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Title: Three-dimensional porous siloxanes using leachable porogen particles

Abstract

According to one embodiment, a silicone-based ink for additive manufacturing includes a vinyl-terminated diphenyl siloxane macromer, a treated silica hydrophobic reinforcing filler, a rheology modifying additive, and a plurality of porogen particles. According to another embodiment, a product of additive manufacturing with a silicone-based ink includes a plurality of continuous filaments comprised of a siloxane matrix, where the continuous filaments are arranged in a geometric pattern, a plurality of inter-filament pores defined by the geometric pattern of the continuous filaments, and a plurality of intra-filament pores having an average diameter in a range of greater than 1 micron to less than 50 microns.

Inventors:
; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1860089
Patent Number(s):
11180670
Application Number:
16/368,725
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Classifications (CPCs):
B - PERFORMING OPERATIONS B29 - WORKING OF PLASTICS B29C - SHAPING OR JOINING OF PLASTICS
B - PERFORMING OPERATIONS B33 - ADDITIVE MANUFACTURING TECHNOLOGY B33Y - ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 03/28/2019
Country of Publication:
United States
Language:
English

Citation Formats

Perez, Lemuel Perez, Duoss, Eric B., Lenhardt, Jeremy, and Wilson, Thomas S. Three-dimensional porous siloxanes using leachable porogen particles. United States: N. p., 2021. Web.
Perez, Lemuel Perez, Duoss, Eric B., Lenhardt, Jeremy, & Wilson, Thomas S. Three-dimensional porous siloxanes using leachable porogen particles. United States.
Perez, Lemuel Perez, Duoss, Eric B., Lenhardt, Jeremy, and Wilson, Thomas S. Tue . "Three-dimensional porous siloxanes using leachable porogen particles". United States. https://www.osti.gov/servlets/purl/1860089.
@article{osti_1860089,
title = {Three-dimensional porous siloxanes using leachable porogen particles},
author = {Perez, Lemuel Perez and Duoss, Eric B. and Lenhardt, Jeremy and Wilson, Thomas S.},
abstractNote = {According to one embodiment, a silicone-based ink for additive manufacturing includes a vinyl-terminated diphenyl siloxane macromer, a treated silica hydrophobic reinforcing filler, a rheology modifying additive, and a plurality of porogen particles. According to another embodiment, a product of additive manufacturing with a silicone-based ink includes a plurality of continuous filaments comprised of a siloxane matrix, where the continuous filaments are arranged in a geometric pattern, a plurality of inter-filament pores defined by the geometric pattern of the continuous filaments, and a plurality of intra-filament pores having an average diameter in a range of greater than 1 micron to less than 50 microns.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2021},
month = {11}
}

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