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    • 9. 发明申请
    • POLYMER-CEMENT COMPOSITES AND METHODS OF MAKING SAME
    • 聚合物水泥复合材料及其制备方法
    • WO00056679A1
    • 2000-09-28
    • PCT/US2000/007192
    • 2000-03-17
    • C04B28/02C04B24/26C04B28/04C04B28/06C04B40/02C04B16/04
    • C04B28/06C04B28/04Y02W30/94Y10T428/31855C04B14/06C04B14/062C04B20/0048C04B20/008C04B24/22C04B24/2641C04B40/0028C04B40/024C04B14/18C04B18/146C04B24/2676C04B32/00
    • A polymer-cement composite comprises, by weight percent, about 40% to 50% inert, inorganic filler material, such as silica sand; about 12% to 23% latex, preferably in aqueous suspension; about 20% to 25% hydraulic cement; and about 7% to 13% reactive silica. The reactive silica is a pozzolanic material, and in preferred embodiments, where the cement is portland cement, comprises an advantageous mixture of precipitated and ground silica. All solid components have a particle size of less than about 300 microns. The polymer-cement composite is preferably made by dry mixing of the powdered components thoroughly in a high intensity mixer, adding the liquid components, and wet mixing to form a thoroughly blended, de-aired green mixture. The green mixture is formed into any desired shape, cured, and dried. Preferably, the product is cured in a warm, moist environment.
    • 聚合物 - 水泥复合材料包含按重量计约40%至50%的惰性无机填料,如硅砂; 约12%至23%的胶乳,优选在水性悬浮液中; 约20%至25%的水泥水泥; 和约7%至13%的反应性二氧化硅。 反应性二氧化硅是火山灰材料,并且在优选实施方案中,其中水泥是波特兰水泥,其包含沉淀和研磨二氧化硅的有利混合物。 所有固体组分具有小于约300微米的粒度。 聚合物 - 水泥复合材料优选通过将粉末状组分在高强度混合器中充分干燥混合,加入液体组分和湿混合以形成充分混合的脱绿色混合物来制备。 将绿色混合物形成任何所需形状,固化并干燥。 优选地,产品在温暖潮湿的环境中固化。