Summaries
A standardised T-peel test was applied to electrolytic tinplate in order to assess the mechanical strength of coatings used on food containers. The amount of strength necessary to separate such substrates and the total energy required to detach different coatings was measured. The effect of temperature and curing time on the adhesive joints was also evaluated. The results indicated which factors must be kept in mind for the correct application of this test. Finally, this study validated the importance of the T-peel test in the quality control of containers in order to increase the service life of the tinplate/food system.
Résumé
Un essai normalisé de pliage en Ta été effectué sur fer-blanc électrolytique afin de déterminer les propriétés méchaniques nécessaires à détacher les revêtements à partir des supports et aussi l’energie nécessaire pour éffectuer un détachement total, dans le cas de divers revêtements, a été mesuré. L’effet de température et de la durée de cuison sur les joints etait egalement évalué. Les résultats ont indiqué les facteurs dont il en tenir attention à l’égard du juste conduite de ce-essaie. Enfin cette étude a confirmé l’importance de l’essaie de pliage en T dans le domaine de contrôle de qualité des emballages afin d’augmenter la vie utile de fer-blanc et des denrées alimentaires.
Zusammenfassung
Eine Methode bei T-Biegung wurde auf Weißblech um der mechanischen Stärke der Beschichtungsstoffes für Nahrungsmittelverpackungen zu bestimmen angewandt. Die Menge der Kraft nötig zu trennen solche Untergrunde und auch die gesamte Kraft nötig zu trennen die verschiedenen Beschichtungsstoffe wurden bestimmt. Die Einfluß der Temperatur und die Vernetzungzeit auf die Fugen des Klebstoffs wurden auch bewertet. Die Resultaten zeigten welche Facktoren mu man immer im Kopt halten um die richtige Anwendung der Prüfung zu bekommen. Schlie ßlich bestätigte die Bedeutung der Normungprüfungmethode bei der Quaitätskontrole der Verpackungen um die Lebensdauer des Weißblech-Nahrungsmittel-systems zu verbessern.
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Zumelzu, E., Gipoulou, G. A T-peel test to assess the adhesive properties of organic coatings applied to electrolytic tinplate. Surface Coatings International Part B: Coatings Transactions 85, 35–38 (2002). https://doi.org/10.1007/BF02699740
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DOI: https://doi.org/10.1007/BF02699740