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    • 9. 发明申请
    • CEMENTITIOUS ARTICLE COMPRISING HYDROPHOBIC FINISH
    • 包含疏水表面的水泥制品
    • WO2014150781A3
    • 2014-09-25
    • PCT/US2014/024207
    • 2014-03-12
    • UNITED STATES GYPSUM COMPANY
    • DUBEY, AshishPENG, Yanfei
    • C04B26/04C04B26/06C04B26/08B32B13/14C04B111/00C04B111/27C04B111/30
    • Disclosed are cementitious articles with hydrophobic finish. In some embodiments, the article is a waterproof gypsum panel that is surface reinforced with inorganic mineral fibers that face a flexible and hydrophobic cementitious finish possessing beneficial waterproofing properties. The waterproof gypsum panels of the invention are useful in many applications, such as, for example, tilebacker board in wet or dry areas of buildings, exterior weather barrier panel for use as exterior sheathing, and roof cover board having superior water durability and extremely low surface absorption. The flexible and hydrophobic cementitious finish of the invention can include Class C fly ash, film-forming polymer, silane compound (e.g., alkyl alkoxysilane), and other optional additives.
    • 公开了具有疏水表面的水泥制品。 在一些实施方案中,制品是用无机矿物纤维表面增强的防水石膏面板,所述无机矿物纤维面向具有有益的防水性能的柔性且疏水性的水泥质饰面。 本发明的防水石膏面板在许多应用中是有用的,例如在建筑物的潮湿或干燥区域中的瓷砖板,用作外部护套的外部气候阻挡板以及具有优异的耐水性和极低的屋顶覆盖板 表面吸收。 本发明的柔性疏水性胶结剂可以包括C类飞灰,成膜聚合物,硅烷化合物(例如烷基烷氧基硅烷)和其它任选的添加剂。