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Volume 190, 2016
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Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents

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Abstract

1-Ethyl-3-methylimidazolium acetate ([C2C1Im][OAc]) and 1-butyl-3-methylimidazolium acetate ([C4C1Im][OAc]) have been used as solvents for the dissolution and ink-jet printing of cellulose from 1.0 to 4.8 wt%, mixed with the co-solvents 1-butanol and DMSO. 1-Butanol and DMSO were used as rheological modifiers to ensure consistent printing, with DMSO in the range of 41–47 wt% producing samples within the printable range of a DIMATIX print-head used (printability parameter < 10) at 55 °C, whilst maintaining cellulose solubility. Regeneration of cellulose from printed samples using water was demonstrated, with the resulting structural changes to the cellulose sample assessed by scanning electron microscopy (SEM) and white light interferometry (WLI). These results indicate the potential of biorenewable materials to be used in the 3D additive manufacture process to generate single-component and composite materials.

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Publication details

The article was received on 11 Dec 2015, accepted on 14 Jan 2016 and first published on 14 Jan 2016


Article type: Paper
DOI: 10.1039/C5FD00219B
Citation: Faraday Discuss., 2016,190, 509-523
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    Three dimensional ink-jet printing of biomaterials using ionic liquids and co-solvents

    D. H. A. T. Gunasekera, S. Kuek, D. Hasanaj, Y. He, C. Tuck, A. K. Croft and R. D. Wildman, Faraday Discuss., 2016, 190, 509
    DOI: 10.1039/C5FD00219B

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