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    • 3. 发明授权
    • Formed product of vermiculite and method for producing the same
    • 蛭石成型品及其制造方法
    • US4497869A
    • 1985-02-05
    • US476014
    • 1983-03-15
    • Osami KamigaitoHaruo DoiYoshiaki Fukushima
    • Osami KamigaitoHaruo DoiYoshiaki Fukushima
    • C04B30/00C04B14/20C04B26/02C04B30/02B32B3/26
    • C04B30/02C04B14/206C04B26/02Y10T428/2911Y10T428/2982
    • A formed product of vermiculite comprising thin leaves of vermiculite containing cations of one or more elements selected from the group consisting of copper, aluminum, manganese, II group elements, IV group elements and VIII group elements, substituted for exchangeable cations retained in vermiculite. Such a formed vermiculite product has high strength as well as excellent heat resistance. The formed product of vermiculite can be obtained by a method comprising the steps of crushing vermiculite to obtain thin leaves thereof, subjecting the thin leaves to ion exchange to substitute exchangeable cations retained therein by cations of one or more elements selected from the group consisting of copper, aluminum, manganese, II group elements, IV group elements and VIII group elements, and forming the resulting thin leaves into a stack or laminate. The formed vermiculite product thus obtained can retain further properties, such as an ability to expand and water resistance. More particularly, when the formed product (subjected to such ion exchange) is contacted with hydrogen peroxide, the resulting expanded formed product of vermiculite is suitable as a fixing material, shock absorber and the like, further retaining excellent compressibility, on the other hand, the product is heated in an oxidative atmosphere to obtain a formed vermiculite product having excellent water resistance as well as high strength, which is useful for a heat-insulating material and a refractory-facing material for a building.
    • 包含蛭石的成形物,其包含选自铜,铝,锰,II族元素,IV族元素和VIII族元素中的一种或多种元素的阳离子的蛭石的叶,代替保留在蛭石中的可交换阳离子。 这种形成的蛭石产品具有高强度以及优异的耐热性。 蛭石的形成产物可以通过包括以下步骤的方法获得,该方法包括以下步骤:碾碎蛭石以获得其薄的叶片,使薄叶片进行离子交换,以使其中保留的可交换的阳离子中的一种或多种元素的阳离子选自铜 ,铝,锰,II族元素,IV族元素和VIII族元素,并将所得薄叶形成为叠层或层压体。 由此获得的成形蛭石产品可以保持进一步的性能,例如膨胀能力和耐水性。 更具体地,当形成的产品(经过这样的离子交换)与过氧化氢接触时,所得到的蛭石膨胀成型产品适合作为固定材料,减震器等,另外保持优异的压缩性, 将产物在氧化气氛中加热以获得具有优异的耐水性和高强度的成形蛭石产品,其可用于建筑物的绝热材料和耐火材料材料。