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    • 3. 发明申请
    • METHODS FOR PRODUCING WET-SPUN NON-WOVEN FABRICS
    • 生产无纺布非织造布的方法
    • US20090008050A1
    • 2009-01-08
    • US12175109
    • 2008-07-17
    • Yoshiharu NishikoriTomoyuki Terao
    • Yoshiharu NishikoriTomoyuki Terao
    • D04H1/64
    • D21H13/40D21H17/375D21H17/42D21H17/43D21H17/44D21H17/455D21H17/56D21H21/24D21H23/765H05K1/0366H05K2201/0293Y10T442/60Y10T442/623Y10T442/653
    • The present invention provides a wet-spun non-woven fabric composed of inorganic fibers containing bundled inorganic fibers and a binder component for binding the fibers, wherein the average number of the fibers in each bundle is 1.5 to 20 and the average Z/X value represented by the following formula in the cross section of the non-woven fabric is 0.9 or below: (number of adjacent fibers in the thickness direction in each bundle)/(number of adjacent fibers in the plane direction in each bundle)=Z/X, and a method for producing a wet-spun non-woven fabric, which comprises the steps of dispersing inorganic fibers in an aqueous medium in the presence of an anionic dispersion stabilizer, adding a cationic compound to the obtained fiber dispersion to bundle the fibers and thereby preparing a fiber dispersion containing the resultant fiber bundles, making a sheet from the obtained fiber dispersion containing the fiber bundles by wet method and applying a binder to the obtained sheet. The non-woven fabric is a non-woven inorganic fiber fabric having a high density.
    • 本发明提供一种由含有无机纤维的无机纤维和用于粘合纤维的粘合剂成分组成的湿纺非织造布,其中每束中纤维的平均数为1.5〜20,平均Z / X值 在无纺布的横截面中由下式表示的值为0.9或以下:<?in-line-formula description =“In-line formula”end =“lead”→>(相邻纤维的厚度数 每个束中的方向)/(每个束中的平面方向上的相邻纤维的数量)= Z / X,<?在线公式描述=“在线公式”end =“tail”?>以及用于 制备湿式无纺布,其包括在阴离子分散稳定剂存在下将无机纤维分散在水性介质中的步骤,向获得的纤维分散体中加入阳离子化合物以捆扎纤维,从而制备纤维分散体 含有所得纤维束,制成片材 得到的纤维分散液,通过湿法涂布纤维束,在所得的片材上涂布粘合剂。 无纺布是具有高密度的无纺布无机纤维织物。
    • 4. 发明申请
    • Wet-spun non-woven fabric and method for producing the same
    • 湿纺无纺布及其制造方法
    • US20050266758A1
    • 2005-12-01
    • US11189253
    • 2005-07-26
    • Yoshiharu NishikoriTomoyuki Terao
    • Yoshiharu NishikoriTomoyuki Terao
    • D21H13/40D21H17/37D21H17/42D21H17/43D21H17/44D21H17/45D21H17/56D21H21/08D21H21/24D21H23/76H05K1/03B32B17/04
    • D21H13/40D21H17/375D21H17/42D21H17/43D21H17/44D21H17/455D21H17/56D21H21/24D21H23/765H05K1/0366H05K2201/0293Y10T442/60Y10T442/623Y10T442/653
    • The present invention provides a wet-spun non-woven fabric composed of inorganic fibers containing bundled inorganic fibers and a binder component for binding the fibers, wherein the average number of the fibers in each bundle is 1.5 to 20 and the average Z/X value represented by the following formula in the cross section of the non-woven fabric is 0.9 or below: (number of adjacent fibers in the thickness direction in each bundle)/(number of adjacent fibers in the plane direction in each bundle)=Z/X,and a method for producing a wet-spun non-woven fabric, which comprises the steps of dispersing inorganic fibers in an aqueous medium in the presence of an anionic dispersion stabilizer, adding a cationic compound to the obtained fiber dispersion to bundle the fibers and thereby preparing a fiber dispersion containing the resultant fiber bundles, making a sheet from the obtained fiber dispersion containing the fiber bundles by wet method and applying a binder to the obtained sheet. The non-woven fabric is a non-woven inorganic fiber fabric having a high density.
    • 本发明提供一种由含有无机纤维的无机纤维和用于粘合纤维的粘合剂成分组成的湿纺非织造布,其中每束中纤维的平均数为1.5〜20,平均Z / X值 在无纺布的横截面中由下式表示的值为0.9或以下:<?in-line-formula description =“In-line formula”end =“lead”→>(相邻纤维的厚度数 每个束中的方向)/(每个束中的平面方向上的相邻纤维的数量)= Z / X,<?在线公式描述=“在线公式”end =“tail”?>以及用于 制备湿式无纺布,其包括在阴离子分散稳定剂存在下将无机纤维分散在水性介质中的步骤,向获得的纤维分散体中加入阳离子化合物以捆扎纤维,从而制备纤维分散体 含有所得的纤维束,从t制成片材 通过湿法获得含有纤维束的纤维分散体,并在所得的片材上涂布粘合剂。 无纺布是具有高密度的无纺布无机纤维织物。