Hierarchical 3D Printed Porous Silicones with Porosity Derived from Printed Architecture and Silicone-Shell Microballoons

被引：14

作者：

Loeb, Colin K. ^{[1
]}

Nguyen, Du T. ^{[1
]}

Bryson, Taylor M. ^{[1
]}

Duoss, Eric B. ^{[1
]}

Wilson, Thomas S. ^{[1
]}

Lenhardt, Jeremy M. ^{[1
]}

机构：

[1] Lawrence Livermore Natl Lab, 7000 East Ave, Livermore, CA 94551 USA

来源：

ADDITIVE MANUFACTURING | 2022年 / 55卷

关键词：

Hierarchical porosity; Hollow microballoon; Core-shell; Direct ink write; 3D Printing; PHYSICAL-PROPERTIES; FOAMS; FABRICATION;

D O I：

10.1016/j.addma.2022.102837

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A method is reported to prepare siloxane microballoons that can be loaded into a direct ink write siloxane ink for 3D printing. The resulting structure is subjected to a solvent removal and supercritical drying process to provide a final printed siloxane having both macroscopic and microscopic porosity. Core-shell particles are generated by an emulsion template and phase separation process. Intra-strand closed-cell porosities can be achieved between 10 and 40 vol% thus facilitating additional compressive strain before lockup. Short term compression set testing highlights the excellent shape retention properties of these elastomers, which have less than 8% relative compression set under load.

引用

页数：8

共 39 条

[21] Mechanical properties and antibacterial activity of peroxide-cured silicone rubber foams [J].

Park, Eun-Soo .

JOURNAL OF APPLIED POLYMER SCIENCE, 2008, 110 (03) :1723-1729

[22] Complexities associated with moisture in foamed polysiloxane composites [J].

Patel, Mogon ;

Morrell, Paul ;

Cunningham, Jenny ;

Khan, Niaz ;

Maxwell, Robert S. ;

Chinn, Sarah C. .

POLYMER DEGRADATION AND STABILITY, 2008, 93 (02) :513-519

[23] Water-in-PDMS Emulsion Templating of Highly Interconnected Porous Architectures for 3D Cell Culture [J].

Riesco, Roberto ;

Boyer, Louisa ;

Blosse, Sarah ;

Lefebvre, Pauline M. ;

Assemat, Pauline ;

Leichle, Thierry ;

Accardo, Angelo ;

Malaquin, Laurent .

ACS APPLIED MATERIALS & INTERFACES, 2019, 11 (32) :28631-28640

[24] Utilizing computer vision and artificial intelligence algorithms to predict and design the mechanical compression response of direct ink write 3D printed foam replacement structures [J].

Roach, Devin J. ;

Rohskopf, Andrew ;

Hamel, Craig M. ;

Reinholtz, William D. ;

Bernstein, Robert ;

Qi, H. Jerry ;

Cook, Adam W. .

ADDITIVE MANUFACTURING, 2021, 41

[25] Spectroscopic Signatures of MQ-Resins in Silicone Elastomers [J].

Sawvel, April M. ;

Crowhurst, Jonathan C. ;

Mason, Harris E. ;

Oakdale, James S. ;

Ruelas, Samantha ;

Eshelman, Hannah, V ;

Maxwell, Robert S. .

MACROMOLECULES, 2021, 54 (09) :4300-4312

[26] The moisture outgassing kinetics of a silica reinforced polydimethylsiloxane [J].

Sharma, H. N. ;

McLean, W., II ;

Maxwell, R. S. ;

Dinh, L. N. .

JOURNAL OF CHEMICAL PHYSICS, 2016, 145 (11)

[27] Microencapsulation of Active Ingredients Using PDMS as Shell Material [J].

Teixeira, Roberto F. A. ;

van den Berg, Otto ;

Nguyen, Le-Thu T. ;

Feher, Krisztina ;

Du Prez, Filip E. .

MACROMOLECULES, 2014, 47 (23) :8231-8237

[28] Jamming of granular flow in a two-dimensional Hopper [J].

To, K ;

Lai, PY ;

Pak, HK .

PHYSICAL REVIEW LETTERS, 2001, 86 (01) :71-74

[29] Soft optoelectronic sensory foams with proprioception [J].

Van Meerbeek, I. M. ;

De Sa, C. M. ;

Shepherd, R. F. .

SCIENCE ROBOTICS, 2018, 3 (24)

[30] Physical properties of silicone foams filled with carbon nanotubes and functionalized graphene sheets [J].

Verdejo, Raquel ;

Saiz-Arroyo, Cristina ;

Carretero-Gonzalez, Javier ;

Barroso-Bujans, Fabienne ;

Angel Rodriguez-Perez, Miguel ;

Angel Lopez-Manchado, Miguel .

EUROPEAN POLYMER JOURNAL, 2008, 44 (09) :2790-2797

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