Vat photopolymerization of charged monomers

3D printing with supramolecular interactions

Emily M. Wilts, Allison M. Pekkanen, B. Tyler White, Viswanath Meenakshisundaram, Donald C. Aduba, Christopher B. Williams, Timothy Edward Long

    Research output: Contribution to journalArticle

    Abstract

    Additive manufacturing enables the creation of novel structures and geometries previously unattainable through traditional processing techniques. In particular, vat photopolymerization provides unprecedented resolution through the tailored delivery of light with photo-crosslinkable or photo-polymerizable materials. Traditionally, chemical crosslinks generate a permanent network, which exhibits swelling but not dissolution. In this work, photopolymerization of photo-reactive monomers with acrylate, acrylamide, and vinyl polymerizable sites enabled the formation of water-soluble 3D printed parts using vat photopolymerization. A library of monomers with varied ionic and hydrogen bonding sites provided photopolymerized films with tensile properties approaching 1200% elongation at break and 0.47 MPa stress at 100% elongation. The rate of polymerization and the subsequent mechanical properties revealed a dependence on the type of supramolecular interactions and functionality on the resulting hydrogel. The diverse functionality of the monomers enabled aqueous dissolution times ranging from 27 to 41 min. Vat photopolymerization of a trimethylammonium ethyl acrylate chloride solution and with 30 wt% N-vinyl pyrrolidone provided 3D parts with fine structural resolution. This method of creating soluble, water-swollen structures through vat photopolymerization provides future research with a larger library of monomers for diverse applications including soluble support scaffolds.

    Original languageEnglish
    Pages (from-to)1442-1451
    Number of pages10
    JournalPolymer Chemistry
    Volume10
    Issue number12
    DOIs
    Publication statusPublished - 2019 Mar 28

    Fingerprint

    Photopolymerization
    Libraries
    Printing
    Monomers
    Ethyl Chloride
    Water
    Acrylamide
    Hydrogel
    Hydrogen Bonding
    Polymerization
    Elongation
    Dissolution
    Light
    3D printers
    Tensile properties
    Hydrogels
    Scaffolds
    Swelling
    Chlorides
    Hydrogen bonds

    ASJC Scopus subject areas

    • Bioengineering
    • Biochemistry
    • Polymers and Plastics
    • Organic Chemistry

    Cite this

    Wilts, E. M., Pekkanen, A. M., White, B. T., Meenakshisundaram, V., Aduba, D. C., Williams, C. B., & Long, T. E. (2019). Vat photopolymerization of charged monomers: 3D printing with supramolecular interactions. Polymer Chemistry, 10(12), 1442-1451. https://doi.org/10.1039/c8py01792a

    Vat photopolymerization of charged monomers : 3D printing with supramolecular interactions. / Wilts, Emily M.; Pekkanen, Allison M.; White, B. Tyler; Meenakshisundaram, Viswanath; Aduba, Donald C.; Williams, Christopher B.; Long, Timothy Edward.

    In: Polymer Chemistry, Vol. 10, No. 12, 28.03.2019, p. 1442-1451.

    Research output: Contribution to journalArticle

    Wilts, EM, Pekkanen, AM, White, BT, Meenakshisundaram, V, Aduba, DC, Williams, CB & Long, TE 2019, 'Vat photopolymerization of charged monomers: 3D printing with supramolecular interactions' Polymer Chemistry, vol. 10, no. 12, pp. 1442-1451. https://doi.org/10.1039/c8py01792a
    Wilts EM, Pekkanen AM, White BT, Meenakshisundaram V, Aduba DC, Williams CB et al. Vat photopolymerization of charged monomers: 3D printing with supramolecular interactions. Polymer Chemistry. 2019 Mar 28;10(12):1442-1451. https://doi.org/10.1039/c8py01792a
    Wilts, Emily M. ; Pekkanen, Allison M. ; White, B. Tyler ; Meenakshisundaram, Viswanath ; Aduba, Donald C. ; Williams, Christopher B. ; Long, Timothy Edward. / Vat photopolymerization of charged monomers : 3D printing with supramolecular interactions. In: Polymer Chemistry. 2019 ; Vol. 10, No. 12. pp. 1442-1451.
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