公开(公告)号：US20070054579A1

公开(公告)日：2007-03-08

申请号：US11460453

申请日：2006-07-27

申请人： John Baker, Jr. ,  Gregory Farell ,  Shannon Schoppman

发明人： John Baker, Jr. ,  Gregory Farell ,  Shannon Schoppman

IPC分类号： D04H13/00 ,  B32B27/04

CPC分类号： D01F8/14 ,  A41D31/02 ,  A41D2400/22 ,  A41D2500/30 ,  B32B5/02 ,  B32B5/022 ,  B32B5/08 ,  B32B5/145 ,  B32B5/147 ,  B32B5/26 ,  B32B27/12 ,  B32B27/32 ,  B32B2250/20 ,  B32B2262/0253 ,  B32B2262/0261 ,  B32B2262/0276 ,  B32B2262/0284 ,  B32B2262/12 ,  B32B2307/41 ,  B32B2307/538 ,  B32B2307/54 ,  B32B2307/7145 ,  B32B2307/718 ,  B32B2307/724 ,  B32B2307/7265 ,  B32B2437/00 ,  B32B2509/00 ,  B32B2519/00 ,  D01F8/06 ,  D04H1/56 ,  D04H3/00 ,  D04H3/14 ,  D04H3/147 ,  D04H3/16 ,  Y10T428/2913 ,  Y10T442/2525 ,  Y10T442/614 ,  Y10T442/637 ,  Y10T442/641 ,  Y10T442/659 ,  Y10T442/66 ,  Y10T442/68 ,  Y10T442/69

摘要： The invention provides a sheet material comprising bicomponent filaments having first and second polymer components that are arranged in substantially distinct zones within the filaments, with the first polymer component formed of a relatively lower melting polymer and the second component formed of a relatively higher melting polymer. The filaments of the nonwoven fabric layer are densely arranged and compacted against one another to form smooth, substantially nonporous opposite outer surfaces, and the nonwoven fabric layer are calendered such that the lower melting sheath polymer is fused to the contacting surface portions of adjacent filaments to impart strength and coherency to the nonwoven fabric layer. The sheet material has excellent breathability and liquid barrier properties and may be useful in house wrap, medical garments, and envelope applications.

摘要翻译： 本发明提供一种片材，其包含具有第一和第二聚合物组分的双组分长丝，所述第一和第二聚合物组分布置在长丝内的基本上不同的区域中，其中第一聚合物组分由较低熔点的聚合物形成，第二组分由较高熔点的聚合物形成。 无纺布层的长丝彼此致密地排列和压实以形成平滑的，基本上无孔的相对的外表面，并且无纺织物层被压延，使得较低熔融鞘层聚合物熔合到相邻长丝的接触表面部分 赋予无纺布层强度和相干性。 片材具有优异的透气性和液体阻隔性，并且可用于家居包装，医疗服装和包封应用。