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    • 6. 发明申请
    • INORGANIC BOARD AND INORGANIC BOARD PRODUCTION METHOD
    • 无机板和无机板生产方法
    • US20120231282A1
    • 2012-09-13
    • US13043561
    • 2011-03-09
    • Tadashi SUGITA
    • Tadashi SUGITA
    • B32B19/00B32B13/00B32B37/16
    • B32B37/00B28B1/527B32B13/02B32B13/04B32B2038/0076B32B2264/067B32B2264/10B32B2305/08B32B2305/30B32B2309/02B32B2309/12B32B2315/06C04B28/04C04B2111/00612Y02W30/97C04B14/06C04B14/20C04B18/241C04B40/006C04B40/024
    • The present invention provides an inorganic board having excellent wind pressure resistance and long-term durability, and a production method of such an inorganic board.An inorganic board is obtained by laminating layers comprising a cement, a siliceous material and a woody reinforcement, and has a specific gravity ranging from 1.5 to 2.0; a dimensional change rate upon ten-day moisture desorption at 80° C. of no greater than 0.1%; a dimensional change rate upon seven-day moisture absorption of no greater than 0.1%; a seven-day dimensional change rate, in an environment having a carbon dioxide concentration of 5%, of no greater than 0.1%; and a flexural strength of not lower than 20 N/mm2. A method for producing an inorganic board includes a step of producing raw material slurry comprising a cement, a siliceous material and a woody reinforcement; a step of producing laminated mat by laminating sheets formed by dewatering the obtained raw material slurry; and a step of pressing the laminated mat at a pressure not lower than 50 kg/cm2, and curing the laminated mat at 170 to 200° C. in an autoclave.
    • 本发明提供一种具有优异的耐风压性和长期耐久性的无机基板,以及这种无机基板的制造方法。 通过层压包含水泥,硅质材料和木质增强材料,并具有1.5-2.0的比重来获得无机板; 在80℃下10天湿度解吸的尺寸变化率不大于0.1%; 七天吸湿时的尺寸变化率不大于0.1%; 在二氧化碳浓度为5%的环境中为不大于0.1%的7天尺寸变化率; 弯曲强度不低于20N / mm2。 无机基板的制造方法包括:生产包含水泥,硅质材料和木质增强材料的原料浆料的工序; 通过层压所得原料浆料脱水形成的片材来生产层压垫的步骤; 以及在不低于50kg / cm 2的压力下压制层压垫的步骤,并在170至200℃下在高压釜中固化层压垫。