Journal
CHEMICAL ENGINEERING JOURNAL
Volume 371, Issue -, Pages 306-313Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2019.04.075
Keywords
Nanocrystalline cellulose; N-halamine; Aerogels; Oil/water separation; Antibacterial
Categories
Funding
- national first-class discipline program of Light Industry Technology and Engineering [LITE2018-21]
- Fundamental Research Funds for the Central Universities [JUSRP51722B, JUSRP11806]
- Project of Jiangsu Science and Technological Innovation Team
- 111 Projects [B17021]
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An N-halamine precursor monomer, cyanuric chloride (CYCH), was attached onto nanocrystalline cellulose (NCC) and chloropropyltriethoxysilane (CPTES) was used as a crosslinking agent to prepare hydrogels based on the modified nanocrystalline cellulose. The aerogels were obtained by freeze-drying the hydrogels followed by chlorination. Microscopic investigation of the morphology revealed that the aerogels were porous with three-dimensional web-like microstructure. Their hydrophobic properties were efficient in removing dodecane spills from water. The response of the chlorinated aerogels challenged against Staphylococcus aureus (ATCC 6538) and Escherichia coli O157:H7 (ATCC 43895) showed their potent antimicrobial activities in killing these two bacterial species. Their properties of being ultralight, highly porous, hydrophobic, reusable, superabsorbing, and antibacterial efficient render these aerogels promising materials for cleaning up oil spills and inactivating bacteria.
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