Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same
    4.
    发明授权
    Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same 有权
    制备预混合固化α-硫酸钙半水合物和试剂盒的方法相同

    公开(公告)号:US07754006B2

    公开(公告)日:2010-07-13

    申请号:US11688644

    申请日:2007-03-20

    Abstract: A process for making calcined gypsum in slurry or powder form. The process includes adding at least two types of crystal modifiers to the slurry. The first crystal modifier is to control crystal morphology of the calcined gypsum (such as succinic and/or malic acid). The second crystal modifier is to prevent or retard setting to control set time (such as tetrasodium pyrophosphate (TSPP)) to form a water stable product. An accelerator is typically added at the site of use for specific applications such as setting type joint compound, media casting, exterior/interior coating, and sprayable fireproofing. A composition made by the process and a kit for using the composition are also disclosed.

    Abstract translation: 制备浆料或粉末形式的煅烧石膏的方法。 该方法包括向浆料中加入至少两种类型的结晶改性剂。 第一种晶体改性剂是控制煅烧石膏(如琥珀酸和/或苹果酸)的晶体形态。 第二种结晶改性剂是防止或延缓凝固时间的控制(如焦磷酸四钠(TSPP))以形成水稳定的产品。 通常在用于特定应用的场所加入加速器,例如固定型接头化合物,介质铸造,外部/内部涂层和可喷涂防火。 还公开了通过该方法制备的组合物和用于使用该组合物的试剂盒。

    PROCESS FOR MANUFACTURING READY-MIXED SETTING ALPHA-CALCIUM SULPHATE HEMI-HYDRATE AND KIT FOR SAME
    6.
    发明申请
    PROCESS FOR MANUFACTURING READY-MIXED SETTING ALPHA-CALCIUM SULPHATE HEMI-HYDRATE AND KIT FOR SAME 有权
    制备准备好的混合物的方法硫酸氢钙和硫酸钙

    公开(公告)号:US20080229981A1

    公开(公告)日:2008-09-25

    申请号:US11688644

    申请日:2007-03-20

    Abstract: A process for making calcined gypsum in slurry or powder form. The process includes adding at least two types of crystal modifiers to the slurry. The first crystal modifier is to control crystal morphology of the calcined gypsum (such as succinic and/or malic acid). The second crystal modifier is to prevent or retard setting to control set time (such as tetrasodium pyrophosphate (TSPP)) to form a water stable product. An accelerator is typically added at the site of use for specific applications such as setting type joint compound, media casting, exterior/interior coating, and sprayable fireproofing. A composition made by the process and a kit for using the composition are also disclosed.

    Abstract translation: 制备浆料或粉末形式的煅烧石膏的方法。 该方法包括向浆料中加入至少两种类型的结晶改性剂。 第一种晶体改性剂是控制煅烧石膏(如琥珀酸和/或苹果酸)的晶体形态。 第二种结晶改性剂是防止或延缓凝固时间的控制(如焦磷酸四钠(TSPP))以形成水稳定的产品。 通常在用于特定应用的场所加入加速器,例如固定型接头化合物,介质铸造,外部/内部涂层和可喷涂防火。 还公开了通过该方法制备的组合物和用于使用该组合物的试剂盒。

    Ready-mixed setting-type composition and related kit
    7.
    发明授权
    Ready-mixed setting-type composition and related kit 有权
    预混混合型组合物及相关试剂盒

    公开(公告)号:US06805741B1

    公开(公告)日:2004-10-19

    申请号:US10400270

    申请日:2003-03-27

    Abstract: A ready-mixed composition, which sets when mixed with an activator for the reaction of calcined gypsum with water to form set gypsum, is disclosed. The composition comprises water and calcined gypsum in a weight ratio of water to calcined gypsum of from about 0.15 to about 0.5, as well as a set preventer comprising a polyacrylic acid and/or a salt thereof. The composition has a viscosity of from about 5,000 centipoise to about 48,000 centipoise. Also disclosed is a kit that comprises separately packaged components. One of the components is a composition comprising calcined gypsum and a polyacrylic acid and/or a salt thereof, and, optionally, water. Another component of the kit comprises an activator which, when mixed with the composition, permits the composition to set.

    Abstract translation: 公开了一种预混合组合物,其与煅烧石膏与水的反应的活化剂混合以形成集合的石膏时设定。 组合物包含水和煅烧石膏的重量比为约0.15至约0.5的水和煅烧石膏,以及包含聚丙烯酸和/或其盐的固化防止剂。 组合物的粘度为约5,000厘泊至约48,000厘泊。 还公开了包括单独包装的组件的试剂盒。 组分之一是包含煅烧石膏和聚丙烯酸和/或其盐,以及任选的水的组合物。 试剂盒的另一组分包含活化剂,当与组合物混合时,其允许组合物凝固。

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