Multi-layer coated products and curtain coating process for...

D - Textiles – Paper – 21 – H

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D21H 19/82 (2006.01) D21H 19/66 (2006.01) D21H 23/48 (2006.01) D21H 19/42 (2006.01)

Patent

CA 2579972

The invention relates to coated products for printing on including a substrate and at least two different coatings having different properties, which comprise a low-coat layer, adjacent to the substrate, preferably pigmented, for printing properties and possibly optical properties, and a different top- coat layer, farther from the substrate, comprising optical pigments for optical effect properties, each coating having a dry coatweight ranging from 0.1 to 12 g/m2. The invention also concerns a one-pass wet-on-wet multi-layer curtain coating process for producing said coated products suitable for printing on.

La présente invention concerne des produits couchés destinés à l'impression qui comprennent un substrat et au moins deux revêtements différents présentant des propriétés différentes tels qu'une couche inférieure adjacente au substrat qui est de préférence pigmentée pour présenter des propriétés d'impression et éventuellement des propriétés optiques, et une couche supérieure différente, plus éloignée du substrat, qui comprend des pigments optiques pour assurer des propriétés d'effet optique, chaque revêtement ayant un poids de couche à sec qui se situe entre 0,1 et 12 g/m2. Cette invention concerne également un procédé de couchage par voile multicouche mouillé sur mouillé en une seule étape utilisé pour produire ces produits couchés appropriés à l'impression.

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