Mechanically Robust and Transparent N-Halamine Grafted PVA-co-PE Films with Renewable Antimicrobial Activity

Yang Si, Andrea Cossu, Nitin Nitin, Yue Ma, Cunyi Zhao, Bor sen Chiou, Trung Cao, Dong Wang, Gang Sun

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Antimicrobial polymeric films that are both mechanically robust and function renewable would have broad technological implications for areas ranging from medical safety and bioengineering to foods industry; however, creating such materials has proven extremely challenging. Here, a novel strategy is reported to create high-strength N-halamine incorporated poly(vinyl alcohol-co-ethylene) films (HAF films) with renewable antimicrobial activity by combining melt radical graft polymerization and reactive extrusion technique. The approach allows here the intrinsically rechargeable N-halamine moieties to be covalently incorporated into polymeric films with high biocidal activity and durability. The resulting HAF films exhibit integrated properties of robust mechanical strength, high transparency, rechargeable chlorination capability (>300 ppm), and long-term durability, which can effectively offer 3-5 logs CFU reduction against typical pathogenic bacterium Escherichia coli within a short contact time of 1 h, even at high organism conditions. The successful synthesis of HAF films also provides a versatile platform for exploring the applications of antimicrobial N-halamine moieties in a self-supporting, structurally adaptive, and function renewable form.

Original languageEnglish (US)
JournalMacromolecular Bioscience
DOIs
StateAccepted/In press - 2016

Fingerprint

Bioengineering
Food Industry
Halogenation
Polymerization
Escherichia coli
Bacteria
Transplants
Safety
Polymer films
Durability
Chlorination
Grafts
Transparency
Strength of materials
Extrusion
Ethylene
Alcohols
ethylene-vinyl alcohol copolymer
Industry

Keywords

  • Antimicrobial
  • Medical safety
  • N-halamine
  • Polymeric films
  • Renewable

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomaterials
  • Polymers and Plastics
  • Materials Chemistry

Cite this

Mechanically Robust and Transparent N-Halamine Grafted PVA-co-PE Films with Renewable Antimicrobial Activity. / Si, Yang; Cossu, Andrea; Nitin, Nitin; Ma, Yue; Zhao, Cunyi; Chiou, Bor sen; Cao, Trung; Wang, Dong; Sun, Gang.

In: Macromolecular Bioscience, 2016.

Research output: Contribution to journalArticle

Si, Yang ; Cossu, Andrea ; Nitin, Nitin ; Ma, Yue ; Zhao, Cunyi ; Chiou, Bor sen ; Cao, Trung ; Wang, Dong ; Sun, Gang. / Mechanically Robust and Transparent N-Halamine Grafted PVA-co-PE Films with Renewable Antimicrobial Activity. In: Macromolecular Bioscience. 2016.
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AU - Wang, Dong

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