Porous materials with tunable structure and mechanical properties via templated layer-by-layer assembly
Porous materials with tunable structure and mechanical properties via templated layer-by-layer assembly
The deposition of stiff and strong coatings onto porous templates offers a novel strategy for fabricating macroscale materials with controlled architectures at the micro- and nanoscale. Here, layer-by-layer assembly is utilized to fabricate nanocomposite-coated foams with highly customizable properties by depositing polymer-nanoclay coatings onto open-cell foam templates. The compressive mechanical behavior of these materials evolves in a predictable manner that is qualitatively captured by scaling laws for the mechanical properties of cellular materials. The observed and predicted properties span a remarkable range of density-stiffness space, extending from regions of very soft elastomer foams to very stiff, lightweight honeycomb and lattice materials.
foams, layer-by-layer assembly, mechanical properties, polymer nanoclay composites, porous materials
21968-21973
Ziminska, Monika
a53248bb-9825-4aa4-a9ea-2701a7f618f1
Dunne, Nicholas
d807aea4-6553-47da-a06d-dfb0d4bbe690
Hamilton, Andrew
9088cf01-8d7f-45f0-af56-b4784227447c
19 August 2016
Ziminska, Monika
a53248bb-9825-4aa4-a9ea-2701a7f618f1
Dunne, Nicholas
d807aea4-6553-47da-a06d-dfb0d4bbe690
Hamilton, Andrew
9088cf01-8d7f-45f0-af56-b4784227447c
Ziminska, Monika, Dunne, Nicholas and Hamilton, Andrew
(2016)
Porous materials with tunable structure and mechanical properties via templated layer-by-layer assembly.
ACS Applied Materials and Interfaces, 8 (34), .
(doi:10.1021/acsami.6b07806).
Abstract
The deposition of stiff and strong coatings onto porous templates offers a novel strategy for fabricating macroscale materials with controlled architectures at the micro- and nanoscale. Here, layer-by-layer assembly is utilized to fabricate nanocomposite-coated foams with highly customizable properties by depositing polymer-nanoclay coatings onto open-cell foam templates. The compressive mechanical behavior of these materials evolves in a predictable manner that is qualitatively captured by scaling laws for the mechanical properties of cellular materials. The observed and predicted properties span a remarkable range of density-stiffness space, extending from regions of very soft elastomer foams to very stiff, lightweight honeycomb and lattice materials.
Text
Monika Ziminska Manuscript primary 11 (figResize)
- Accepted Manuscript
More information
Accepted/In Press date: 11 August 2016
e-pub ahead of print date: 19 August 2016
Published date: 19 August 2016
Keywords:
foams, layer-by-layer assembly, mechanical properties, polymer nanoclay composites, porous materials
Identifiers
Local EPrints ID: 413157
URI: http://eprints.soton.ac.uk/id/eprint/413157
ISSN: 1944-8244
PURE UUID: ab9f184b-decd-47f6-88f8-3c0e1c8954cc
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Date deposited: 16 Aug 2017 16:30
Last modified: 12 Nov 2024 05:01
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Author:
Monika Ziminska
Author:
Nicholas Dunne
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