Journal article
Competitive Wetting: A New Approach to Prevent Liquid Penetration through Porous Materials with Superior Synergistic Effect
Small, Vol.17(49), pp.1-7
2021
PMID: 34623728
Abstract
Blocking liquid penetration in porous materials is a key function for several applications including chemical protective clothing (CPC), wound healing, and hygiene products. Enormous efforts are made to prevent liquid penetration through porous media by the modification of materials. CPC is used as an example to demonstrate the effect of the synergistic effect on liquid penetration. A common strategy to achieve liquid protection is the use of liquid-repellent surfaces with the aid of a liquid absorption liner layer. However, this strategy demonstrates limited success for low surface energy liquids. Herein, a novel approach is reported to prevent the permeation of liquid across porous materials by a synergistic effect. Both fabrics are individually susceptible to be wetted by low surface tension liquids. However, when they are assembled, they can prevent low surface tension liquids from penetrating because of the wettability gap between the two fabrics. The fabric assembly demonstrates an increase in the liquid prevention capacity by 70–1000 times compared with a commercial CPC material. This novel synergistic effect may offer a breakthrough in the development of various applications including protective clothing baby nappies, hygiene products, food preparation, soil water retention, and sporting/camping/ski equipment and clothing.
Details
- Title
- Competitive Wetting: A New Approach to Prevent Liquid Penetration through Porous Materials with Superior Synergistic Effect
- Authors
- Jie Ding (Corresponding Author) - Defence Science and Technology GroupJames Kearney (Author) - Defence Science and Technology GroupHongxia Wang (Author) - Institute for Frontier Materials Deakin University Geelong VIC 3216 AustraliaTongfei Tian (Author) - University of the Sunshine Coast, Queensland, School of Science, Technology and EngineeringGregory C Rutledge (Author) - Massachusetts Institute of TechnologyTong Lin (Author) - Institute for Frontier Materials Deakin University Geelong VIC 3216 AustraliaXiaolin Wang (Author) - University of Wollongong
- Publication details
- Small, Vol.17(49), pp.1-7
- Publisher
- Wiley-VCH Verlag GmbH & Co. KGaA
- Date published
- 2021
- DOI
- 10.1002/smll.202103695
- ISSN
- 1613-6829
- PMID
- 34623728
- Data Availability
- Research data are not shared.
- Grant note
- The Defence Science and Technology Group, Australia supported this research. This work was also partially supported by Australian Research Council.
- Organisation Unit
- School of Science, Technology and Engineering
- Language
- English
- Record Identifier
- 99583508902621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Chemistry, Multidisciplinary
- Chemistry, Physical
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied
- Physics, Condensed Matter
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