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Title: 3D-Printable Silicone Materials with Hydrogen Getter Capability

Abstract

Organic getters are used to reduce the amount of reactive hydrogen in applications such as nuclear plants and transuranic waste. Here, the present study examines the performance of getter loaded silicone elastomers in reducing reactive hydrogen gas from the gas phase and their capability of being 3D printed using direct ink writing techniques. The samples are placed in closed vessels and exposed to hydrogen atmosphere at pressures of 580 torr and 750 mtorr and at a temperature of 25 °C. The hydrogen consumption is measured as a function of time and normalized to getter concentration in the polymer. The performance of the getter-loaded silicone elastomer containing 1,4-bis[phenylethynyl]benzene (DEB) as the organic getter and Pd/C catalyst (ratio of 3:1 DEB to catalyst) decreases with increasing the resin's curing temperature. Chemical analysis suggests that DEB reacts with the silicone resin at high temperatures. In addition, it is demonstrated that the increased surface area of 3D printed composites results in improved getter performance.

Authors:
ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]; ORCiD logo [1]
  1. Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Publication Date:
Research Org.:
Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA)
OSTI Identifier:
1438364
Alternate Identifier(s):
OSTI ID: 1423377
Report Number(s):
LA-UR-18-20008
Journal ID: ISSN 1616-301X; TRN: US1900423
Grant/Contract Number:  
AC52-06NA25396
Resource Type:
Accepted Manuscript
Journal Name:
Advanced Functional Materials
Additional Journal Information:
Journal Volume: 28; Journal Issue: 17; Journal ID: ISSN 1616-301X
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; composites; direct ink writing; getters; polymeric materials; silicones

Citation Formats

Ortiz-Acosta, Denisse, Moore, Tanya, Safarik, Douglas Joseph, Hubbard, Kevin Mark, and Janicke, Michael Timothy. 3D-Printable Silicone Materials with Hydrogen Getter Capability. United States: N. p., 2018. Web. doi:10.1002/adfm.201707285.
Ortiz-Acosta, Denisse, Moore, Tanya, Safarik, Douglas Joseph, Hubbard, Kevin Mark, & Janicke, Michael Timothy. 3D-Printable Silicone Materials with Hydrogen Getter Capability. United States. doi:10.1002/adfm.201707285.
Ortiz-Acosta, Denisse, Moore, Tanya, Safarik, Douglas Joseph, Hubbard, Kevin Mark, and Janicke, Michael Timothy. Thu . "3D-Printable Silicone Materials with Hydrogen Getter Capability". United States. doi:10.1002/adfm.201707285. https://www.osti.gov/servlets/purl/1438364.
@article{osti_1438364,
title = {3D-Printable Silicone Materials with Hydrogen Getter Capability},
author = {Ortiz-Acosta, Denisse and Moore, Tanya and Safarik, Douglas Joseph and Hubbard, Kevin Mark and Janicke, Michael Timothy},
abstractNote = {Organic getters are used to reduce the amount of reactive hydrogen in applications such as nuclear plants and transuranic waste. Here, the present study examines the performance of getter loaded silicone elastomers in reducing reactive hydrogen gas from the gas phase and their capability of being 3D printed using direct ink writing techniques. The samples are placed in closed vessels and exposed to hydrogen atmosphere at pressures of 580 torr and 750 mtorr and at a temperature of 25 °C. The hydrogen consumption is measured as a function of time and normalized to getter concentration in the polymer. The performance of the getter-loaded silicone elastomer containing 1,4-bis[phenylethynyl]benzene (DEB) as the organic getter and Pd/C catalyst (ratio of 3:1 DEB to catalyst) decreases with increasing the resin's curing temperature. Chemical analysis suggests that DEB reacts with the silicone resin at high temperatures. In addition, it is demonstrated that the increased surface area of 3D printed composites results in improved getter performance.},
doi = {10.1002/adfm.201707285},
journal = {Advanced Functional Materials},
number = 17,
volume = 28,
place = {United States},
year = {2018},
month = {3}
}

Journal Article:
Free Publicly Available Full Text
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Cited by: 1 work
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Figures / Tables:

Figure 1 Figure 1: Reaction scheme of DEB with hydrogen gas in the presence of Pd/C catalyst.

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Works referenced in this record:

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    Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.