Durable and Washable Antibacterial Copper Nanoparticles Bridged by Surface Grafting Polymer Brushes on Cotton and Polymeric Materials

To increase the durability of antibacterial coating on cotton and polymeric substrates, surface initiated grafting polymer brushes are introduced onto the substrates surface to bridge copper nanoparticles coatings and substrate. The morphologies of the composites consisting of the copper nanoparticl...

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Veröffentlicht in:Journal of nanomaterials 2018-01, Vol.2018 (2018), p.1-7
Hauptverfasser: Wang, Yanbin, Su, Qiong, Li, Zhi, Li, Yi, Sun, Chufeng, Liu, Xuqing
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container_end_page 7
container_issue 2018
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container_title Journal of nanomaterials
container_volume 2018
creator Wang, Yanbin
Su, Qiong
Li, Zhi
Li, Yi
Sun, Chufeng
Liu, Xuqing
description To increase the durability of antibacterial coating on cotton and polymeric substrates, surface initiated grafting polymer brushes are introduced onto the substrates surface to bridge copper nanoparticles coatings and substrate. The morphologies of the composites consisting of the copper nanoparticles and polymer brushes were characterized with scanning electron microscopy (SEM). It was found that copper nanoparticles were uniformly and firmly distributed on the surfaces of the substrates by the polymer brushes; meanwhile, the reinforced concrete-like structures were formed in the composite materials. The substrates coated by the copper nanoparticles showed the efficient antibacterial activity against Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli) even after washing by 30 cycles. The copper nanoparticles were tethered on the substrates by the strong chemical bonds, which led to the excellent washable fitness and durability. The change of the phase structure of the copper was analyzed to investigate the release mechanism of copper ions.
doi_str_mv 10.1155/2018/6546193
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subjects Antimicrobial agents
Bonding strength
Brushes
Cellulose
Chemical bonds
Composite materials
Copper
Cotton
Durability
E coli
Electron microscopy
Fitness
Grafting
Investigations
Materials science
Nanomaterials
Nanoparticles
Nitrogen
Phase transitions
Polyesters
Polyethylene
Polymer matrix composites
Polymerization
Polymers
Reinforced concrete
Solid phases
Substrates
Textiles
title Durable and Washable Antibacterial Copper Nanoparticles Bridged by Surface Grafting Polymer Brushes on Cotton and Polymeric Materials
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