Toward flexible and antibacterial piezoresistive porous devices for wound dressing and motion detectors

ABSTRACT Wearable and antibacterial porous devices are promising new multifunctional materials with a wide range of applications in wound dressing and human motion monitoring systems. The deposition of carbon nanotubes and polypyrrole coating on conventional elastomers (polyurethane) is a single‐ste...

Full description

Saved in:
Bibliographic Details
Published in:Journal of polymer science. Part B, Polymer physics Polymer physics, 2018-07, Vol.56 (14), p.1063-1072
Main Authors: da Silva, Fernando A. G., de Araújo, Clisman M. S., Alcaraz‐Espinoza, Jose J., de Oliveira, Helinando P.
Format: Article
Language:English
Subjects:
antibacterial
Carbon nanotubes
Deformation
E coli
Elastomers
Elbow (anatomy)
Human motion
Klebsiella
Knee
Microcracks
motion detector
Multifunctional materials
piezoresistive
polypyrrole
Polypyrroles
Polyurethane resins
Porous materials
Wound healing
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:ABSTRACT Wearable and antibacterial porous devices are promising new multifunctional materials with a wide range of applications in wound dressing and human motion monitoring systems. The deposition of carbon nanotubes and polypyrrole coating on conventional elastomers (polyurethane) is a single‐step procedure that results in a low‐cost, highly conductive, and flexible piezoresistive material with pressure sensitivity of 0.09 kPa−1, Gauge Factor of −10.3, high stability in response to different mechanical efforts and reversible netlike microcracks formation under moderate stretching deformation. The resulting porous material provides direct detection of simple movements from human joints (knee, finger, and elbow) and intrinsic antibacterial activity against Staphylococcus aureus, Klebsiella pneumoniae, and Escherichia coli. © 2018 Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2018, 56, 1063–1072 Nanocomposites of carbon nanotubes/polypyrrole coating on conventional elastomers (polyurethane) are low cost, highly conductive, promising prototypes of flexible piezoresistive materials. These nanocomposites are characterized by high stability in response to different mechanical efforts and reversible netlike microcrack formation under moderate stretching deformation. The resulting porous material provides direct detection of simple movements from human joints (knee, finger, and elbow) and intrinsic antibacterial activity against Staphylococcus aureus, Klebsiella pneumoniae, and Escherichia coli.
ISSN:0887-6266
1099-0488
DOI:10.1002/polb.24626