Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 141, Issue 39, Pages 15626-15633Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b07301
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Funding
- Defense Threat Reduction Agency [HDTRA1-18-1-0003, HDTRA1-19-1-0007]
- Institute of Textile and Clothing, The Hong Kong Polytechnic University
- Soft and Hybrid Nanotechnology Experimental (SHyNE) Resource [NSF NNCI-1542205]
- MRSEC program at the Materials Research Center [NSF DMR-1720139]
- International Institute for Nanotechnology (IIN)
- Keck Foundation
- State of Illinois, through the IIN
- NSF [CHE1048773, DMR0521267]
- State of Illinois
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Organophosphonate-based nerve agents, such as VX, Sarin (GB), and Soman (GD), are among the most toxic chemicals to humankind. Recently, we have shown that Zr-based metal-organic frameworks (Zr-MOFs) can effectively catalyze the hydrolysis of these toxic chemicals for diminishing their toxicity. On the other hand, utilizing these materials in powder form is not practical, and developing scalable and economical processes for integrating these materials onto fibers is crucial for protective gear. Herein, we report a scalable, template-free, and aqueous solution-based synthesis strategy for the production of Zr-MOF-coated textiles. Among all MOF/fiber composites reported to date, the MOF-808/polyester fibers exhibit the highest rates of nerve agent hydrolysis. Moreover, such highly porous fiber composites display significantly higher protection time compared to that of its parent fabric for a mustard gas simulant, 2-chloroethyl ethyl sulfide (GEES). A decreased diffusion rate of toxic chemicals through the MOF layer can provide time needed for the destruction of the harmful species.
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