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US 12,637,810 B2Granted
Board, method for manufacturing a board and a panel comprising such board material
AssigneeUnilin BV
InventorsBenjamin Clement, José Meirlaen, Marijn Seynaeve
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Abstract
A board including a plurality of layers having a different composition. At least one of the layers is based on MgO and MgChloride and/or at least one of said layers is based on MgO and MgSulphate. Methods for manufacturing such boards, and methods for manufacturing coated panels include such board.
Claims18
A board, wherein this board is a board comprising
- 5Mg(OH2)·MgSO4·7H2O;
- wherein the board is based on magnesiumoxysulphate (MOS) based on MgO and MgSulphate;
- wherein the board is in a dried condition and retains residual humidity with a residual moisture content of 7 wt. % or below, and a residual moisture of more than 4 wt. % through a thickness of the board comprising MOS.
A board, wherein this board comprises a plurality of layers having a different composition,
- wherein this board is a board comprising 5Mg(OH2)·MgSO4·7H2O,
- wherein at least one of said layers is based on MgO and MgSulphate,
- wherein said board comprises at least three layers,
- wherein a centrally located layer has a different composition compared to at least one of the more outwardly located layers,
- wherein the board is in a dried condition and retains residual humidity with a residual moisture content of 7 wt. % or below, and a residual moisture of more than 4 wt. %, through a thickness of the one of said layers based on MOS and MgSulphate.
2 more elements
Dependencies are inferred from the claim text.