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    • 7. 发明授权
    • Roofing membranes using composite reinforcement constructions
    • 屋顶隔膜采用复合加固结构
    • US06524980B1
    • 2003-02-25
    • US09410518
    • 1999-10-01
    • Fred A. FenselLouis Kevin HorneDerrel M. Winowich, Jr.Colin J. HallamDavid Sokol
    • Fred A. FenselLouis Kevin HorneDerrel M. Winowich, Jr.Colin J. HallamDavid Sokol
    • D03D2500
    • B32B5/26B32B5/06B32B7/04B32B7/12B32B2262/0276B32B2262/101D04H1/593D04H3/04D04H3/115D04H3/12D06N5/00E04D5/02Y10T428/24099Y10T428/24124Y10T442/30Y10T442/3715Y10T442/3821
    • A composite substrate (10) is prepared for reinforcing a bituminous roofing material by securing together a carrier web (12) with a first set (14) of fiberglass rovings bundles and a second set (16) of fiberglass rovings bundles. The carrier web will have a pair of opposed planar surfaces. The web will define a machine direction and a cross machine direction for the substrate, with the first and second sets of rovings bundles each positioned in parallel relationship, with the longitudinal axes defined by the individual rovings of the two sets being in non-parallel relationship to each other when viewed normal to the plane of the web. The bundle sets are maintained in the spaced apart parallel relationships and the non-parallel angular relationship by the adhesive, stitching or other conventional method of securing which holds the substrate together. If a stitching machine is used, the preferred yarn (18) would be a polyester yarn. The preferred web is a woven polyester mat and the preferred rovings bundles will be 1800 yield or heavier. After preparation, this substrate is dipped in molten bituminous material to provide a web of reinforced roofing material in which the substrate is embedded in a continuous matrix of the bitumen.
    • 制备复合基材(10),用于通过用玻璃纤维粗纱束的第一组(14)和玻璃纤维粗纱束的第二组(16)将载体纤维网(12)固定在一起来加强沥青屋顶材料。 载体网将具有一对相对的平面。 纸幅将为基材定义机器方向和横向机器方向,其中第一组和第二组粗纱束各自以平行关系定位,由两组的单独粗纱定义的纵向轴线处于非平行关系 当与网的平面垂直时,彼此相对。 束组以间隔开的平行关系和通过将基底固定在一起的粘合剂,缝合或其它常规固定方法的非平行角度关系维持。 如果使用缝合机,则优选的纱线(18)将是聚酯纱线。 优选的织物是编织聚酯垫,优选的粗纱束的产量为1800或更重。 在制备之后,将该基材浸入熔融的沥青材料中以提供增强屋面材料的纤维网,其中将基材嵌入沥青的连续基质中。
    • 8. 发明授权
    • Methods of re-coating and re-covering bitumen-based built-up roofing membranes
    • 基于沥青的积层屋顶膜的再涂覆和再覆盖方法
    • US06360511B1
    • 2002-03-26
    • US09571123
    • 2000-05-12
    • Kenneth J. BrzozowskiKen Chernotowich
    • Kenneth J. BrzozowskiKen Chernotowich
    • E04G2302
    • E04D11/02C08L95/00Y10T442/2213Y10T442/2221Y10T442/3626Y10T442/3821C08L2666/02C08L55/02C08L2666/08
    • A method of recoating a bitumen-based built-up roofing membrane. The roofing membrane is recoated by removing loose mineral aggregate, if any, from the surface of the existing roofing membrane, cleaning the surface of the existing roofing membrane, applying a bitumen based flood coat over the cleaned surface, and embedding a layer of mineral aggregate material into the flood coat. The flood coat comprising a coal tar composition prepared from a blend comprising from about 80 parts to about 98 parts by weight of coal tar having an overall float test of from about 50 seconds to about 220 seconds, from about 2 parts to about 20 parts by weight of coal tar pitch having a softening point of from about 140 to about 160° C., and from about 1% to about 20% by weight, based on 25 the total weight of the composition, of an acrylonitrile-butadiene copolymer.
    • 一种基于沥青的积层屋顶膜的重新涂布方法。 通过从现有屋顶膜的表面去除松散的矿物骨料(如果有的话)来清理屋面膜,清洁现有的屋顶膜的表面,在清洁的表面上施加沥青基的防水涂层,并且将一层矿物聚集体 材料进入防水外套。 防水涂层包含由共混物制备的煤焦油组合物,其包含约80重量%至约98重量份的具有约50秒至约220秒的总体浮法试验的煤焦油,约2份至约20份, 软化点为约140至约160℃的煤焦油沥青的重量,基于组合物总重量的约1%至约20%的丙烯腈 - 丁二烯共聚物。