Yang · 2026
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Description
Jung-Tien Lo mixed spent coffee grounds into PLA plastic for 3D printing in a 2026 materials study. Grounds were added across a range up to 20 wt% in filaments and printed parts to test heat, strength and handling traits.
Coffee lowered the softening point slightly and raised crystallinity, while heat breakdown began sooner yet stayed above printing temperatures in reported checks. Filament strength and stiffness fell, and printed parts grew lighter, darker and thirstier for moisture. Bending and impact strength also dropped, so the authors frame grounds as a tailoring filler with clear trade-offs.
Catalog record
| CREATOR | Jung-Tien Lo, Yu-Chen Chien, Teng-Chun Yang |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 36868 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |