Please use this identifier to cite or link to this item: https://doi.org/10.1016/S0014-3057(02)00131-3
Title: Electroless deposition of nickel on fluoropolymers modified by surface graft copolymerization
Authors: Yang, G.H.
Lim, C.
Tan, Y.P.
Zhang, Y. 
Kang, E.T. 
Neoh, K.G. 
Keywords: Adhesion
Electroless plating
Nickel
PTFE
PVDF
Surface grafting
Issue Date: Nov-2002
Source: Yang, G.H., Lim, C., Tan, Y.P., Zhang, Y., Kang, E.T., Neoh, K.G. (2002-11). Electroless deposition of nickel on fluoropolymers modified by surface graft copolymerization. European Polymer Journal 38 (11) : 2153-2160. ScholarBank@NUS Repository. https://doi.org/10.1016/S0014-3057(02)00131-3
Abstract: Surface modification of Ar plasma-pretreated poly(tetrafluoroethylene) (PTFE) and poly(vinylidene fluoride) (PVDF) films via UV-induced graft copolymerization with 4-vinylpyridine (4VP), 2-vinylpyridine (2VP) or 1-vinylimidazole (VIDz) was carried out. Electroless deposition of nickel could be carried out on these graft-modified fluoropolymer surfaces after PdCl2 activation. The surface compositions of the graft-modified films were studied by X-ray photoelectron spectroscopy. The adhesion strength between the surface graft-copolymerized fluoropolymer film and the electrolessly deposited nickel was affected by the type of monomers used for graft copolymerization and the graft concentration. The optimum T-peel adhesion strengths of the electrolessly deposited Ni on the 4VP graft-copolymerized PTFE and PVDF surfaces were about 7 and 13 N/cm, respectively. The metal/fluoropolymer assemblies delaminated by cohesive failure inside the fluoropolymer substrates. The enhanced adhesion between the electrolessly deposited Ni and the surface-modified fluoropolymers is attributable to the interfacial charge transfer interactions between the grafted polymer chains and the deposited metals (Pd and Ni), the spatial distribution of the graft chains into the metal matrix and the covalent tethering of the graft chains on the fluoropolymer surface. © 2002 Elsevier Science Ltd. All rights reserved.
Source Title: European Polymer Journal
URI: http://scholarbank.nus.edu.sg/handle/10635/91958
ISSN: 00143057
DOI: 10.1016/S0014-3057(02)00131-3
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