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Polybutadiene Click Chemistry: A Rapid and Direct Method for Vat Photopolymerization



Levi Moore, Van Michael Saludo, Oliver Grasdal, Kayleen Smith, Thomas Kolibaba, Jason Killgore, Jacob Marcischak, Jeremy Snyder, Gregory Yandek, Kamran Ghiassi


Thiol-ene click chemistry was utilized to crosslink unmodified commercial liquid polybutadiene, and complex geometries were printed using vat photopolymerization. Polybutadiene contains reactive moieties as a result of its production process, and were used as crosslinking sites in a photosensitive resin. Thiols were found to preferentially react with pendent olefinic units, and the mechanical properties of crosslinked specimens generally behaved as expected, i.e. an increase in crosslink density led to an increase in tensile stress but a decrease in strain at break. Resins were downselected for printability, and objects with challenging structures were able to be printed using commercial DLP printers.
ACS Applied Polymer Materials


Moore, L. , Saludo, V. , Grasdal, O. , Smith, K. , Kolibaba, T. , Killgore, J. , Marcischak, J. , Snyder, J. , Yandek, G. and Ghiassi, K. (2023), Polybutadiene Click Chemistry: A Rapid and Direct Method for Vat Photopolymerization, ACS Applied Polymer Materials, [online],, (Accessed June 18, 2024)


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Created October 10, 2023, Updated October 11, 2023