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    • 10. 发明申请
    • LIQUID-IMPERMEABLE, VAPOR-PERMEABLE, INTEGRAL FLOOR COVERING AND PROCESS FOR THE MANUFACTURE THEREOF
    • 液体不可渗透,蒸汽渗透性,整体地板覆盖及其制造方法
    • WO01098575A1
    • 2001-12-27
    • PCT/US2001/020150
    • 2001-06-22
    • B32B27/12B32B37/12D06N7/00D05C17/02B32B7/04B32B7/12B32B27/20B32B31/04B32B31/06B32B31/08B32B31/12B32B31/20B32B31/26
    • B32B27/12B32B37/04B32B37/12B32B2307/724B32B2307/7265B32B2471/00D06N7/0068D06N7/0078D06N2201/0254D06N2201/0263D06N2201/10D06N2209/125D06N2209/128
    • A liquid-impermeable, vapor-permeable floor covering, such as a carpet or rug, is provided. In one embodiment of the floor covering (10), it has an upper or top tufted carpeting layer (16) that includes a primary substrate (26) and tufts (32, 34) of yarn (36) extending above the primary substrate (26). A composite secondary backing (15) is located below the primary substrate (26) and is bonded to the carpeting layer (16) by adhesive layer (38). A breathable polymeric film (12) which is liquid-impermeable and vapor-permeable is located below and bonded to a secondary substrate (18) by adhesive layer (23). A method of manufacturing the floor covering (10) includes adhesively bonding an upper surface (14) of a microporous, liquid impermeable, vapor permeable film (12) to a lower surface (22) of a secondary substrate (18), thereby forming a composite secondary backing (15); and then bonding an upper surface (20) of the composite secondary backing (15) to the lower surface (30) of a primary substrate (26) with a hot melt adhesive (38).
    • 提供了液体不可渗透的,透气的地板覆盖物,例如地毯或地毯。 在地板覆盖物(10)的一个实施方案中,其具有上部或顶部簇绒地毯层(16),其包括主基底(26)和在主基底(26)上方延伸的纱线(36)的簇(32,34) )。 复合辅助衬垫(15)位于初级衬底(26)的下方,并通过粘合剂层(38)结合到地毯层(16)。 液体不可渗透和透气的透气聚合物膜(12)位于粘合剂层(23)的下方并与第二基底(18)接合。 制造地板覆盖物(10)的方法包括将微孔,液体不可渗透的透气膜(12)的上表面(14)粘合到第二基底(18)的下表面(22)上,从而形成 复合二次背衬(15); 然后用热熔粘合剂(38)将复合辅助衬垫(15)的上表面(20)粘合到主衬底(26)的下表面(30)上。