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Developing a Cost-Effective Composite Based on Electroless Nickel-Coated Cellulose Fibres for Electromagnetic Interference Shielding

P. Sittisart1,*, M.M. Hyland1, M.A. Hodgson1, C. Nguyen2, A. Fernyhough3

1 Department of Chemical and Material Engineering, University of Auckland, Level 8, Tower Block, Faculty of Engineering Building, 20 Symonds Street, Auckland, New Zealand
2 Product Accelerator, University of Aukland, Level 2, Rooms 221-225, Building 903, 262-366 Khyber Pass, Auckland, New Zealand
3 Scion, 49 Sala Street, Rotorua, New Zealand

* Corresponding Author: email

Journal of Renewable Materials 2014, 2(4), 264-269. https://doi.org/10.7569/JRM.2014.634123

Abstract

A series of composites based on polypropylene with different loadings of nickel-coated cellulose fi bres (NCCF) were fabricated with the aim to create a composite suitable for EMI shielding and/or electrostatic discharge application. Various properties such as EMI shielding effectiveness, surface resistivity, volume resistivity and fl exural strength were characterised according to ASTM standard. Both surface and volume resistivity suggested that the electrical conductivity of NCCF was not high enough and the composite remains electrically non-conducting up to 40 wt% loading of NCCF. However, nickel particles were still able to shield electromagnetic radiation regardless of their connectivity and conductivity. This was reinforced by EMI shielding measurement which showed that EMI shielding effectiveness of 6.5 dB was obtained by composite containing 40 wt% NCCF. Mechanical property characterisation showed that the NCCF composites have higher fl exural strength than pure polypropylene. This is a positive effect as NCCF is now acting as a conducting reinforcing material rather than simply a conducting fi ller. Furthermore, the composites maintained approximately similar fl exural strength regardless of the loading of NCCF.

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APA Style
Sittisart, P., Hyland, M., Hodgson, M., Nguyen, C., Fernyhough, A. (2014). Developing a cost-effective composite based on electroless nickel-coated cellulose fibres for electromagnetic interference shielding. Journal of Renewable Materials, 2(4), 264-269. https://doi.org/10.7569/JRM.2014.634123
Vancouver Style
Sittisart P, Hyland M, Hodgson M, Nguyen C, Fernyhough A. Developing a cost-effective composite based on electroless nickel-coated cellulose fibres for electromagnetic interference shielding. J Renew Mater. 2014;2(4):264-269 https://doi.org/10.7569/JRM.2014.634123
IEEE Style
P. Sittisart, M. Hyland, M. Hodgson, C. Nguyen, and A. Fernyhough "Developing a Cost-Effective Composite Based on Electroless Nickel-Coated Cellulose Fibres for Electromagnetic Interference Shielding," J. Renew. Mater., vol. 2, no. 4, pp. 264-269. 2014. https://doi.org/10.7569/JRM.2014.634123



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