In the recently published ‘ Investigation of closed loop manufacturing with Acrylonitrile Butadiene Styrene (ABS) over multiple generations using Additive Manufacturing ,’ authors Mazher Iqbal Mohammed, Daniel Wilson, Eli Gomez-Kervin, Bin Tang, and Jinfeng Wang explore the impacts of FFF 3D printing on acrylonitrile butadiene styrene (ABS) during multiple recycling processes.

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As 3D printing increases in popularity, so does the amount of discarded plastic. And while PLA is biodegradable, ABS is a typical plastic that is not—presenting environmental issues. In this study, the researchers hoped to explore FFF systems in regard to their low power consumption which may lend themselves to a path of greater manufacturing sustainability.

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The researchers began using virgin ABS, put through two successive closed-loop filament extrusion and 3D printing phases. In this study they used 100 percent recycled 3D printed ABS, made into filament for re-use—allowing them to investigate parameters and potential for defects along […]

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