知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

132 条记录 (耗时 0.021 秒)

    DISSOLVABLE CEMENTITIOUS COMPOSITE INGREDIENT PACKET
    4.
    发明申请
    DISSOLVABLE CEMENTITIOUS COMPOSITE INGREDIENT PACKET 有权
    不可分解的复合成分包

    公开(公告)号：US20160221876A1

    公开(公告)日：2016-08-04

    申请号：US14610508

    申请日：2015-01-30

    申请人： Caterpillar Inc.

    发明人： Aaron K. AMSTUTZ

    IPC分类号： C04B28/28

    CPC分类号： C04B28/06 ,  C04B2103/0046 ,  C04B2103/0062 ,  C04B2111/00301 ,  C04B22/068 ,  C04B24/2623 ,  C04B24/2641 ,  C04B2103/22 ,  C04B24/06

    摘要： A cementitious composition may include polyvinyl alcohol, high alumina cement, water, a metallic coagent, a peroxide crosslinking initiator, and an organic acid retardant. A molded article may be manufactured from the cementitious composition by preparing a hydrogel pre-polymer blend of saponified polyvinyl alcohol acetate (PVAA) with greater than or equal to approximately 85% saponified PVAA, and water, mixing the hydrogel pre-polymer blend with high alumina cement (HAC) using a high shear mixing process, mixing in a metallic coagent and a peroxide crosslinking initiator, mixing in an organic acid retardant, and hot press molding the mixture.

    摘要翻译： 水泥组合物可以包括聚乙烯醇，高铝水泥，水，金属助剂，过氧化物交联引发剂和有机酸阻燃剂。 可以通过制备皂化聚乙烯醇乙酸酯（PVAA）与大​​于或等于约85％皂化PVAA的水凝胶预聚物共混物和水，将水凝胶预聚物共混物与高分子混合而制备模塑制品 使用高剪切混合方法的氧化铝水泥（HAC），在金属助剂和过氧化物交联引发剂中混合，在有机酸阻燃剂中混合，并热混合该混合物。

    Semi continuous operational method for producing copolymers
    8.
    发明授权
    Semi continuous operational method for producing copolymers 有权
    用于生产共聚物的半连续操作方法

    公开(公告)号：US08541518B2

    公开(公告)日：2013-09-24

    申请号：US12920143

    申请日：2009-02-10

    申请人： Gerhard Albrecht ,  Klaus Lorenz ,  Christian Scholz ,  Petra Wagner

    发明人： Gerhard Albrecht ,  Klaus Lorenz ,  Christian Scholz ,  Petra Wagner

    IPC分类号： C08F2/04 ,  C08F224/00 ,  C08F2/10 ,  C04B28/28

    CPC分类号： C08F220/04 ,  C08F220/26

    摘要： A process for the preparation of a copolymer in a semicontinuous mode of operation in a polymerization apparatus containing a polymerization reactor connected to a metering device, in each case acid monomer being initially introduced into the metering device and polyether macromonomer and water into the polymerization reactor, acid monomer being metered from the metering device into the polymerization reactor, the metering of the acid monomer into the polymerization reactor being effected in such a way that first a polymerization pH is established in the aqueous medium and then, until the conversion of 70 mol % of the polyether macromonomer initially introduced into the polymerization reactor, acid monomer is passed into the polymerization reactor in an amount per unit time such that the pH in the aqueous medium deviates by not more than ±0.3 from the initially established polymerization pH.

    摘要翻译： 在含有连接到计量装置的聚合反应器的聚合装置中制备半连续操作模式的共聚物的方法，每种情况下，酸性单体最初引入计量装置和聚醚大分子单体和水进入聚合反应器， 酸性单体从计量装置计量到聚合反应器中，酸性单体计量到聚合反应器中的方式是首先在水性介质中建立聚合pH，然后直到70mol％ 的最初引入聚合反应器的聚醚大分子单体，酸单体以每单位时间的量进入聚合反应器，使得水介质中的pH从最初建立的聚合pH偏离不大于±0.3。