公开(公告)号：US06566287B1

公开(公告)日：2003-05-20

申请号：US09530426

申请日：2000-05-01

申请人： Masahisa Mimura ,  Hideki Nitta ,  Nobuo Ohkawa ,  Kimio Nakamura ,  Yoshiji Usui ,  Hiroji Wakisaka ,  Akihiro Imoto

发明人： Masahisa Mimura ,  Hideki Nitta ,  Nobuo Ohkawa ,  Kimio Nakamura ,  Yoshiji Usui ,  Hiroji Wakisaka ,  Akihiro Imoto

IPC分类号： D04H100

CPC分类号： D06N3/0004 ,  D04H1/4334 ,  D04H1/435 ,  D04H1/4374 ,  D04H1/4382 ,  D04H1/4391 ,  Y10S428/904 ,  Y10T428/24438 ,  Y10T442/2008 ,  Y10T442/2369 ,  Y10T442/2893 ,  Y10T442/614 ,  Y10T442/615 ,  Y10T442/626 ,  Y10T442/689

摘要： A non-woven fabric having such a structure that fine fibers having a small fineness are entangled with one another and a sheet obtained by impregnating the non-woven fabric with an elastic polymer satisfy the following requirements: the fine fibers should be obtained by splitting a strippable and splittable composite short fiber comprising at least two components; the fine fibers should have a monofilament size of 0.01 to 0.5 denier; the fine fibers should form a fine non-woven fabric structure that they are entangled with one another at random; the apparent density should be 0.18 to 0.45 g/cm3; the average area of spaces between fibers in the cross section of the non-woven fabric measured by the image analysis of an electron scanning microscope should be 70 to 250 &mgr;m2; and the non-woven fabric should have such a uniform structure that the standard deviation of the area of a space between fibers in the cross section of the non-woven fabric measured by the image analysis of the electron scanning microscope is 200 to 600 &mgr;m2. The non-woven fabric and sheet are advantageously used as a substrate for artificial leather.

摘要翻译： 具有这样一种结构的无纺织物，其细纤维细小的纤维彼此缠结，并且通过用弹性聚合物浸渍无纺布获得的片材满足以下要求：细纤维应该通过分裂 可剥离和可分裂复合短纤维，其包含至少两种组分; 细纤维的单丝尺寸应为0.01〜0.5旦; 细纤维应形成细微的无纺布结构，使它们互相缠绕; 表观密度应为0.18〜0.45g / cm3; 通过电子扫描显微镜的图像分析测量的无纺布横截面中的纤维之间的平均空间面积应为70至250mum2; 并且无纺布应具有通过电子扫描显微镜的图像分析测量的无纺布横截面中的纤维之间的空间面积的标准偏差为200至600mum2的均匀结构。 无纺布和片材有利地用作人造革的基材。