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Tough, stable spiroacetal thiol-ene resin for 3D printing

Publication ,  Journal Article
Sycks, DG; Wu, T; Park, HS; Gall, K
Published in: Journal of Applied Polymer Science
June 10, 2018

Though over 30 years old, 3D printing has seen an explosion of interest in recent years as technology has become sufficiently advanced and affordable, enabling widespread usage, and investigation of the technique as a method of manufacture. However, the materials commonly used for printing applications frequently suffer from poor mechanical properties and are only suitable for prototyping and non-load-bearing objects. We report a stable, tough resin formulation which incorporates spiroacetal molecules into the polymer backbone and displays widely varying and tunable mechanical properties. We characterize the system via (photo-)DSC, rheology, and tensile testing; further, we detail a comprehensive heat treatment investigation to optimize material performance and elucidate the structure–property relationships present in the printed and non-printed semi-crystalline photopolymer. Annealing the material at 40 °C for 120 hours produced a tough thiol-ene with a homogenous crystal structure. Printed samples exhibited comparable morphology their cast analogues, but suffered from reduced tensile properties as a result of interlayer adhesion. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46259.

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Published In

Journal of Applied Polymer Science

DOI

EISSN

1097-4628

ISSN

0021-8995

Publication Date

June 10, 2018

Volume

135

Issue

22

Related Subject Headings

  • Polymers
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences
 

Citation

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Sycks, D. G., Wu, T., Park, H. S., & Gall, K. (2018). Tough, stable spiroacetal thiol-ene resin for 3D printing. Journal of Applied Polymer Science, 135(22). https://doi.org/10.1002/app.46259
Sycks, D. G., T. Wu, H. S. Park, and K. Gall. “Tough, stable spiroacetal thiol-ene resin for 3D printing.” Journal of Applied Polymer Science 135, no. 22 (June 10, 2018). https://doi.org/10.1002/app.46259.
Sycks DG, Wu T, Park HS, Gall K. Tough, stable spiroacetal thiol-ene resin for 3D printing. Journal of Applied Polymer Science. 2018 Jun 10;135(22).
Sycks, D. G., et al. “Tough, stable spiroacetal thiol-ene resin for 3D printing.” Journal of Applied Polymer Science, vol. 135, no. 22, June 2018. Scopus, doi:10.1002/app.46259.
Sycks DG, Wu T, Park HS, Gall K. Tough, stable spiroacetal thiol-ene resin for 3D printing. Journal of Applied Polymer Science. 2018 Jun 10;135(22).
Journal cover image

Published In

Journal of Applied Polymer Science

DOI

EISSN

1097-4628

ISSN

0021-8995

Publication Date

June 10, 2018

Volume

135

Issue

22

Related Subject Headings

  • Polymers
  • 40 Engineering
  • 34 Chemical sciences
  • 09 Engineering
  • 03 Chemical Sciences