Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0379-6779(98)01005-4
Title: Super-hard-surfaced polyaniline films by bulk and surface modifications
Authors: Kang, E.T. 
Neoh, K.G. 
Dong, Y.Q.
Ma, Z.H.
Tan, K.L. 
Issue Date: May-1999
Source: Kang, E.T., Neoh, K.G., Dong, Y.Q., Ma, Z.H., Tan, K.L. (1999-05). Super-hard-surfaced polyaniline films by bulk and surface modifications. Synthetic Metals 101 (1) : 696-. ScholarBank@NUS Repository. https://doi.org/10.1016/S0379-6779(98)01005-4
Abstract: The hardnesses of conventional thermoplastics lie between 0.1-0.6 GPa. The as-cast emeraldine base (EB) exhibits a surface micro-hardness of 1-2 GPa. The hardness is increased to 6 GPa in highly crosslinked EB (x-EB) film and can be further enhanced to about 8 GPa through protonation or through reduction. Surface modification of x-EB films via graft copolymerization with acrylic acid and styrenesulfonic acid readily gives rise to a semi-conductive, super-hard surface, having a micro-hardness of about 20 GPa. This surface hardness is higher than many of known super-hard-surfaced conventional polymers from high-energy ion-beam bombardments.
Source Title: Synthetic Metals
URI: http://scholarbank.nus.edu.sg/handle/10635/66818
ISSN: 03796779
DOI: 10.1016/S0379-6779(98)01005-4
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