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Title: Three-dimensional printed porous silicone matrix using leachable porogen

Abstract

The silicone-based ink for additive manufacturing includes a siloxane macromer, and a porogen mixture comprising a water-soluble porogen and a surfactant. The product of additive manufacturing with a silicone-based ink includes a three-dimensional printed structure including a plurality of continuous filaments arranged in a predefined pattern and a plurality of inter-filament pores defined by the predefined pattern of the continuous filaments. In addition, each continuous filament of the three-dimensional printed structure includes a silicone matrix having an open cell structure with a plurality of intra-filament pores, and the intra-filament pores form continuous channels through the silicone matrix.

Inventors:
; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
2222166
Patent Number(s):
11725112
Application Number:
16/805,494
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 02/28/2020
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Nguyen, Du, Duoss, Eric, Lenhardt, Jeremy, and Wilson, Thomas S. Three-dimensional printed porous silicone matrix using leachable porogen. United States: N. p., 2023. Web.
Nguyen, Du, Duoss, Eric, Lenhardt, Jeremy, & Wilson, Thomas S. Three-dimensional printed porous silicone matrix using leachable porogen. United States.
Nguyen, Du, Duoss, Eric, Lenhardt, Jeremy, and Wilson, Thomas S. Tue . "Three-dimensional printed porous silicone matrix using leachable porogen". United States. https://www.osti.gov/servlets/purl/2222166.
@article{osti_2222166,
title = {Three-dimensional printed porous silicone matrix using leachable porogen},
author = {Nguyen, Du and Duoss, Eric and Lenhardt, Jeremy and Wilson, Thomas S.},
abstractNote = {The silicone-based ink for additive manufacturing includes a siloxane macromer, and a porogen mixture comprising a water-soluble porogen and a surfactant. The product of additive manufacturing with a silicone-based ink includes a three-dimensional printed structure including a plurality of continuous filaments arranged in a predefined pattern and a plurality of inter-filament pores defined by the predefined pattern of the continuous filaments. In addition, each continuous filament of the three-dimensional printed structure includes a silicone matrix having an open cell structure with a plurality of intra-filament pores, and the intra-filament pores form continuous channels through the silicone matrix.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Aug 15 00:00:00 EDT 2023},
month = {Tue Aug 15 00:00:00 EDT 2023}
}

Works referenced in this record:

Preparation of Microporous Silicone Rubber Membrane with Tunable Pore Size via Solvent Evaporation-Induced Phase Separation
journal, March 2013


Breast prostheses
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3D printed cellular solid outperforms traditional stochastic foam in long-term mechanical response
journal, April 2016


Silicone foams stabilized by surfactants generated in situ from allyl-functionalized PEG
journal, January 2010