Admixture for optimizing addition of EO/PO plasticizers
    2.
    发明授权
    Admixture for optimizing addition of EO/PO plasticizers 有权
    用于优化添加EO / PO增塑剂的外加剂

    公开(公告)号:US06670415B2

    公开(公告)日:2003-12-30

    申请号:US09993726

    申请日:2001-11-06

    Abstract: In the preparation of aqueous cement compositions containing a plasticizer, such as an EO/PO polymer-containing 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.

    Abstract translation: 在含有增塑剂的水性水泥组合物的制备中,例如含有EO / PO聚合物的增塑剂或含EO / PO梳型聚合物的增塑剂,并且还包含与水接触时膨胀的粘土,例如蒙脱石粘土 提供可以改变粘土的试剂的步骤,从而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。

    Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent
    5.
    发明授权
    Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent 有权
    具有增塑剂和粘土活性改性剂的水泥混合物中的空气管理

    公开(公告)号:US07972436B2

    公开(公告)日:2011-07-05

    申请号:US10267631

    申请日:2002-07-08

    Abstract: An exemplary surface active agent admixture composition of the invention comprises (1) a first surface active agent comprising a betaine, an alkyl or aryl or alkylaryl sulfonate, or mixture thereof; and (2) a second surface active agent comprising a nonionic oxyalkylene-containing polymer surfactant. The present invention therefore provides a system for ensuring the presence in a hydratable cementitious composition (when hardened) a sufficient air volume and sufficient air void fineness and consistency. Further exemplary admixture compositions may comprise one or more plasticizers and one or more clay activity-modifying agents. Cementitious compositions and methods for modifying cementitious compositions, which incorporate the above-mentioned surface active agent combination, are also described. The invention provides the ability to adjust and stabilize air void systems in hydratable cementitious compositions, while allowing conventional air entraining agent (AEA) dosage practices to be followed.

    Abstract translation: 本发明的示例性表面活性剂混合物组合物包含(1)包含甜菜碱,烷基或芳基或烷芳基磺酸盐或其混合物的第一表面活性剂; 和(2)包含非离子氧化烯基聚合物表面活性剂的第二表面活性剂。 因此,本发明提供一种用于确保在可水合水泥质组合物(当硬化时)存在足够的空气体积和足够的空气空隙细度和稠度的系统。 其它示例性的混合组合物可以包含一种或多种增塑剂和一种或多种粘土活性改性剂。 还描述了掺入上述表面活性剂组合的水泥组合物和改性水泥组合物的方法。 本发明提供了调节和稳定可水合水泥组合物中的空气空隙系统的能力,同时允许遵循常规的引气剂(AEA)剂量实践。

    Vermiculite dispersions and method of preparing same
    7.
    发明授权
    Vermiculite dispersions and method of preparing same 失效
    蛭石分散体及其制备方法

    公开(公告)号:US4780147A

    公开(公告)日:1988-10-25

    申请号:US27713

    申请日:1987-03-19

    CPC classification number: C04B14/208 C04B30/00

    Abstract: Stable vermiculite dispersions which are substantially free of settling and a method of preparing same are provided. The dispersion are obtained by treating the vermiculite platelets of which the dispersion is comprised with citrate anion. The citrate anion functions as a swelling agent for the vermiculite and enhances the rate and extent of swelling in an aqueous medium. The swollen vermiculite is delaminated by shearing to provide the inventive dispersions, which comprise a suspension of the delaminated platelets and citrate anion.

    Abstract translation: 提供基本上没有沉降的稳定的蛭石分散体及其制备方法。 通过用柠檬酸盐阴离子处理分散体的蛭石片晶来获得分散体。 柠檬酸盐阴离子用作蛭石的溶胀剂,并增加水介质中溶胀的速率和程度。 肿胀的蛭石通过剪切分层以提供本发明的分散体,其包含分层的血小板和柠檬酸盐阴离子的悬浮液。

    Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent
    8.
    发明授权
    Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent 有权
    具有增塑剂和粘土活性改性剂的水泥混合物中的空气管理

    公开(公告)号:US06441054B1

    公开(公告)日:2002-08-27

    申请号:US09517443

    申请日:2000-03-02

    Abstract: An exemplary surface active agent admixture composition of the invention comprises (1) a first surface active agent comprising a betaine, an alkyl or aryl or alkylaryl sulfonate, or mixture thereof; and (2) a second surface active agent comprising a nonionic oxyalkylene-containing polymer surfactant. The present invention therefore provides a system for ensuring the presence in a hydratable cementitious composition (when hardened) a sufficient air volume and sufficient air void fineness and consistency. Further exemplary admixture compositions may comprise one or more plasticizers and one or more clay activity-modifying agents. Cementitious compositions and methods for modifying cementitious compositions, which incorporate the above-mentioned surface active agent combination, are also described. The invention provides the ability to adjust and stabilize air void systems in hydratable cementitious compositions, while allowing conventional air entraining agent (AEA) dosage practices to be followed.

    Abstract translation: 本发明的示例性表面活性剂混合物组合物包含(1)包含甜菜碱,烷基或芳基或烷芳基磺酸盐或其混合物的第一表面活性剂; 和(2)包含非离子氧化烯基聚合物表面活性剂的第二表面活性剂。 因此,本发明提供一种用于确保在可水合水泥质组合物(当硬化时)存在足够的空气体积和足够的空气空隙细度和稠度的系统。 其它示例性的混合组合物可以包含一种或多种增塑剂和一种或多种粘土活性改性剂。 还描述了掺入上述表面活性剂组合的水泥组合物和改性水泥组合物的方法。 本发明提供了调节和稳定可水合水泥组合物中的空气空隙系统的能力,同时允许遵循常规的引气剂(AEA)剂量实践。

    Water resistant vermiculite articles and method of their manufacture
    9.
    发明授权
    Water resistant vermiculite articles and method of their manufacture 失效
    防水蛭石制品及其制造方法

    公开(公告)号:US5330843A

    公开(公告)日:1994-07-19

    申请号:US530715

    申请日:1990-05-30

    CPC classification number: C04B14/208 C04B30/00 Y10T428/31

    Abstract: A method of rendering water resistant a vermiculite article such as a film or coating comprised of delaminated vermiculite lamellae is provided comprising the step of contacting the article with a solution of an inorganic monovalent cation selected from the group consisting of: H.sup.+, Na.sup.+, K.sup.+, Cs.sup.+, Rb.sup.+ and Fr.sup.+ and mixtures thereof.The invention further relates to a water resistant article such as a film or coating comprised of delaminated vermiculite lamellae, which article is produced by contacting the article with a solution of an inorganic monovalent cation selected from the group consisting of: H.sup.+, Na.sup.+, K.sup.+, Cs.sup.+, Rb.sup.+ and Fr.sup.+.

    Abstract translation: 提供了一种使蛭石制品如由分层的蛭石薄片组成的薄膜或涂层的耐水性的方法,包括使制品与无机一价阳离子的溶液接触的步骤,所述无机一价阳离子选自H +,Na +,K +, Cs +,Rb +和Fr +及其混合物。 本发明还涉及一种防水制品,例如由分层的蛭石薄片组成的薄膜或涂层,该制品通过使制品与无机一价阳离子的溶液接触而制备,所述无机一价阳离子选自:H +,Na +,K +, Cs +,Rb +和Fr +。

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