FIELD: metallurgy.
SUBSTANCE: metal sheet contains metal coversheets and, at least, one core layer of polymer interposed between the cover sheets, which is connected to the closure of the material with the coversheets. The core layer of the multilayer sheet has a fibrous reinforcing component and a fiber surrounding the fibers of the reinforcing component, a polyurethane matrix formed from an aqueous solvent-free polyurethane dispersion. Fibers are present in the polyurethane matrix in the form of short lengths of fibers with a maximum length of 50 mm. The fibers of the reinforcing component consist of mineral fibers, in particular ceramic fibers.
EFFECT: creating a multilayer metal sheet having increased core stiffness characteristics, without limiting its use, particularly suitable for cold forming.
16 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PREPREGS AND ARTICLES MOULDED THEREFROM | 2010 |
|
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| WATER-BASED PAINTS WHICH INCLUDE CROSS-LINKING POLYURETHANE BINDING SUBSTANCES AND A DEFINED SOLVENT COMPOSITION | 2016 |
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| POLYURETHANE PREPREGS AND FIBER COMPOSITE ELEMENTS MADE THEREFROM | 2014 |
|
RU2656051C2 |
