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US 2020/0369010 A1Published application
Method for producing a multi-layer substrate
AssigneeHenkel AG & Co. KGaA
InventorsRoland BOCHNIA, Stefan STRENGER, Rainer BONGERS, Mario ECKERS
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Abstract
The present invention relates to a method for producing a multi-layer substrate, said substrate comprising a multifunctional coating, and to the use of the substrate produced by this method.
Claims16
A method of producing a multi-layer substrate comprising the following steps:
- a) providing a first material having a first surface with at least one edge region and at least one inner region enclosed by the edge region;
- b) applying a coating material to the inner region of the first surface, the coating material comprising expandable microparticles;
- c) drying the coating material;
- and
- d) contacting the first surface of the first material with a surface of a second material to form the multi-layer substrate such that the coating material is between the first material and the second material.
2 more elements
Dependencies are inferred from the claim text.