Method for producing coatings sticking discrete patterns on...

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 5/00 (2006.01) A61F 13/82 (2006.01) C09J 7/02 (2006.01)

Patent

CA 2490890

The invention relates to a method for producing discrete patterns of a sticking coating on a substrate, comprising the following steps: (a) moving continuously or discontinuously the substrate in a conveyor device; (b) flatly applying a low viscosity, polymerizable and/or cross-linkable precursor material of a sticking material through at least one opening substantially configured in the form of a slot of a movable application device on the substrate, whereby a pattern is produced by moving the application device relative to the substrate and (c) the applied precursor material is polymerized and/or crosslinked downstream of the application area.

L'invention concerne un procédé pour produire des motifs discrets d'un revêtement adhésif sur un substrat, ce procédé comprenant les étapes suivantes : (a) le substrat est déplacé de façon continue ou discontinue dans une direction d'avance, (b) un précurseur d'une matière adhésive, ce précurseur étant polymérisable et/ou réticulable et présentant une faible viscosité, est appliqué à plat sur le substrat dans une zone d'application à travers au moins une ouverture, sensiblement en forme de fente, d'au moins un dispositif d'application mobile, un motif étant produit par déplacement du dispositif d'application par rapport au substrat, et (c) le précurseur appliqué est polymérisé et/ou réticulé en aval de la zone d'application.

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