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|Title:||Super-hard-surfaced polyaniline films by bulk and surface modifications|
|Authors:||Kang, E.T. |
|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|
|Appears in Collections:||Staff Publications|
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