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Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application

Piezoresistive behavior of 6 to 9 wt % Ketjenblack-reinforced deproteinized natural rubber (KB/DPNR) nanocomposite developed by two-roll mill was studied under compressive pressure (0 to 12.54 MPa). The 6 wt % KB/DPNR exhibited monotonic piezoresistivity, the highest electrical resistance change (48...

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Main Authors: Madhanagopal, J., Singh, O. P., Sornambikai, S., Omar, A. H., Sathasivam, K. V., Fatihhi, S. J., Abdul Kadir, M. R.
Format: Article
Published: John Wiley and Sons Inc. 2017
Subjects:
T Technology (General)
Online Access:http://eprints.utm.my/id/eprint/76424/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013681085&doi=10.1002%2fapp.44981&partnerID=40&md5=c7042e756d38c9652a8e1a90fc8119c4
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spelling my.utm.764242018-04-30T13:21:17Z http://eprints.utm.my/id/eprint/76424/ Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application Madhanagopal, J. Singh, O. P. Sornambikai, S. Omar, A. H. Sathasivam, K. V. Fatihhi, S. J. Abdul Kadir, M. R. T Technology (General) Piezoresistive behavior of 6 to 9 wt % Ketjenblack-reinforced deproteinized natural rubber (KB/DPNR) nanocomposite developed by two-roll mill was studied under compressive pressure (0 to 12.54 MPa). The 6 wt % KB/DPNR exhibited monotonic piezoresistivity, the highest electrical resistance change (485%), remarkable reversibility and minimal hysteresis. Furthermore, a good sensitivity (S) = 1.1 MPa−1 for 0.25 to 2.49 MPa, high test–retest reliability (intraclass correlation co-efficient, ICC = 0.99) under 0 to 2.49 MPa for three repetitions conducted at an interval of 24 h and excellent repeatability (standard deviation, SD = 4.8%) to a swing of 6.25 MPa for 50 cyclic compression were achieved. Homogeneous dispersion and high aspect ratio of KB and higher chemical linkage (due to double crosslinking agents) between KB and DPNR may be responsible for the enhanced piezoresistivity. For practical application, the KB/DPNR was interfaced with the microcontroller through a bridge rectifier via custom-built Simulink and successfully monitored finger pressure in real time during bone movement on human. John Wiley and Sons Inc. 2017 Article PeerReviewed Madhanagopal, J. and Singh, O. P. and Sornambikai, S. and Omar, A. H. and Sathasivam, K. V. and Fatihhi, S. J. and Abdul Kadir, M. R. (2017) Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application. Journal of Applied Polymer Science, 134 (25). ISSN 0021-8995 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013681085&doi=10.1002%2fapp.44981&partnerID=40&md5=c7042e756d38c9652a8e1a90fc8119c4 DOI:10.1002/app.44981
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
topic T Technology (General)
spellingShingle T Technology (General)
Madhanagopal, J.
Singh, O. P.
Sornambikai, S.
Omar, A. H.
Sathasivam, K. V.
Fatihhi, S. J.
Abdul Kadir, M. R.
Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
description Piezoresistive behavior of 6 to 9 wt % Ketjenblack-reinforced deproteinized natural rubber (KB/DPNR) nanocomposite developed by two-roll mill was studied under compressive pressure (0 to 12.54 MPa). The 6 wt % KB/DPNR exhibited monotonic piezoresistivity, the highest electrical resistance change (485%), remarkable reversibility and minimal hysteresis. Furthermore, a good sensitivity (S) = 1.1 MPa−1 for 0.25 to 2.49 MPa, high test–retest reliability (intraclass correlation co-efficient, ICC = 0.99) under 0 to 2.49 MPa for three repetitions conducted at an interval of 24 h and excellent repeatability (standard deviation, SD = 4.8%) to a swing of 6.25 MPa for 50 cyclic compression were achieved. Homogeneous dispersion and high aspect ratio of KB and higher chemical linkage (due to double crosslinking agents) between KB and DPNR may be responsible for the enhanced piezoresistivity. For practical application, the KB/DPNR was interfaced with the microcontroller through a bridge rectifier via custom-built Simulink and successfully monitored finger pressure in real time during bone movement on human.
format Article
author Madhanagopal, J.
Singh, O. P.
Sornambikai, S.
Omar, A. H.
Sathasivam, K. V.
Fatihhi, S. J.
Abdul Kadir, M. R.
author_facet Madhanagopal, J.
Singh, O. P.
Sornambikai, S.
Omar, A. H.
Sathasivam, K. V.
Fatihhi, S. J.
Abdul Kadir, M. R.
author_sort Madhanagopal, J.
title Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
title_short Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
title_full Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
title_fullStr Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
title_full_unstemmed Enhanced wide-range monotonic piezoresistivity, reliability of Ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
title_sort enhanced wide-range monotonic piezoresistivity, reliability of ketjenblack/deproteinized natural rubber nanocomposite, and its biomedical application
publisher John Wiley and Sons Inc.
publishDate 2017
url http://eprints.utm.my/id/eprint/76424/
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85013681085&doi=10.1002%2fapp.44981&partnerID=40&md5=c7042e756d38c9652a8e1a90fc8119c4
_version_ 1643657306836041728
score 13.211869

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