Journal
CHEMISTRY OF MATERIALS
Volume 28, Issue 22, Pages 8340-8346Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.6b03624
Keywords
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Funding
- National Science Foundation (NSF) through the Center for Sustainable Polymers [CHE-1413862]
- NSF MRSEC program [DMR-1120296]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1413862] Funding Source: National Science Foundation
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Cotton fabric is covalently functionalized with a porous beta-cyclodextrin polymer by including the fabric in the polymerization mixture. The resulting functionalized fabric (CD-TFP@cotton) sequesters organic micropollutants, such as bisphenol A, from water with outstanding speed and a capacity 10-fold higher than that of untreated cotton. The functionalized fabric also readily captures volatile organic compounds (VOCs) from the vapor phase more quickly and with a capacity higher than that of untreated cotton as well as three commercially available fabric-based adsorbents. Volatile adsorbed pollutants were fully extracted from CD-TFP@cotton under reduced pressure at room temperature, permitting simple reuse. These properties make cotton functionalized with the cyclodextrin polymer of interest for water purification membranes, odor controlling fabrics, and respirators that control exposure to VOCs. This functionalization approach is scalable, likely to be amenable to other fibrous substrates, and compatible with existing fiber manufacturing techniques.
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