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    • 99. 发明授权
    • Fire resistant, bauxite-containing, wood composition board
    • 耐火,含铝土矿,木质组合板
    • US4077833A
    • 1978-03-07
    • US630615
    • 1975-11-10
    • James R. Roberts
    • James R. Roberts
    • C04B26/28C04B30/02D21H3/22D21H3/28D21H3/66
    • C04B30/02C04B26/285Y02W30/97Y10S428/92Y10T428/263
    • A fire resistant bauxite composition board comprises, in percent by weight, from 10 to 85% lignocellulose particles, from 65 to 20% bauxite particles, and from 5 to 25% binder, particularly a hydrated cellulosic gel binder. The bauxite, (aluminum oxide dihydrate), is characterized by containing a large amount of water of hydration, by stability below 200.degree. C., and by release of its water of hydration at above 200.degree. C. Accordingly, the bauxite-containing board is stable during its manufacture, storage and use. However, in a fire situation the substantial amount of released water of hydration materially supplements the inherent non-combustible character of the bauxite in increasing the fire resistance of the board.
    • 耐火铝土矿组合物板包含10至85%的木质纤维素颗粒,65至20%的铝土矿颗粒和5至25%的粘合剂,特别是水合纤维素凝胶粘合剂。 铝土矿(氧化铝二水合物)的特征在于含有大量的水合水,稳定性低于200℃,并且通过在200℃以上释放其水合水。因此,含铝土矿的板 在其制造,储存和使用期间是稳定的。 然而,在火灾的情况下,大量释放的水合水可以增加铝土矿的固有不燃性,从而提高板的耐火性。