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US 11,541,630 B2Granted
Composite boards and panels
AssigneeCeraloc Innovation AB
InventorDarko Pervan
Life of this patent
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Abstract
A building panel including a water resistant core including thermoplastic material and a surface layer including thermosetting resins. Also, production methods to form a board material with a dry blend of thermoplastic particles in powder form and fillers in powder form and to apply a surface layer with a hot-hot lamination process to a core including such board material.
Claims17
A method to produce a building panel, the method comprising:
- providing a core by forming a mat-shaped layer comprising a dry blend of fillers and thermoplastic particles under heat and pressure;
- applying a surface layer comprising a powder mix comprising wood particles and thermosetting resin on the core;
- and
- laminating the surface layer in a pressing operation to the core and thereby forming a building panel,
- wherein the wood particles of the surface layer and the fillers of the core are bonded to each other by cured thermosetting resin.
2 more elements
Dependencies are inferred from the claim text.