Method for producing wood fiber insulating material products, and wood fiber insulating material product
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United States of America Patent
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Issued Date -
Feb 15, 2024
app pub date -
Dec 7, 2021
filing date -
Dec 8, 2020
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Abstract
The invention relates to a method for producing flexible or elastic wood fiber insulating material products, having the following steps: -providing wood fibers which have been produced in a refiner. -providing multicomponent fibers with an inner and an outer component, said outer component melting or fusing at a melting temperature at which the inner component does not melt or fuse or has not yet melted or fused. -providing a mixture of wood fibers and multicomponent fibers. -heating the mixture to a temperature at which the outer component melts or fuses, and—connecting the multicomponent fibers together and to the wood fibers while cooling the mixture, wherein hardwood fiber bundles, in particular beechwood fiber bundles, are used as the wood fibers, and biodegradable multicomponent fibers are used as the multicomponent fibers.
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