Journal
PROGRESS IN ORGANIC COATINGS
Volume 76, Issue 4, Pages 541-547Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2012.10.027
Keywords
Antibacterial; Plant oils; Nanoparticles; E. coli; S. aureus
Funding
- Council of Scientific and Industrial Research (New Delhi, India) [13(8464-A)/2011-Pool, 13(8385-A)/Pool/2010]
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Some preliminary investigations on green preparation, morphology and antibacterial behavior of Linseed polyol nanocomposite [LMPOL] for antibacterial polyurethane coatings are summarised. Nanocomposite is prepared in situ with Linseed polyol [LP] matrix as organic and Copper acetate as inorganic constituent by solventless one-pot chemical reaction. The presence of characteristic absorption bands in FTIR spectra confirmed the formation of LMPOL. TEM analysis showed the presence of nano-sized metal oxide in LMPOL. LMPOL showed good antibacterial behavior against E. coli and S. aureus. The interactions between LMPOL and bacterial surfaces lead to good antibacterial efficacy, suggesting membrane disruption based cell death. LMPOL may serve as an excellent starting material for antibacterial polyurethane coating. The approach is an excellent example for the preparation of green polyol from green resource en route Green Chemistry for protective polyurethane coatings. (c) 2012 Elsevier B.V. All rights reserved.
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