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    • 7. 发明申请
    • ROOFING MATERIALS HAVING ENGINEERED COATINGS
    • 具有工程涂料的屋面材料
    • WO2003031748A2
    • 2003-04-17
    • PCT/US2002/032082
    • 2002-10-07
    • OWENS CORNINGASCHENBECK, David, P.MILLER, Carla, A.OLLETT, David. B.
    • ASCHENBECK, David, P.MILLER, Carla, A.OLLETT, David. B.
    • E04D
    • E04D5/12D06N5/00E04D5/02Y02A30/255Y02B80/34Y10T428/24372Y10T428/2438Y10T428/24413Y10T428/24421Y10T428/2443Y10T428/249921Y10T428/269Y10T442/2164Y10T442/2221Y10T442/2992
    • An asphalt-based roofing material (10) includes a coating (14) having a top portion (14A) containing a mixture of asphalt and igneous and/or metamorphic rock particles, while the mat portion of the coating contains a mixture of asphalt and a filler which contains less than 10% igneous and/or metamorphic rock particles. In other embodiments, the top portion but not the bottom portion (14C) of the coating meets or exceeds a pliability standard, passes a weathering performance test, or has a high solar reflectance. In another embodiment relating to a laminated roofing material, the top portion but not the bottom portion has viscoelastic properties effective to prevent the coating from sticking to an adjacent shingle in a bundle. The invention also relates to a continuous process of applying first (62) and second (76) coatings to a mat for manufacturing a roofing material. In a first coating operation (60), a first asphalt-based coating is continuously applied to a first surface (52) of the mat so that the first coating saturates the mat and forms a layer on the first surface. In a second coating operation (74), a second asphalt-based coating is continuously applied to a second surface (54) of the mat so that the second coating forms a layer on the second surface. The second coating has different properties from the first coating.
    • 沥青基屋顶材料(10)包括具有包含沥青和火成岩和/或变质岩石颗粒的混合物的顶部(14A)的涂层(14),而涂层的垫部分包含沥青和 填料含有少于10%的火成岩和/或变质岩石颗粒。 在其它实施例中,涂层的顶部而不是底部(14C)满足或超过柔韧性标准,通过耐候性能试验或具有高的太阳反射率。 在涉及层压屋顶材料的另一个实施例中,顶部部分而不是底部部分具有有效的粘弹性,以防止涂层粘附到相邻的瓦楞板中。 本发明还涉及将第一(62)和第二(76)涂层施加到用于制造屋顶材料的垫的连续方法。 在第一涂覆操作(60)中,将第一沥青基涂层连续施加到垫的第一表面(52),使得第一涂层使垫饱和并在第一表面上形成层。 在第二涂覆操作(74)中,将第二沥青基涂层连续施加到垫的第二表面(54),使得第二涂层在第二表面上形成层。 第二涂层具有与第一涂层不同的性质。