Process for preparing a calcium silicate shaped product
    2.
    发明授权
    Process for preparing a calcium silicate shaped product 失效
    硅酸钙成型产品的制备方法

    公开(公告)号:US4490320A

    公开(公告)日:1984-12-25

    申请号:US454174

    申请日:1982-12-28

    CPC分类号: C04B28/18

    摘要: A process for preparing a calcium silicate shaped product comprises heat-reacting a calcareous source and a siliceous source dispersed in water to obtain an aqueous slurry containing a calcium silicate hydrate having a molar ratio of CaO/SiO.sub.2 being more than 1, adding a siliceous source to the aqueous slurry to bring the molar ratio of CaO/SiO.sub.2 to a level of from 0.85 to 1, and pressfilter-molding the aqueous slurry thereby obtained, followed by steam-curing and drying.

    摘要翻译: 制备硅酸钙成型产品的方法包括将钙质源和分散在水中的硅质源热反应,得到含有CaO / SiO 2摩尔比大于1的硅酸钙水合物的含水浆料,加入硅质源 将CaO / SiO 2的摩尔比设定在0.85〜1的水平,对由此得到的含水浆料进行压滤成型,然后进行蒸汽固化和干燥。

    Process for preparing calcium silicate shaped product
    3.
    发明授权
    Process for preparing calcium silicate shaped product 失效
    硅酸钙成型产品的制备方法

    公开(公告)号:US4388257A

    公开(公告)日:1983-06-14

    申请号:US227696

    申请日:1981-01-23

    IPC分类号: C04B28/18 C04B28/20 B28B1/26

    CPC分类号: C04B28/18 Y02P40/615

    摘要: A calcium silicate shaped product is prepared by forming an aqueous slurry of calcium silicate hydrate by reacting a calcareous source with a siliceous source in water as a dispersion under heating; molding said aqueous slurry to form a molded product having a bulk density of less than 0.6 g/cm.sub.3 ; curing said molded product, in a closed tank having a capacity of 1.5 to 30 times of the volume of said molded product at 140.degree. to 300.degree. C. by dry-heating without feeding steam, and drying the product.

    摘要翻译: 通过使石灰质源与水中的硅质源在加热下作为分散体反应,形成硅酸钙水合物的水性浆料来制备硅酸钙形状的产物; 模塑所述含水浆料以形成堆积密度小于0.6g / cm 3的模制产品; 在密封容器中将所述模制产品固化,在密封容器中,其容量为所述模制产品的体积的1.5至30倍,在140至300℃下,通过干加热而不进料蒸汽,并干燥产物。

    Process for preparing calcium silicate shaped product
    4.
    发明授权
    Process for preparing calcium silicate shaped product 失效
    硅酸钙成型产品的制备方法

    公开(公告)号:US4427611A

    公开(公告)日:1984-01-24

    申请号:US433995

    申请日:1982-10-13

    摘要: A calcium silicate shaped product is produced by forming an aqueous slurry of calcium silicate hydrate obtained by reacting a calcareous source with a siliceous source dispersed in water under heating; molding said aqueous slurry and heat-treating said molded product under the condition providing the equations (I) and (II);100.ltoreq..theta..multidot.T (I)50.ltoreq..theta..ltoreq.300 (II)wherein .theta. represents a temperature of the inner part of the molded product (.degree.C.) and T represents a time (hour) and providing a percent water loss of the treated molded product of less than 25 wt. %, before drying or steam-curing and drying the molded product.

    摘要翻译: 通过使钙质源与分散在水中的硅质源加热反应获得的水合硅酸钙水合物形成硅酸钙形状的产物; 在提供方程式(I)和(II)的条件下,模制所述含水浆料并对所述模制产品进行热处理; 其中θ表示模制产品的内部部分的温度(℃),T表示时间(小时),并且提供一个(a) 经处理的模制产品的失水百分数小于25wt。 %,然后干燥或蒸汽固化和干燥模制产品。

    Vacuum heat-insulator
    7.
    发明授权
    Vacuum heat-insulator 失效
    真空绝热器

    公开(公告)号:US5866228A

    公开(公告)日:1999-02-02

    申请号:US873758

    申请日:1997-06-12

    申请人: Mitsuru Awata

    发明人: Mitsuru Awata

    IPC分类号: B32B1/06

    摘要: A vacuum heat-insulator (6) formed by tightly packaging a shaped product comprising acicular crystals of calcium silicate entangled in a three dimensional manner in a reduced pressure state in a container (2), (3), (4) composed of a composite film formed by laminating a metal foil, or vapor-depositing a metal or metal oxide to a plastic film, and having a thermal conductivity at 20.degree. C. of not more than 0.015 Kcal/m.hr..degree.C. This vacuum heat-insulator (6) brings about no environmental problems upon discarding caused by dusting, and is capable of displaying an excellent heat-insulating performance without using Freon.

    摘要翻译: PCT No.PCT / JP94 / 01966 Sec。 371日期1995年9月22日 102(e)1995年9月22日PCT PCT 1994年11月21日PCT公布。 WO95 / 14881 PCT出版物 日期:1995年6月1日真空绝热体(6)通过在容器(2),(3),(4)中以减压状态三维方式缠结的包含硅酸钙的针状结晶的成形制品 ),其由通过层压金属箔而形成的复合膜,或者将金属或金属氧化物气相沉积到塑料膜上,并且在20℃下的导热率不大于0.015Kcal / m·hr。 该真空绝热体(6)在由除尘引起的废弃物的情况下不会产生环境问题,并且能够在不使用氟利昂的情况下显示绝佳的绝热性能。

    Molded gypsum product and process for preparing the same
    9.
    发明授权
    Molded gypsum product and process for preparing the same 失效
    成型石膏产品及其制备方法

    公开(公告)号:US4127628A

    公开(公告)日:1978-11-28

    申请号:US788928

    申请日:1977-04-19

    CPC分类号: C04B28/14

    摘要: A molded gypsum product comprises a matrix of crystalline gypsum and reinforcing fibers of glass fiber and asbestos fiber uniformly distributed in said matrix in a multi-layer structure having at least one higher density layer and at least one lower density layer which is continuously adjacent to said higher density layer and having an average apparent bulk density of 0.3 to 0.9 g/cc.

    摘要翻译: 模制石膏产品包括结晶石膏基质和玻璃纤维的增强纤维和均匀分布在所述基质中的石棉纤维,所述多层结构具有至少一个较高密度层和至少一个较低密度层,所述至少一个较低密度层连续邻近所述 高密度层,平均表观堆积密度为0.3〜0.9g / cc。