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    • 10. 发明申请
    • Powder Mixture And Process To Make Dry Mortar
    • 粉末混合物和干燥砂浆的工艺
    • US20150203404A1
    • 2015-07-23
    • US14410187
    • 2013-07-08
    • Akzo Nobel Chemicals International B.V.
    • Thomas Aberle
    • C04B24/10C04B24/42
    • C04B24/10C04B20/1025C04B20/1029C04B20/1051C04B24/42C04B40/0042C04B40/0608C04B2111/27Y02W30/94C04B2103/44C04B2103/65C04B24/08C04B24/38C04B24/383C04B24/085C04B24/2641C04B24/282C04B24/161C04B14/06C04B14/106C04B14/26C04B18/146C04B28/04
    • The present invention provides a powder mixture suitable for hydrophobizing and thickening cementitious mortars, comprising a) 5-90 wt % of one or more water-thickeners i), said thickener i) being in powder form and selected from a specific group, b) 5-90 wt % of one or more component ii), wherein component ii) is in powder form and comprises one or more components iia) selected from the group of fatty acids, fatty acid salts, fatty acid derivatives, alkyltrialkoxysilane and/or a dialkyldialkoxysilane, wherein the alkyl group being a C6- to C12- alkyl group and the alkoxy group being a methoxy, ethoxy, propoxy and/or a butoxy group, optionally one or more components iib) selected from the group of water-insoluble polymer, water-soluble polymer, carrier and filler, and optionally one or more components iic), and c) 0-70 wt % of adjuvants iii), said adjuvant iii) being in powder form, wherein thickener i), component ii) and adjuvants iii) are different powders and the added components sum up to 100 wt %, based on the total amount of the powder mixture. The invention further provides a process to make a dry mortar comprising a hydraulic and/or latent hydraulic setting binder and the powder mixture according to the invention, wherein the mixture is made first, followed by mixing it with the binder. The powder mixture and the process provide an easy quality control means to ensure the presence of the component in the dry mortar.
    • 本发明提供了适用于疏水化和增稠水泥质砂浆的粉末混合物,其包含a)5-90重量%的一种或多种水增稠剂i),所述增稠剂i)为粉末形式并选自特定基团,b) 5-90重量%的一种或多种组分ii),其中组分ii)为粉末形式,并且包含选自以下的一种或多种组分:i)选自脂肪酸,脂肪酸盐,脂肪酸衍生物,烷基三烷氧基硅烷和/或 二烷基二烷氧基硅烷,其中烷基是C 6 -C 12烷基,烷氧基是甲氧基,乙氧基,丙氧基和/或丁氧基,任选的一种或多种组分iib),其选自水不溶性聚合物, 水溶性聚合物,载体和填料,以及任选的一种或多种组分iic),和c)0-70wt%的佐剂iii)所述佐剂iii)为粉末形式,其中增稠剂i)组分ii)和助剂 iii)是不同的粉末和添加的组分 m至100重量%,基于粉末混合物的总量。 本发明还提供了一种制备包含液压和/或潜在液压固定粘合剂和根据本发明的粉末混合物的干砂浆的方法,其中首先制备混合物,然后将其与粘合剂混合。 粉末混合物和该方法提供了容易的质量控制手段,以确保组分在干砂浆中的存在。