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US 9,644,321 B2Granted
Method for coating a paper web
AssigneeVits Technology GmbH
InventorPeter Hauer
Life of this patent
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Abstract
The invention relates to a method for coating a paper web (1), comprising the steps in the following sequence: applying a first layer (20) made of a predetermined quantity of melamine resin to a first side of the paper web (1), first drying of the thus coated paper web (1) at a web temperature of at least 120° C., applying a second layer (21) made of a predetermined quantity of urea resin to a second side of the paper web (1), and second drying of the paper web (1) at a web temperature below 100° C.
Claims6
A method of coating a paper web, the method comprising the steps of sequentially:
- applying a first layer composed of a predetermined quantity of only melamine resin to a first face of the paper web;
- first drying the paper web immediately after the application of the first layer at a web temperature of between 110° and 140° C.;
- applying a second layer composed of a predetermined quantity of only urea resin to a second face of the paper web;
- and
- second drying the paper web to which the second layer is applied at a web temperature of between 90° and 110° C.
2 more elements
Dependencies are inferred from the claim text.