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US 2014/0227928 A1Published application
Composite material and method for producing same
AssigneeBayer Intellectual Property GmbH
InventorsHubert Ehbing, Reinhard Albers, Bernd Rothe, Hans-Guido Wirtz
Life of this patent
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Abstract
The invention relates to a composite material made of a layer of inorganic, non-metal material and a sandwich element, and to a method for producing said composite material.
Claims13
1-12. (canceled)
A composite material consisting essentially of A) a layer of inorganic non-metallic material and B) a sandwich element, wherein the sandwich element includes
- a) at least one spacer composed of a foamed plastic,
- b) on that side of the spacer which faces said layer (A) at least one layer of completely cured polyurethane and a polyurethane-permeable substrate from the group consisting of wovens, knits, nonwovens, scrims and mats of plastic, glass and/or carbon, and
- c) on that side of the spacer which faces away from said layer (A) at least one layer of completely cured polyurethane reinforced with glass fiber mats and having a glass fiber content of at least 20 wt %, based on the layer facing away from said layer (A).
Dependencies are inferred from the claim text.