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N-Halamine-coated cotton for antimicrobial and detoxification applications
Date
2009-09-01
Author
Ren, Xuehong
Akdağ, Akın
Kocer, Hasan B.
Worley, S. D.
Broughton, R. M.
Huang, T. S.
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
.
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A new N-halamine precursor, 3-(2,3-dihydroxypropyl)-7,7,9,9-tetramethyl- 1,3,8-triazaspiro[4.5]decane-2,4-dione (TTDD diol), was synthesized and bonded onto cotton fabrics. Fabrics with variable amounts of chlorine loading were prepared by using several concentrations of TTDD diol. A second N-halamine precursor, 3-(3-triethoxysilylpropyl)-7,7,9,9-tetramethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione (TTDD siloxane), was also synthesized and bound to cotton for comparison purposes. The coated cotton fabrics contained two types of N-Cl moieties after chlorination of the amine and amide groups. Swatches with variable chlorine loadings were challenged with Staphylococcus aureus and Escherichia coli O157:H7 as a function of contact time. The biocidal test results showed that the chlorine loadings and surface hydrophobicities influenced the antimicrobial efficacies. The chlorinated swatches have also been employed to oxidize the simulant of chemical mustard to the less toxic sulfoxide derivative.
Subject Keywords
N-Halamine
,
Antimicrobial
,
Bacteria
,
Biocidal
,
Cellulose
URI
https://hdl.handle.net/11511/56846
Journal
CARBOHYDRATE POLYMERS
DOI
https://doi.org/10.1016/j.carbpol.2009.03.029
Collections
Department of Chemistry, Article