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Métallisation Electroless des Polymères Induite par des Ligands

Abstract : The main goal of this research project was to answer to an industrial issue: To develop a "green" process for the electroless plating of polymers without chromic acid (CrVI) etching. During this work, an alternative process based on an innovative surface coating technology (Graftfast® technology) has been developed. This technique which is working in aqueous solution and at room temperature allows to chemically graft vinylic polymers on various types of substrates. Based on this method, a poly(acrylic acid) (PAA) layer has been covalently grafted onto various polymer substrates (ABS, ABS-PC, PA, PET, PVC, PVDF...). Ion exchange properties introduced in these polymer thin films were used to entrap metal salts. Once reduced into this interphase, copper particles act as catalysts of the metal layer growth by immersion into an electroless plating bath. The resulting metal layer owns mechanical and electrical properties competitive with the current industrial processes. Combined with cost-effective and innovative lithographic processes, metal patterns were obtained onto flexible and transparent substrates (PET, PVDF) at the micrometer scale. In order to answer more appropriately to the current environmental and economic constraints, this "wet" Graftfast® surface functionalization process has been replaced by an inkjet-printed and photo-assisted process. This new process also enables to produce metal patterns onto flexible substrates such as glossy papers (PVC) or transparent sheets (PET) with a micrometric resolution. These devices similarly own excellent electrical and mechanical properties and allow considering its use for applications in the microelectronic field.
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Contributor : Alexandre Garcia Connect in order to contact the contributor
Submitted on : Sunday, December 4, 2011 - 4:23:43 PM
Last modification on : Sunday, June 26, 2022 - 12:33:33 AM
Long-term archiving on: : Monday, December 5, 2016 - 4:26:27 AM


  • HAL Id : pastel-00646962, version 1



Alexandre Garcia. Métallisation Electroless des Polymères Induite par des Ligands. Matériaux. Ecole Polytechnique X, 2011. Français. ⟨pastel-00646962⟩



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