DEVICE AND METHOD FOR MONITORING THE DRYING/CURING PROCESS OF COATINGS

The present invention relates to a device for monitoring the drying and/or curing process of a coating composition applied at least partially onto at least one surface of a substrate, said device comprising a movable skid (1), which skid (1) in turn comprises at least one substrate holding unit (2),...

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Bibliographische Detailangaben
Hauptverfasser: LIBUTZKI, Harry, BRIESENICK, Daniel, WIGGER, Georg, REICHERT, Nico, SCHAEFER, Kai, HOLZAPFEL, Jan
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:The present invention relates to a device for monitoring the drying and/or curing process of a coating composition applied at least partially onto at least one surface of a substrate, said device comprising a movable skid (1), which skid (1) in turn comprises at least one substrate holding unit (2), at least one lamp (3) used as light source, at least one pattern holder (4) including a pattern, as well as at least one camera (5), wherein substrate holding unit (2), lamp (3) and pattern holder (4) are positioned on skid (1) relative to each other such that light of lamp (3) can illuminate the pattern of pattern holder (4), and after said illumination be projected onto the surface of the substrate, which is held by the substrate holding unit (2), and wherein camera (5) is positioned on the skid (1) relative to substrate holding unit (2) holding the substrate, such that camera (5) is capable of recording images of the light reflected off the surface of said substrate, a use of said device for monitoring the drying and/or curing process of a coating composition applied onto the surface of a substrate, a corresponding method making use of said device as well as a kit-of- parts comprising the device and an oven, as well as to a method of evaluating appearance properties and/or surface properties of a coating obtained by applying the coating composition during drying and/or curing. La présente invention concerne un dispositif de surveillance du processus de séchage et/ou de durcissement d'une composition de revêtement appliquée au moins partiellement sur au moins une surface d'un substrat. Ledit dispositif comprend un patin mobile (1), lequel patin (1) comprend à son tour au moins une unité de maintien de substrat (2), au moins une lampe (3) servant de source de lumière, au moins un support de motif (4) incluant un motif, ainsi qu'au moins une caméra (5). L'unité de maintien de substrat (2), la lampe (3) et le support de motif (4) sont positionnés les uns par rapport aux autres sur le patin (1) de sorte que la lumière de la lampe (3) peut éclairer le motif du support de motif (4) et, après cela, ledit éclairage est projeté sur la surface du substrat, qui est maintenu par l'unité de maintien de substrat (2). La caméra (5) est positionnée sur le patin (1) par rapport à l'unité de maintien de substrat (2) maintenant le substrat, de sorte que la caméra (5) est capable d'enregistrer des images de la lumière réfléchie par la surface dudit substrat. La présente inventio