Conductive Layers on a Shrinkable PET Film by Flexographic Printing

In this study, the extremely important and difficult topic of flexographic printing on a heat-shrinkable substrate was taken up. Six commercially available, electrically conductive inks based on silver, copper and graphite nanoparticles were selected and tested upon their applicability for printing...

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Bibliographic Details
Published in:Materials 2022-05, Vol.15 (10), p.3649
Main Authors: Lepak-Kuc, Sandra, Wasilewska, Katarzyna, Janczak, Daniel, Nowicka, Tatiana, Jakubowska, Małgorzata
Format: Article
Language:English
Subjects:
Curing
Electrical resistivity
Flexibility
Heat
Inks
Nanoparticles
Packaging industry
Polyethylene terephthalate
Polymers
Printing
Radio frequency identification
Rheological properties
Rheology
Shrinkage
Silver
Substrates
Temperature
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Summary:In this study, the extremely important and difficult topic of flexographic printing on a heat-shrinkable substrate was taken up. Six commercially available, electrically conductive inks based on silver, copper and graphite nanoparticles were selected and tested upon their applicability for printing on the temperature-sensitive PET material. As a printing substrate, the one-direction heat-shrinkable PET film, with a maximum shrinkage of 78%, was selected. All of the examined inks were subjected to the printing process throughout three different anilox line screens. The tested inks, along with the electric paths printed with them, were subjected to various tests. The main parameters were evaluated, such as printability combined with the rheology tests and ink adhesion to the examined PET substrate together with the electrical conductivity before and after the shrinkage.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma15103649