Fig. 2: Properties of 3D-printed PP-CF derived carbons.
From: Accurate additive manufacturing of lightweight and elastic carbons using plastic precursors
a SEM image of unidirectional cracks in PP-CF derived carbon, which was sulfonated at 150 °C for 18 h. b High magnification SEM image of PP-CF derived carbon showing its porous nature at nanoscale. c BET isotherm of PP-CF derived carbon, which was sulfonated for 18 h. d Raman spectra of carbon derived from crosslinked PP-CF precursors, including disordered (D) and graphitic (G) peaks, with an intensity ratio (ID/IG) of 1.25. e Representative compressive stress-strain curve of PP-CF derived carbon (crosslinked at 150 °C for 18 h) with cubic gyroid structure and a 40% in-fill density. f 1.3 g printed carbon structure can hold at least 12.5 kg of weights, scale bar: 1 cm.
