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Polypyrrole-coated PDMS fibrous membrane: flexible strain sensor with distinctive resistance responses at different strain ranges

Niu, Haitao, Zhou, Hua, Wang, Hongxia and Lin, Tong 2016, Polypyrrole-coated PDMS fibrous membrane: flexible strain sensor with distinctive resistance responses at different strain ranges, Macromolecular materials and engineering, vol. 301, no. 6, pp. 707-713, doi: 10.1002/mame.201500447.

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Title Polypyrrole-coated PDMS fibrous membrane: flexible strain sensor with distinctive resistance responses at different strain ranges
Author(s) Niu, HaitaoORCID iD for Niu, Haitao orcid.org/0000-0002-8442-7444
Zhou, Hua
Wang, Hongxia
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Journal name Macromolecular materials and engineering
Volume number 301
Issue number 6
Start page 707
End page 713
Total pages 7
Publisher Wiley-VCH
Place of publication Weinheim
Publication date 2016-06-07
ISSN 1438-7492
1439-2054
Keyword(s) electrospinning
PDMS fiber
polypyrrole coating
strain sensor
Science & Technology
Technology
Physical Sciences
Materials Science, Multidisciplinary
Polymer Science
Materials Science
POLYMER-COATINGS
FABRICS
TEXTILE
FIBERS
NANOCOMPOSITE
ELASTOMERS
FILMS
Summary Flexible sensors capable of detecting large strain are very useful for health monitoring and sport applications. Here a strain sensor is prepared by applying a thin layer of conducting polymer, polypyrrole (PPy), onto the fiber surface of an elastic fibrous membrane, electrospun polydimethylsiloxane (PDMS). The sensor shows a normal monotonic resistance response to strain in the range of 0–50%, but the response becomes “on-off switching” mode when the strain is between 100 and 200%. Both response modes are reversible and can work repeatedly for many cycles. This unique sensing behavior is attributed to overstretching of the polypyrrole coating, unique fibrous structure, and elasticity of PDMS fibers. It may be useful for monitoring the states where motions are only allowed in a particular range such as joint rehabilitation.
Language eng
DOI 10.1002/mame.201500447
Field of Research 091205 Functional Materials
091209 Polymers and Plastics
Socio Economic Objective 860406 Synthetic Fibres
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, Wiley-VCH
Persistent URL http://hdl.handle.net/10536/DRO/DU:30083225

Document type: Journal Article
Collection: Institute for Frontier Materials
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