Abstract
The decorative laminates industry is a highly competitive industrial sector. To be profitable, manufacturers of impregnated papers for surface laminated MDF and particleboards need to significantly reduce their production costs. Melamine formaldehyde resin (MF) formulations are commonly used for impregnation and coating of such papers, melamine being an important, but costly raw material used in high quantities. While MF is substituted by cheaper urea formaldehyde resins (UF) in the core impregnation, for paper surface films pure MF is used. Therefore, a further reduction in cost could be achieved if a portion of the melamine in the surface film was replaced by urea. In the present contribution, recent results of technological tests on paper laminates using a novel melamine–urea–formaldehyde resin (MUF) formulation are reported and their performance is compared to traditional surfaces made from MF.
Zusammenfassung
Die Dekorlaminatindustrie ist ein sehr wettbewerbsintensiver Industriesektor. Um profitabel zu sein, sind die Hersteller von imprägniertem Papier für Oberflächen von laminierten MDF und Spanplatten gezwungen, ihre Produktionskosten zu minimieren. Melamin-Formaldehyd-(MF)-Harze sind als Imprägnierharze für solche Papiere weit verbreitet und große Mengen des teuren Rohstoffs Melamin werden dabei verbraucht. Während MF in der Kernimprägnierung bereits großteils durch kostengünstigeres Harnstoffharz (UF) ersetzt wird, verwendet man für Oberflächenfilme nur MF. Daher könnten weitere Kosten gespart werden, wenn ein Teil des Melamins in der Oberfläche ebenfalls durch Harnstoff ersetzt werden würde. Im vorliegenden Beitrag wird von aktuellen technologischen Testergebnissen an Laminaten mit einem neuartigen Melamin-Harnstoff-(MUF)-Harz im Vergleich zu traditionellen MF-Oberflächenfilmen berichtet.
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Kandelbauer, A., Petek, P., Medved, S. et al. On the performance of a melamine–urea–formaldehyde resin for decorative paper coatings . Eur. J. Wood Prod. 68, 63–75 (2010). https://doi.org/10.1007/s00107-009-0352-y
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DOI: https://doi.org/10.1007/s00107-009-0352-y