We report the vat 3D printing of several biomass-based photoresins. The photoresins were formulated with two model monomers whose feedstock can be efficiently obtained from lignin depolymerization: 4-propylguaiacol acrylate (4-PGA) and syringyl methacrylate (SMA). With only this small survey of lignin-derived monomers, we show a range of tunable materials properties. Notably, these materials were all printed without additional crosslinker, potentially illustrating the ability to vat photopolymerize thermoplastic materials. This offers avenues toward recycling of end use parts and applications in investment casting and molding of complex objects.

3D printing of elastomeric and high T<sub>g</sub> plastics from biomass-derived photoresins

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ACS Fall 2022

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3D printing of elastomeric and high Tg plastics from biomass-derived photoresins

3D printing of elastomeric and high T_g plastics from biomass-derived photoresins