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    • 6. 发明授权
    • EPDM roofing membrane with improved burn resistivity
    • EPDM屋面膜具有改善的耐燃烧性
    • US5468550A
    • 1995-11-21
    • US254841
    • 1994-06-06
    • James A. DavisEdward G. KaneBrian S. AlexanderWilliam F. Barham
    • James A. DavisEdward G. KaneBrian S. AlexanderWilliam F. Barham
    • C08K3/00C08L23/16E04D5/06B32B9/00
    • E04D5/06C08K3/0033C08K3/0058C08L23/16C08L2201/02Y10S428/913Y10T428/19Y10T428/24355Y10T428/24372Y10T428/24777Y10T428/254Y10T428/298Y10T428/2982Y10T428/31797Y10T428/31801Y10T428/31913Y10T428/31924Y10T442/162
    • Vulcanizable elastomeric roof sheet materials for roofing having improved burn resistivity and prepared from a polymeric composition of matter comprise at least one polymer selected from the group consisting of polyolefins prepared from monomers containing at least two carbon atoms and mixtures thereof, the polymer having a crystallinity of up to about 2 percent by weight; about 20 to 125 parts by weight of one or more non-black mineral fillers per 100 parts of the polymer, about 50 to 110 parts by weight of one or more black-type fillers per 100 parts of the polymer; and from about 50 to 70 parts by weight of a processing material or softener per 100 parts of the polymer. A method of covering a roof comprises the steps of applying sheets of vulcanizable elastomeric roof sheet material prepared from a vulcanizable polymeric composition of matter, to the roof being covered; overlapping adjacent edges of the roof sheet material; and adhesively seaming the overlapped layers of the roof sheet material together to form a continuous elastomeric roofing membrane. The composition of matter is devoid of any flame retardant rubber chemical additives, heavy metals and halogen-containing polymers and possess improved burn resistivity.
    • 具有改善的耐燃性的具有改善的耐燃性的可燃化的弹性顶板材料由物质的聚合物组合物制成,包括至少一种选自由含有至少两个碳原子的单体制备的聚烯烃和其混合物的聚合物,所述聚合物具有 高达约2重量%; 每100份聚合物约20至125重量份的一种或多种非黑色矿物填料,每100份聚合物约50至110份重量的一种或多种黑色填料; 和约50至70重量份的每100份聚合物的处理材料或软化剂。 覆盖屋顶的方法包括以下步骤:将由可硫化的聚合物组合物制备的可硫化弹性体顶片材料片施加到被覆盖的屋顶; 重叠屋面板材料的相邻边缘; 并且将屋顶板材的重叠层粘合地接合在一起以形成连续的弹性体屋顶膜。 物质的组成没有任何阻燃橡胶化学添加剂,重金属和含卤聚合物,并具有改善的耐燃烧性。