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    • 10. 发明授权
    • Homogeneously branched ethylene polymer carpet, carpet backing and method for making same
    • 均匀支化的乙烯聚合物地毯,地毯背衬及其制造方法
    • US07338698B1
    • 2008-03-04
    • US09032893
    • 1998-02-27
    • John O. BieserLichih R. Peng
    • John O. BieserLichih R. Peng
    • B32B33/00
    • B32B27/12B32B7/12B32B27/32B32B37/0053B32B37/1018B32B37/12B32B37/153B32B37/203B32B2262/0253B32B2309/02B32B2309/12B32B2309/14B32B2471/02D06N7/0068D06N7/0076D06N2203/042D06N2209/105D06N2213/03Y10T428/23979Y10T428/23993
    • The present invention pertains to carpet and methods of making carpet. In one aspect, the carpet includes (a) a primary backing which has a face and a back surface, (b) a plurality of fibers attached to the primary backing and extending from the face of the primary backing and exposed at the back surface of the primary backing, (c) an adhesive backing, (d) an optional secondary backing adjacent to the adhesive backing, and (e) at least one homogeneously branched ethylene polymer. The method includes extrusion coating at least one homogeneously branched ethylene polymer onto the back surface of a primary backing to provide an adhesive backing. The method can include additional steps or procedures, either separately or in various combinations. Additional steps and procedures include washing or scouring the primary backing and fibers prior to the extrusion step, and utilizing implosion agents. The preferred homogeneously branched ethylene polymer is a substantially linear ethylene polymer. The constructions and methods described herein are particularly suited for making tufted, broad-loom carpet having improved abrasion resistance.
    • 本发明涉及地毯和制作地毯的方法。 在一个方面,地毯包括(a)具有面和背面的主衬里,(b)多个纤维,其连接到主衬里并从主衬里的表面延伸并暴露在 主要背衬,(c)粘合剂背衬,(d)与粘合剂背衬相邻的任选的辅助衬垫,和(e)至少一种均匀支化的乙烯聚合物。 该方法包括将至少一种均匀支化的乙烯聚合物挤出涂覆到主背衬的背表面上以提供粘合剂背衬。 该方法可以单独地或以各种组合包括附加的步骤或过程。 附加步骤和步骤包括在挤出步骤之前洗涤或冲洗主要的背衬和纤维,并且使用内爆剂。 优选均匀支化的乙烯聚合物是基本上线性的乙烯聚合物。 本文所述的结构和方法特别适用于制造具有改善的耐磨性的簇状,宽幅织地毯。