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    • 89. 发明授权
    • Foam glass having a low coefficient of thermal expansion and related methods
    • 具有低热膨胀系数的发泡玻璃及相关方法
    • US08936850B2
    • 2015-01-20
    • US13810602
    • 2011-07-14
    • Bo Wang
    • Bo Wang
    • B32B3/26B32B3/00C03C11/00B28B7/04C03C1/00C03C3/091
    • C03C11/007C03C1/00C03C3/091Y10T428/249953Y10T428/249969
    • Foam glass may include natural glass, wherein the foam glass includes greater than 5% alumina by weight of the foam glass and has a coefficient of thermal expansion ranging between 4×10−6 ppm/° C. and 6×10−6 ppm/° C. A composition for making foam glass may include natural glass including at least 5% alumina by weight of the composition, soda ash including less than 10% by weight of the composition, and boric acid including at least 5% by weight of the composition. A method for making foam glass may include mixing natural glass with boron to form a mixture, milling the mixture, melting the mixture at a temperature of at least 900° C., and allowing the melted mixture to cool, such that the foam glass includes at least 5% alumina by weight of the foam glass and at least 5% boron oxide by weight of the foam glass.
    • 泡沫玻璃可以包括天然玻璃,其中泡沫玻璃包括大于5重量%的泡沫玻璃的氧化铝,并且具有在4ppm /℃至6ppm /℃之间的热膨胀系数。用于制造泡沫的组合物 玻璃可以包括天然玻璃,其包括按组合物重量计至少5%的氧化铝,包含小于组合物重量的10%的苏打灰,以及包含至少5%重量组合物的硼酸。 制造泡沫玻璃的方法可以包括将天然玻璃与硼混合以形成混合物,研磨混合物,在至少900℃的温度下熔化混合物,并使熔融的混合物冷却,使得泡沫玻璃包括 泡沫玻璃的至少5重量%氧化铝和泡沫玻璃重量的至少5重量%的氧化硼。