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A siloxane interlayer approach to enhance surface metallization on polyamide fabrics via electroless copper deposition

  • Synthetic polymers, such as polyamide (PA), inherently possess a moderate number of surface functionalities compared to natural polymers, which negatively impacts the uniformity of metallic coatings obtained through wet-chemical methods like electroless plating. The paper presents the use of a siloxane interlayer formed from the condensation of the hydrolyzed 3-triethoxysilylpropyl succinic anhydride (TESPSA) precursor as a strategy to modify the surface properties of polyamide 6.6 (PA66) fabrics and improve the uniformity of the copper surface coating. The application of the siloxane intermediate coating demonstrates a significant improvement in electrical conductivity, up to 20 times higher than fabrics without the interlayer. The morphology of the coatings was investigated using scanning electron (SEM) and laser confocal scanning microscopy (LSM). In addition, dye adsorption, flexural rigidity, air permeability and contact angle measurements were conducted to monitor the change in the PA66 properties after the siloxane functionalization.

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Author:Justus Landsiedel, Jacqueline Tschannett, Margit Lenninger, Sandra Stroj, Matthias Domke, Thomas Bechtold, Tung Pham, Noemí Aguiló-Aguayo
DOI:https://doi.org/10.1016/j.surfin.2023.103434
ISSN:2468-0230
Parent Title (English):Surfaces and Interfaces
Document Type:Article
Language:English
Year of publication:2023
Release Date:2024/02/29
Volume:42
Issue:Part B
Article Number:103434
Number of pages:7
Organisationseinheit:Forschung / Forschungszentrum Mikrotechnik
DDC classes:600 Technik, Medizin, angewandte Wissenschaften
Open Access?:ja
Peer review:wiss. Beitrag, peer-reviewed
Publicationlist:Domke, Matthias
Stroj, Sandra