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    Early strength enhancing concrete admixture
    122.
    发明授权
    Early strength enhancing concrete admixture 有权

    公开(公告)号：US10577284B2

    公开(公告)日：2020-03-03

    申请号：US16019739

    申请日：2018-06-27

    Applicant: GCP Applied Technologies Inc.

    Inventor： Ezgi Yurdakul ,  Damla Boyer ,  Klaus-Alexander Rieder ,  Yohannes K. Lemma

    IPC: C04B28/28 ,  C04B28/24 ,  C04B24/42 ,  C04B40/00 ,  C04B40/02 ,  C04B28/02 ,  C04B103/24 ,  C04B111/00 ,  C04B103/40 ,  C04B103/00

    Abstract: The present invention provides an admixture composition comprising a liquid suspension of colloidal silica, siloxane, and polycarboxylate polymer cement dispersant for enhancing early age strength, finishability, and other properties in hydratable cementitious compositions such as concrete (e.g., shotcrete). An inventive method involves mixing the components together in a specific sequence, thereby to obtain a stable liquid suspension. This attainment of a stable liquid suspension is surprising and unexpected because (i) the polycarboxylate polymer cement dispersant and siloxane components are incompatible and immiscible with one another; and (ii) that colloidal silica and siloxane compound are incompatible and immiscible with one another. Yet, the present inventors achieved an additive in the form of a stable liquid suspension which can be conveniently dosed into concretes and shotcrete mixtures, to enhance early age strength, and to improve workability and rheology in terms of finishability of concrete surfaces and improved rebound performance in shotcrete applications.

    Mineral Grinding
    125.
    发明申请
    Mineral Grinding 审中-公开

    公开(公告)号：US20190119170A1

    公开(公告)日：2019-04-25

    申请号：US16089816

    申请日：2017-03-28

    Applicant: GCP APPLIED TECHNOLOGIES INC.

    Inventor： Larry R. GIBSON, II ,  Byong-Wa CHUN ,  Josephine CHEUNG ,  Leslie AJ. BUZZELL

    IPC: C04B40/00 ,  C04B14/28 ,  C04B20/02 ,  C04B28/12 ,  B02C23/06

    Abstract: The present invention pertains to the discovery that short chain aliphatic fatty acids, such as potassium sorbate, can be used in liquid-additive grinding compositions in the amount of at least 10%, more preferably at least 20%, and most preferably at least 30%, to mill carbonate materials into smaller particle size. The carbonate material can optionally be combined with another inorganic material in the grinding operation, such as limestone, lime, dolomites, talc, titanium dioxide, alumina, and kaolin, ceramics, and cement clinker. The use of the particularly described grinding additive composition are food-grade or food-contact approved, and are believed by the present inventors to resist the humectant behavior of the resultant ground particles which could in herently otherwise decrease efficiency of the particulate grinding process.

    Cement Grinding Additive For Enabling PVC Equipment Use
    126.
    发明申请
    Cement Grinding Additive For Enabling PVC Equipment Use 审中-公开
    用于PVC设备使用的水泥研磨添加剂

    公开(公告)号：US20160229746A1

    公开(公告)日：2016-08-11

    申请号：US15023168

    申请日：2014-09-16

    Applicant: GCP APPLIED TECHNOLOGIES INC.

    Inventor： Leslie A. JARDINE ,  Josephine H. CHEUNG

    IPC: C04B16/04

    CPC classification number: C04B16/04 ,  C04B40/0039 ,  C04B2103/52 ,  C04B24/02 ,  C04B24/121 ,  C04B24/122 ,  C04B24/38 ,  C04B24/04 ,  C04B24/10 ,  C04B2103/50

    Abstract: The present invention provides cement grinding additive compositions and methods which allow a PVC-safe, powerful, and robust defoaming agent to be uniformly dispersed throughout a broad concentration range while retaining storage stability even in cases wherein the defoaming agent is highly diluted. Exemplary cement grinding additive compositions comprise at least one amine cement grinding additive; an air detrainer selected from the group consisting of (i) ethoxylated, propoxylated fatty alcohol or alkylphenol, (ii) polyalkoxylated polyalkylene polyamine, or (iii) a mixture thereof.

    Abstract translation: 本发明提供了水泥研磨添加剂组合物和方法，即使在消泡剂被高度稀释的情况下，也可以使聚氯乙烯安全，功能强大且坚固的消泡剂在宽浓度范围内均匀分散，同时保持储存稳定性。 示例性的水泥研磨添加剂组合物包含至少一种胺水泥研磨添加剂; 选自（i）乙氧基化，丙氧基化脂肪醇或烷基酚，（ii）聚烷氧基化聚亚烷基多胺，或（iii）其混合物的组合的空气除垢剂。

    WATER REDUCING ADMIXTURE FOR STABLE AIR
    130.
    发明申请
    WATER REDUCING ADMIXTURE FOR STABLE AIR 有权

    公开(公告)号：US20230032346A1

    公开(公告)日：2023-02-02

    申请号：US17778808

    申请日：2020-11-20

    Applicant: GCP Applied Technologies Inc.

    Inventor： Elizabeth Burns ,  Hideo Koyata ,  Klaus-Alexander Rieder

    IPC: C04B28/28

    Abstract: The present invention provides exemplary additive compositions and methods whereby hydratable cementitious compositions, such as concrete, can be modified using polycarboxylate type ether or ester cement dispersant polymers of a small size, in combination with at least one alkyl alkoxylate type surface active agent which typically hitherto is considered detergent-like in generating air bubbles (heads of foam) in aqueous environments. The present inventors discovered surprisingly that such agents could be used to control air content in plastic concrete mixes in combination with the polycarboxylate type ether or ester cement dispersant polymer.

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