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    Admixture composition for optimizing EO/PO plasticizer addition
    1.
    发明申请
    Admixture composition for optimizing EO/PO plasticizer addition 有权
    用于优化EO / PO增塑剂的外加剂组合物

    公开(公告)号：US20020121229A1

    公开(公告)日：2002-09-05

    申请号：US09993726

    申请日：2001-11-06

    申请人： W.R. GRACE & CO.-CONN.

    发明人： Leslie A. Jardine ,  Hideo Koyata ,  Kevin J. Folliard ,  Chia-Chih Ou ,  Felek Jachimowicz ,  Byong-Wa Chun ,  Ara A. Jeknavorian ,  Christon L. Hill

    IPC分类号： C04B016/08 ,  C04B038/00 ,  C04B014/12

    CPC分类号： C04B24/425 ,  C04B14/104 ,  C04B14/106 ,  C04B28/02 ,  C04B40/0039 ,  C04B22/16 ,  C04B24/2647 ,  C04B24/32 ,  C04B2103/408 ,  C04B2103/32 ,  C04B2103/006 ,  C04B20/023 ,  C04B20/1018 ,  C04B20/10 ,  C04B24/2658 ,  C04B24/00 ,  C04B22/08 ,  C04B20/1055 ,  C04B20/1037 ,  C04B24/121

    摘要： In the preparation of aqueous cement compositions containing a plasticizer, such as an EO/PO polymerontaining plasticizer, or EO/PO comb polymer-containing plasticizer, and further containing clay, such as a smectite clay, which expands when in contact with water, the step of providing an agent operative to modify the clay whereby the plasticizer absorbing capability of the clay is reduced. In exemplary methods of the invention, the plasticizer is an EO/PO (e.g., oxyalkylene) plasticizer and preferably an EO/PO comb polymer, and the clay-activity-modifying agent may comprise an inorganic cation, an organic cation, a polar organic molecule capable of being absorbed by the clay, a clay dispersant (such as a polyphosphate), or a mixture thereof. For clay-activity-modifying agents which comprise a cation or a polar organic molecule, the agent is preferably added to the clay before water is introduced to the clay. For clay dispersant agents and some organic cations such as quaternary amines (which have a strong affinity for cationic exchange with the clay), the agent may be added before, during, or after water is introduced to the clay.

    摘要翻译： 在含有增塑剂（例如含EO / PO聚合物的增塑剂）或含EO / PO梳型聚合物的增塑剂的水性水泥组合物的制备中，并且还含有当与水接触时膨胀的粘土（例如蒙脱石粘土）， 提供可操作地改性粘土的试剂的步骤，由此降低粘土的增塑剂吸收能力。 在本发明的示例性方法中，增塑剂是EO / PO（例如，氧化烯）增塑剂，优选EO / PO梳状聚合物，并且粘土 - 活性改性剂可以包含无机阳离子，有机阳离子，极性有机物 能够被粘土吸收的分子，粘土分散剂（例如多磷酸盐）或其混合物。 对于包含阳离子或极性有机分子的粘土活性改性剂，优选在将水引入粘土之前将试剂加入到粘土中。 对于粘土分散剂和一些有机阳离子如季胺（其与粘土与阳离子交换具有很强的亲和力），可以在将水引入粘土之前，之中或之后加入该试剂。

    Fire door core assembly
    2.
    发明申请
    Fire door core assembly 审中-公开
    防火门芯组件

    公开(公告)号：US20040163571A1

    公开(公告)日：2004-08-26

    申请号：US10687607

    申请日：2003-10-20

    申请人： DORSET FIREDOOR SYSTEMS, INC.

    发明人： Andre Fortin

    IPC分类号： C04B012/04 ,  C04B014/12 ,  C04B016/08 ,  C04B028/26 ,  C04B035/16 ,  C04B038/00

    CPC分类号： E06B3/7015 ,  E06B2003/7051

    摘要： A fire resistant wood door is formed from an opposing pair of rails interconnected by a upper and lower stiles forming an outer frame. A wood laminate core is provided within the outer frame and covered by outer sheathing. The wood laminate core is formed from first and second panels and a heat barrier layer. Each of the first and second panels is formed from an organic material and provided with a plurality of grooves on one surface. The heat barrier layer is in the form of a casting applied to the grooved surface of at least one, and preferably both, of the first and second panels. The panels are then joined together with the heat barrier layer sandwiched therebetween. When joined with the outer frame and sheathing, a wood door is formed having a fire rating of at least 45 minutes.

    摘要翻译： 防火木门由相对的一对轨道形成，所述相对的一对轨道通过形成外框架的上部和下部框架相互连接。 木质层压芯设置在外框架内并被外护套覆盖。 木材层压芯由第一和第二面板和隔热层形成。 第一和第二面板中的每一个由有机材料形成并且在一个表面上设置有多个凹槽。 隔热层是施加到第一和第二面板的至少一个，优选两个的带槽表面的铸件的形式。 然后将面板与夹在其间的隔热层连接在一起。 当与外框架和护套连接时，形成具有至少45分钟的防火等级的木门。