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Designing bicontinuous silica-epoxy nanocomposites
File(s)
OA Location
Author(s)
Shaw, Charles
Anthony, David
Garguili, Joseph
Hamerton, Ian
Shaffer, Milo
Type
Conference Paper
Abstract
A nanocomposite reinforced with a 3D, connected, stiff framework should offer better performance than a simple dispersion of nanoparticles. Monolithic porous silica can be used as this framework by providing a fully connected but open porous supporting skeleton for reinforcing organic polymers. Infusion of epoxy resin into silica aerogel pores may produce a bicontinuous material that more efficiently exploits the intrinsic properties of each solid phase: bicontinuous aerogel and polymer matrix component. Matrix infusion into an aerogel monolith in principle allows greater silica content than shear mixing (of particles) which is limited by aggregation and high shear viscosities. Silica content is maximised by producing aerogels of unusually high envelope density (0.2 g.cm⁻³ – 0.8 g.cm⁻³).
Date Issued
2023-02-01
Date Acceptance
2022-02-18
Citation
Proceedings of the 20th European Conference on Composite Materials - Composites Meet Sustainability (Vol 1-6), 2023, A, pp.1445-1450
URI
DOI
ISBN
978-2-9701614-0-0
Publisher
Composite Construction Laboratory (CCLab)
Start Page
1445
End Page
1450
Journal / Book Title
Proceedings of the 20th European Conference on Composite Materials - Composites Meet Sustainability (Vol 1-6)
Volume
A
Copyright Statement
 © ©2022 Shaw et al. doi: 10.5075/epfl-28799_978-2-9701614-0-0 published under CC BY-NC 4.0 license (https://creativecommons.org/licenses/by-nc/4.0/)
License URL
Sponsor
Engineering & Physical Science Research Council (EPSRC)
Grant Number
EP/T011653/1
Source
ECCM20 - The 20th European Conference on Composite Materials
Notes
©2022 The Author(s). The CC BY-NC 4.0 license permits non-commercial reuse, transformation, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial reuse, please contact the authors. For further details please read the full legal code at http://creativecommons.org/licenses/by-nc/4.0/legalcode
Publication Status
Published
Start Date
2022-06-26
Finish Date
2022-06-30
Coverage Spatial
Lausanne, Switzerland
Date Publish Online
2022-12-12