Carbon Black Reinforced Epoxy Resin Nanocomposites as Bending Sensors-Reference-Cited by-同舟云学术

Carbon Black Reinforced Epoxy Resin Nanocomposites as Bending Sensors

Published:2009-02 Issue:4 Volume:43 Page:367-376
ISSN:0021-9983
Container-title:Journal of Composite Materials
language:en
Short-container-title:Journal of Composite Materials

Author:

Wei Zhang ¹,Blackburn Richard S.²,Dehghani-Sanij Abbas A.³

Affiliation:

1. Green Chemistry Group, Centre for Technical Textiles University of Leeds, LS2 9JT, UK, School of Mechanical Engineering, University of Leeds, LS2 9JT, UK

2. Green Chemistry Group, Centre for Technical Textiles University of Leeds, LS2 9JT, UK,

3. School of Mechanical Engineering, University of Leeds, LS2 9JT, UK

Abstract

By blending electrically conducting carbon black particles and silica into poly(bisphenol A-co-epichlorohydrin) epoxy resin polymer, conductive nanocomposites were prepared by printing onto transparency films and curing. Application of a milling procedure prior to application is beneficial for the reduction of cracks in the subsequent nanocomposites. Electrical conduction of nanocomposite is CB content dependent. A percolation region (19—24% CB on mass of resin) exists where the nanocomposite exhibits a transition from an electrical insulator to conductor. Nanocomposites with 14% and 19% CB on mass of resin demonstrated greatest sensitivity to changes in bending angle, attributed to greater localized changes in the conductive paths within a semi-conducting sensor. Good reproducibility was observed as a result of molecular interactions between CB particles and the epoxy resin.

Publisher

SAGE Publications

Subject

Materials Chemistry,Mechanical Engineering,Mechanics of Materials,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0021998308099308

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