Mineral fibre board
    21.
    发明授权

    公开(公告)号:US11459754B2

    公开(公告)日:2022-10-04

    申请号:US17006735

    申请日:2020-08-28

    Abstract: A method of manufacturing a mineral fiber insulating board comprising i) spraying a formaldehyde-free aqueous binder solution onto a plurality of mineral fibers to provide uncured binder disposed on the plurality of mineral fibers, ii) passing the plurality of mineral fibers having uncured binder disposed thereon through a curing oven to cure the uncured binder and provide the mineral fiber insulating board with a cured binder disposed on the plurality of mineral fibers in about 0.5%-15% by weight as determined by loss on ignition, wherein the binder is based on reducing sugar(s) and the cured binder includes at least one reaction product of the reducing sugar(s) and an amine reactant.

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