Bio-Based Soft Elastomeric Capacitor for Structural Health Monitoring Applications

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dc.contributor.author Kharroub, Sari
dc.contributor.author Laflamme, Simon
dc.contributor.author Laflamme, Simon
dc.contributor.author Madbouly, Samy
dc.contributor.author Ubertini, Filippo
dc.contributor.department Civil, Construction and Environmental Engineering
dc.date 2018-02-16T08:43:29.000
dc.date.accessioned 2020-06-30T01:13:43Z
dc.date.available 2020-06-30T01:13:43Z
dc.date.copyright Wed Jan 01 00:00:00 UTC 2014
dc.date.issued 2014-12-02
dc.description.abstract <p>Recent advances in flexible electronics have enabled the development of large-area electronics, which are typically fabricated from petroleum-based polymers. With the rapidly growing market of flexible electronics and sensors, there is a pressure to move toward environmentally friendly products. In this article, a bio-based polyurethane soft elastomeric capacitor for structural health monitoring applications is presented. The sensor’s dielectric is fabricated using castor oil–based waterborne polyurethane, mixed with titanium dioxide, which replaces petroleum-based dielectric materials (e.g. styrene-ethylene/butylene-styrene) previously used by the authors. A critical advantage of the proposed castor oil–based polyurethane over styrene-ethylene/butylene-styrene is the environmentally friendly nature of the bio-based polymer and water-based fabrication process of the dielectric that limits the use of solvents. Static characterization demonstrates the linearity of the sensor and its ability to transduce local strain of large surfaces into change in capacitance. Material test results show good physical and chemical properties, despite a decay of the dielectric that occurs after the first 16 days of fabrication.</p>
dc.description.comments <p>This is a manuscript of an article from <em>Structural Health Monitoring</em>, 14(2), 2015: 137-147 doi:<a href="http://www.dx.doi.org/10.1177/1475921714560072" target="_blank">10.1177/1475921714560072</a>.. Posted with permission</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/ccee_pubs/71/
dc.identifier.articleid 1071
dc.identifier.contextkey 7055927
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath ccee_pubs/71
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/13982
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/ccee_pubs/71/2015_LaflammeS_BioBasedSoft.pdf|||Sat Jan 15 01:42:05 UTC 2022
dc.source.uri 10.1177/1475921714560072
dc.subject.disciplines Civil Engineering
dc.subject.disciplines Construction Engineering and Management
dc.subject.disciplines Environmental Engineering
dc.subject.disciplines Structural Engineering
dc.subject.keywords CNDE
dc.subject.keywords Structural health monitoring
dc.subject.keywords strain monitoring
dc.subject.keywords capacitive sensor
dc.subject.keywords soft elastomeric capacitor
dc.subject.keywords bio-based sensor
dc.subject.keywords stretchable sensor
dc.subject.keywords dielectric polymer
dc.subject.keywords large-area electronics
dc.title Bio-Based Soft Elastomeric Capacitor for Structural Health Monitoring Applications
dc.type article
dc.type.genre article
dspace.entity.type Publication
relation.isAuthorOfPublication 84547f08-8710-4934-b91e-ba5f46ab9abe
relation.isOrgUnitOfPublication 933e9c94-323c-4da9-9e8e-861692825f91
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