3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization

Justin M. Sirrine, Alisa Zlatanic, Viswanath Meenakshisundaram, Jamie M. Messman, Christopher B. Williams, Petar R. Dvornic, Timothy Edward Long

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Photocuring and vat photopolymerization (VP) additive manufacturing (AM) is reported for two families of fully amorphous poly(dimethyl siloxane) (PDMS) terpolymers containing either diphenylsiloxy (DiPhS) or diethylsiloxy (DiEtS) repeating units. A thiol-functionalized PDMS crosslinker enables rapid crosslinking in air using efficient thiol–ene addition. Differential scanning calorimetry and dynamic mechanical analysis (DMA) confirm the absence of crystallinity for the DiPhS-containing systems, while DMA shows a rubbery plateau extending to greater than 200 °C for the DiEtS-containing system. VP-AM of both photopolymer systems afford well-defined 3D geometries, including high aspect ratio structures, which demonstrate feasibility of these photopolymers for the 3D printing of unique geometric objects that require elastomeric performance to temperatures as low as −120 °C.

Original languageEnglish
Article number1800425
JournalMacromolecular Chemistry and Physics
DOIs
Publication statusAccepted/In press - 2019 Jan 1
Externally publishedYes

Fingerprint

3D printers
Siloxanes
Photopolymers
polysiloxanes
Terpolymers
photopolymers
Photopolymerization
siloxanes
Dynamic mechanical analysis
printing
Silicones
Printing
manufacturing
crosslinking
high aspect ratio
Sulfhydryl Compounds
thiols
Crosslinking
Aspect ratio
Differential scanning calorimetry

Keywords

  • 3D printing
  • elastomers
  • poly(dimethyl siloxane)
  • siloxane terpolymers
  • thiol–ene reaction
  • vat photopolymerization

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry
  • Polymers and Plastics
  • Organic Chemistry
  • Materials Chemistry

Cite this

Sirrine, J. M., Zlatanic, A., Meenakshisundaram, V., Messman, J. M., Williams, C. B., Dvornic, P. R., & Long, T. E. (Accepted/In press). 3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization. Macromolecular Chemistry and Physics, [1800425]. https://doi.org/10.1002/macp.201800425

3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization. / Sirrine, Justin M.; Zlatanic, Alisa; Meenakshisundaram, Viswanath; Messman, Jamie M.; Williams, Christopher B.; Dvornic, Petar R.; Long, Timothy Edward.

In: Macromolecular Chemistry and Physics, 01.01.2019.

Research output: Contribution to journalArticle

Sirrine, JM, Zlatanic, A, Meenakshisundaram, V, Messman, JM, Williams, CB, Dvornic, PR & Long, TE 2019, '3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization', Macromolecular Chemistry and Physics. https://doi.org/10.1002/macp.201800425
Sirrine JM, Zlatanic A, Meenakshisundaram V, Messman JM, Williams CB, Dvornic PR et al. 3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization. Macromolecular Chemistry and Physics. 2019 Jan 1. 1800425. https://doi.org/10.1002/macp.201800425
Sirrine, Justin M. ; Zlatanic, Alisa ; Meenakshisundaram, Viswanath ; Messman, Jamie M. ; Williams, Christopher B. ; Dvornic, Petar R. ; Long, Timothy Edward. / 3D Printing Amorphous Polysiloxane Terpolymers via Vat Photopolymerization. In: Macromolecular Chemistry and Physics. 2019.
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