Custom 3D Printable Silicones with Tunable Stiffness

Durban, Matthew M.; Lenhardt, Jeremy M.; Wu, Amanda S.; Small, Ward; Bryson, Taylor M.; Perez-Perez, Lemuel; Nguyen, Du T.; Gammon, Stuart; Smay, James E.; Duoss, Eric B.; Lewicki, James P.; Wilson, Thomas S.

doi:10.1002/marc.201700563

Custom 3D Printable Silicones with Tunable Stiffness

Journal Article · Wed Dec 06 00:00:00 EST 2017 · Macromolecular Rapid Communications

DOI:https://doi.org/10.1002/marc.201700563· OSTI ID:1417274

Durban, Matthew M. ^[1]; ^[1]; Wu, Amanda S. ^[1]; Small, Ward ^[1]; Bryson, Taylor M. ^[1]; Perez-Perez, Lemuel ^[1]; Nguyen, Du T. ^[1]; Gammon, Stuart ^[1]; Smay, James E. ^[2]; Duoss, Eric B. ^[1]; Lewicki, James P. ^[1]; Wilson, Thomas S. ^[1]

Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Oklahoma State Univ., Stillwater, OK (United States). School of Chemical Engineering

Silicone elastomers have broad versatility within a variety of potential advanced materials applications, such as soft robotics, biomedical devices, and metamaterials. Furthermore, a series of custom 3D printable silicone inks with tunable stiffness is developed, formulated, and characterized. The silicone inks exhibit excellent rheological behavior for 3D printing, as observed from the printing of porous structures with controlled architectures. Here, the capability to tune the stiffness of printable silicone materials via careful control over the chemistry, network formation, and crosslink density of the ink formulations in order to overcome the challenging interplay between ink development, post-processing, material properties, and performance is demonstrated.

View Accepted Manuscript (DOE)

Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1417274

Alternate ID(s):: OSTI ID: 1412573

Report Number(s):: LLNL-JRNL--735273

Journal Information:: Macromolecular Rapid Communications, Journal Name: Macromolecular Rapid Communications Journal Issue: 4 Vol. 39; ISSN 1022-1336

Publisher:: WileyCopyright Statement

Country of Publication:: United States

Language:: English

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