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    • 5. 发明申请
    • ARTIFICIAL TURF YARN
    • 人造革草
    • US20140242304A1
    • 2014-08-28
    • US14350170
    • 2011-10-24
    • Peter SandkuehlerSelim Bensason
    • Peter SandkuehlerSelim Bensason
    • E01C13/08
    • E01C13/08C08F210/16C08L23/0815D01F6/30C08F210/14C08F2500/03C08F2500/10C08F2500/12C08F2500/17C08F2500/18C08F110/02
    • An artificial turf comprising a turf yarn prepared from an ethylene-based polymer composition comprising less than or equal to 100 percent by weight of the units derived from ethylene; and less than 30 percent by weight of units derived from one or more α-olefin comonomers; wherein said ethylene-based polymer composition is characterized by having a Comonomer Distribution Constant of equal to or greater than 40, a vinyl unsaturation of less than 100 vinyls per one million carbon atoms present in the backbone of the ethylene-based polymer composition; a zero shear viscosity ratio (ZSVR) equal to or greater than 1.75; a density in the range of 0.915 to 0.930 g/cm3, a melt index (12) in the range of from 0.8 to 5 g/10 minutes, a molecular weight distribution (Mw/Mn) in the range of from 2 to 3.6, and a molecular weight distribution (Mz/Mw) equal to or less than 3; and wherein the turf yarn exhibits one or more of the following properties (a) shrink of less than 4.8%, and (b) curl of less than 0.5 is provided.
    • 一种人造草皮,其包含由基于乙烯的聚合物组合物制备的草皮纱,所述组合物包含小于或等于100重量%的衍生自乙烯的单元; 和少于30重量%的衍生自一种或多种α-烯烃共聚单体的单元; 其中所述基于乙烯的聚合物组合物的特征在于具有等于或大于40的共聚单体分布常数,乙烯基聚合物组合物的主链中存在少于每100万个碳原子的乙烯基不饱和度; 零剪切粘度比(ZSVR)等于或大于1.75; 0.915〜0.930g / cm3的范围内的密度,熔融指数(12)在0.8〜5g / 10分钟,分子量分布(Mw / Mn)在2〜3.6的范围内, 和分子量分布(Mz / Mw)等于或小于3; 并且其中所述草皮纱具有一个或多个以下特性(a)收缩小于4.8%,和(b)小于0.5的卷曲。