Abstract
Additive manufacturing with degradable polymers have recently drawn significant attention due to its promising biomedical applications including artificial tissue engineering, surgical, and orthopedic devices etc. This paper experimentally investigates the direct-ink-writing of one of the widely used degradable polymers, carboxymethlycellulose. Through printing and geometric characterization of simple test structures, effect of ink concentration, substrate material and direct-ink-writing process parameters including printing pressure, printing speed and nozzle substrate distance on the process outcome is studied. Preliminary findings on printing of micro-scale structures using nozzles as small as 10 μm in diameter are also presented.
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