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High loft, nonwoven web exhibiting excellent recovery

机译:高阁楼,非织造纤维网表现出优异的复苏

摘要

A high loft, nonwoven web is disclosed having a three dimensional structure with fibers oriented in the x, y and z directions. The web has a fiber size distribution of from 0 μm to about 15 μm with at least about 25% of the fibers being above 4 μm. The web has a thickness of less than about 250 millimeters and a basis weight ranging from about 20 g/m2 to about 3,000 g/m2. The web also has a vertical cross-section, when taken parallel to a machine direction, exhibiting a plurality of snugly stacked, approximately V, U or C-shaped structures, with each V, U or C-shaped structure having an apex facing in the machine direction. The web further has a recovery value ranging from about 20% to about 99% after being compressed under a pressure of 0.25 psi for a time period of 30 minutes.
机译:公开了一种高倾斜的非织造纤维网,其具有三维结构,其具有取向在X,Y和Z方向上的纤维。纤维网的纤维尺寸分布为0μm至约15μm,至少约25%的纤维高于4μm。幅材的厚度小于约250毫米,基重范围为约20g / m 2至约3,000g / m 2。当纤维网也具有垂直的横截面,当平行于机器方向时,呈现多个紧密堆叠的,大约V,U或C形结构,每个V,U或C形结构具有面向in的顶点机器方向。在0.25psi的压力下在0.25psi的压力下,纤维网进一步的回收值范围为约20%至约99%30分钟的时间。

著录项

  • 公开/公告号US10961644B2

    专利类型

  • 公开/公告日2021-03-30

    原文格式PDF

  • 申请/专利权人 BIAX-FIBERFILM CORPORATION;

    申请/专利号US201715412670

  • 申请日2017-01-23

  • 分类号D04H3/007;D04H3/05;D04H3/07;D04H3/12;D04H3/14;D04H3/16;B32B5/12;B32B5/26;D04H3/02;D04H1/56;D04H1/70;D04H1/407;D04H1/413;

  • 国家 US

  • 入库时间 2022-08-24 17:58:31

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