The Surface Modification of Papers Using Laser Processing towards Applications

This work presents the results of paper laser processing. It begins with the selection and examination of the processing parameters, then an examination of the properties of the modified papers and examples of applications of the developed modification method. The properties of laser-modified paper...

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Bibliographic Details
Published in:Materials 2023-10, Vol.16 (20), p.6691
Main Authors: Dudek, Mariusz, Sąsiadek-Andrzejczak, Elżbieta, Jaszczak-Kuligowska, Malwina, Rokita, Bożena, Kozicki, Marek
Format: Article
Language:English
Subjects:
Contact angle
Counterfeiting
Engraving
Investigations
Laser processing
Lasers
Microscopy
Packaging design
Paper products
Parameter modification
Process parameters
Raman spectroscopy
Scanners
Software
Spectrophotometry
Spectrum analysis
Technology application
Wettability
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Summary:This work presents the results of paper laser processing. It begins with the selection and examination of the processing parameters, then an examination of the properties of the modified papers and examples of applications of the developed modification method. The properties of laser-modified paper were studied using reflectance spectrophotometry to examine the colour aspects of the modified papers, scanning electron microscopy (SEM) and confocal microscopy for a morphological analysis, and Raman spectroscopy to analyse the papers under the influence of laser light. The influence of laser processing on the wettability of paper and the evenness of unprinted and printed paper was also investigated. The knowledge gained on paper surface modification with laser light was used to propose several applications, such as methods of marking, tactile detection, the controlled removal of optical brightener, ink, and metallised coatings from paper packaging, highlighting the design and aesthetics of paper. The developed laser-assisted method shows a promising, ecological approach to the design of many value-added paper products.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma16206691