Rechargeable antimicrobial coatings for poly(lactic acid) nonwoven fabrics

被引：40

作者：

Cerkez, Idris ^{[1
]}

Worley, S. D. ^{[1
]}

Broughton, R. M. ^{[2
]}

Huang, T. S. ^{[3
]}

机构：

[1] Auburn Univ, Dept Chem & Biochem, Auburn, AL 36849 USA

[2] Auburn Univ, Dept Polymer & Fiber Engn, Auburn, AL 36849 USA

[3] Auburn Univ, Dept Poultry Sci, Auburn, AL 36849 USA

来源：

POLYMER | 2013年 / 54卷 / 02期

关键词：

Antimicrobial; N-halamine; Poly(lactic acid); HALAMINE POLYMERIC BIOCIDES; N-HALAMINE; GRAFT-POLYMERIZATION; ALLYL MONOMER; ANTIBACTERIAL; POLY(ETHYLENE-TEREPHTHALATE); POLYPROPYLENE; COPOLYMERS; CHITOSAN; LIGHT;

D O I：

10.1016/j.polymer.2012.11.049

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A novel heterocyclic N-halamine acetate homopolymer was synthesized and characterized by ATR-IR, NMR and MALDI-TOF spectroscopy and TGA and DSC analysis. The homopolymer was coated onto poly(lactic acid) (PLA) meltblown nonwoven fabric, and the surfaces were rendered biocidal upon exposure to dilute sodium hypochlorite solution. The coatings were quite stable versus UVA and florescent light exposure. Moreover, they exhibited long-term shelf-life stability, and they were rechargeable when oxidative chlorine on the surfaces was partially exhausted after three months storage. It was found that the chlorinated fabrics exhibited effective antimicrobial activity with about six logs inactivation of Staphylococcus aureus and Escherichia coli O157:H7 within 30 min of contact time. The coated PLA possesses potential for use in antimicrobial food packaging, filters, and hygiene products. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：536 / 541

页数：6

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