Journal
RADIATION PHYSICS AND CHEMISTRY
Volume 80, Issue 11, Pages 1233-1241Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.radphyschem.2011.04.012
Keywords
Radiation; Grafting; [2-(Acryloyloxyethyl)]trimethylammonium chloride (AETC); 2-Hydroxyethyl methacrylate (2-HEMA); Antibacterial
Funding
- International Atomic Energy Agency [14643/RO]
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High energy gamma radiation has been used to covalently link polymer chains of a quaternary ammonium salt containing monomer, viz. [2-(Acryloyloxyethyl)]trimethylammonium chloride (AETC) to cotton fabric by mutual radiation grafting using 2-hydroxyethyl methacrylate (2-HEMA) monomer as the grafting facilitator. Grafting yield was found to increase with the radiation dose and monomer concentration. The grafted samples have been characterized for water uptake, surface morphology and thermal stability and for their antibacterial efficacy against various bacteria and were found to possess significant antibacterial activity particularly against gram-positive bacteria. (C) 2011 Elsevier Ltd. All rights reserved.
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