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This content will become publicly available on December 6, 2018

Title: Custom 3D Printable Silicones with Tunable Stiffness

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.
Authors:
 [1] ; ORCiD logo [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [1] ;  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Oklahoma State Univ., Stillwater, OK (United States). School of Chemical Engineering
Publication Date:
Report Number(s):
LLNL-JRNL-735273
Journal ID: ISSN 1022-1336; TRN: US1801016
Grant/Contract Number:
AC52-07NA27344
Type:
Accepted Manuscript
Journal Name:
Macromolecular Rapid Communications
Additional Journal Information:
Journal Volume: 39; Journal Issue: 4; Journal ID: ISSN 1022-1336
Publisher:
Wiley
Research Org:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; 3D printing; additive manufacturing; silicones; tunable stiffness
OSTI Identifier:
1417274
Alternate Identifier(s):
OSTI ID: 1412573