UV Lacquer Systems for Wood and Wood Based Materials

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Surface Characterization, Deposition and Modification".

Deadline for manuscript submissions: closed (20 December 2022) | Viewed by 4637

Special Issue Editors


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Guest Editor
Department of Wood Science and Thermal Techniques, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland
Interests: wood technology; adhesives and lacquer products; wood-based materials; technology; wood gluing; wood finishing
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Guest Editor
Department of Wood Science and Thermal Techniques, Poznan University of Life Sciences, Wojska Polskiego 28, 60-637 Poznan, Poland
Interests: wood technology; lacquer products and adhesives; wood based materials; UV technology; wood finishing; wood gluing
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Faculty of Furniture Design and Wood Engineering, Transilvania University of Brasov, 5000068 Brasov, Romania
Interests: wood processing; wood modification; discolorations of wood; coatings
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Finishing of wood and wood-based material surfaces with lacquer products decides aesthetic–decorative features of the final products and gives them functional characteristics. The obtained coatings show the resistance to abiotic factors (climatic, mechanic, thermal and chemical) and biotic and also the suitable durability during aging. Undertaken over the recent years, innovative activities in the field of lacquer products contained a few directions, e.g., improvement of the quality of obtained coatings, enlarging of the technological process effectiveness reduces emission of volatile organic compounds and industrial waste materials, and also to the assurance of safe working conditions. The kind of lacquer products is connected the technology of their applications. A very interesting opportunity belongs to technologies of the curing and hardening with the use of UV radiation methods. Perspectives of the development of the UV technologies in the significant measure are determined through an initiation in EU countries with rigorous regulations within the range environmental protections, consequential particularly from the emission of VOC. Conventional solutions in this regard (mercury and gallium radiators) are characterized with very high energy consumption. In the last years, investigations on UV radiators of the new generation in low-energetic solutions with the use of the LED/Light Emission Diode/system have started.

The finishing process of wood and wood-based materials belongs on many factors, e.g., wood roughness after sanding of wood and wood based material surfaces, wettability and adhesion strength, kind of UV lacquer system, application methods, kind, amount and power of radiators.

It is our pleasure to invite you to submit a manuscript to a Special Issue of the Coatings journal. This Special Issue will report on progress in the frame of finishing of wood and wood-based materials with the use of UV lacquer products. Both surface preparation and hardening and properties of the lacquer system are within the scope.

Dr. Tomasz Krystofiak
Dr. Barbara Lis
Dr. Emilia-Adela Salca
Guest Editors

Manuscript Submission Information

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Keywords

  • wood and wood based material surfaces properties (roughness after sanding)
  • interlayer adhesion (wettability, adhesion strength)
  • ecological UV lacquer products for the application with rollers and spraying guns
  • curing and hardening process with the use of Hg, Ga and LED radiators
  • resistance of coatings to mechanical, chemical, thermal factors, stability during aging

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Published Papers (1 paper)

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Research

14 pages, 2969 KiB  
Article
Gloss Level of HDF Finished with Different Numbers of Layers and Hardened with UV Hg-Ga Lamps of Selected Power
by Milena Henke, Barbara Lis and Tomasz Krystofiak
Coatings 2022, 12(4), 533; https://doi.org/10.3390/coatings12040533 - 15 Apr 2022
Cited by 6 | Viewed by 2682
Abstract
A key feature of varnish coatings on furniture surfaces is their optical properties, which often determine customers’ purchase choices. Furniture may be produced using various boards, which are much cheaper than wood-based materials. For their finishing, among others, UV-cured varnish products are used. [...] Read more.
A key feature of varnish coatings on furniture surfaces is their optical properties, which often determine customers’ purchase choices. Furniture may be produced using various boards, which are much cheaper than wood-based materials. For their finishing, among others, UV-cured varnish products are used. The aim of this study was to determine the effect of different types of HDF boards, the amount of basecoat and topcoat applied, the number of layers, and the different lamp powers used for hardening on the gloss of coatings obtained using UV technology. The gloss was tested with a photoelectric apparatus. An auxiliary parameter in the assessment of the gloss of the coatings was the surface roughness, which was measured with the Mitutoyo SJ-210 Analysis of variance (ANOVA) was used to obtain the results. Statistical considerations showed that the amount of topcoat applied, the power of the lamps, and the interactions between them had the greatest impact on gloss, followed by the number of layers. In general, the gloss of the coating decreased with a decrease in lamp power in the range of 120–60 W/cm and with an increase in the amount of topcoat applied. Full article
(This article belongs to the Special Issue UV Lacquer Systems for Wood and Wood Based Materials)
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