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US 2022/0018138 A1Published application
Mineral wool board with fillers
AssigneeXylo Technologies AG
InventorDieter DÖHRING
Life of this patent
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Abstract
A method for manufacturing a mineral wool board, comprising the following steps: providing mineral wool fibers having a fiber length of 50 to 800 μm; providing a binder comprising a mixture of liquid resin and mineral fillers having an average grain size d50 of 10 nm to 250 μm; gluing the fibers with the binder, and compressing the glued fibers using heat and pressure.
Claims18
A method for manufacturing a mineral wool board comprising the following steps:
- providing mineral wool fibers with a fiber length of 50 to 800 μm;
- providing a binder comprising a mixture of liquid resin and mineral fillers having an average grain size d50 of 10 nm to 250 μm;
- and thereafter in the order indicated:
- applying ultrasound to the binder to distribute the fillers in the liquid resin;
- gluing the fibers with the binder, and
- pressing the glued fibers using heat and pressure to a density of more than 500 kg/m3.
3 more elements
A mineral wool board comprising:
- mineral wool fibers with a fiber length of 50 to 800 μm;
- binder in the form of cured resin, in particular cured phenolic resin;
- mineral fillers comprising caoline, quartz flour, limestone and/or aluminium oxide with an average grain size d50 of 300 nm to 100 μm, wherein the mineral wool board has a density of more than 500 kg/m3.
Dependencies are inferred from the claim text.