公开(公告)号：US20090039013A1

公开(公告)日：2009-02-12

申请号：US11658072

申请日：2004-07-21

申请人： Nobuyuki Sakadume ,  Eiko Meguro ,  Toshihiko Soyama

发明人： Nobuyuki Sakadume ,  Eiko Meguro ,  Toshihiko Soyama

IPC分类号： B01D69/02 ,  D21H17/33

CPC分类号： B01D39/1623 ,  B01D39/1615 ,  Y10T442/186 ,  Y10T442/191 ,  Y10T442/198 ,  Y10T442/60 ,  Y10T442/697 ,  Y10T442/698

摘要： A filter medium for liquid filtration of fine texture exhibiting high strength when wetted with water, which filter medium is comprised of a wet-laid nonwoven fabric. There is provided a filter medium for liquid filtration comprised of a wet-laid nonwoven fabric, characterized in that through blending of 0.5 to 40 wt. % of unbeaten natural fibers, it exhibits a very fine texture, a lowering ratio, calculated from bursting strength in ordinary state and bursting strength when wetted with water, of 30% or below, and a bursting strength, had when wetted with water, of 300 kPa or greater.

摘要翻译： 一种过滤介质，用于在用水润湿时表现出高强度的细小织构的液体过滤，该过滤介质由湿式无纺布构成。 提供了一种用于液体过滤的过滤介质，其包括湿式无纺织物，其特征在于通过混合0.5至40wt。 ％的不败天然纤维，其表现出非常细小的质感，由普通状态下的破裂强度计算出的降低比例和用水润湿时的破裂强度为30％以下，以及当用水润湿时的破裂强度 300 kPa以上。

公开(公告)号：US20130267142A1

公开(公告)日：2013-10-10

申请号：US13881272

申请日：2011-12-22

申请人： Toshihiko Soyama ,  Nobuyuki Sakadume ,  Junji Nemoto

发明人： Toshihiko Soyama ,  Nobuyuki Sakadume ,  Junji Nemoto

IPC分类号： D04H1/732 ,  D04H1/04

CPC分类号： D04H1/732 ,  B01D69/105 ,  D04H1/04 ,  D04H1/26 ,  D04H1/4218 ,  D04H1/541 ,  D04H1/55 ,  D21H13/10 ,  D21H13/24 ,  D21H13/40 ,  D21H17/53 ,  D21H17/67 ,  D21H25/04 ,  Y10T442/60

摘要： A uniform semipermeable membrane supporting body which does not cause any defect in the semipermeable membrane coating layer when a semipermeable membrane coating liquid is applied, and is free of low density defects. The wet-laid nonwoven fabric for a semipermeable membrane supporting body according to the present disclosure contains a synthetic fiber as a main constituent fiber, has been subjected to hot press processing, has a pressure loss at a face velocity of 5.3 cm/second of from 50 Pa to 3000 Pa and a sheet density of 0.5 g/cm3 or greater, and satisfies the evaluation criterion of condition 1 or condition 2: (Condition 1) Spots are not observed when solid printing is carried out with a printing ink over the entire surface of one surface of the wet-laid nonwoven fabric for a semipermeable membrane supporting body (rolled product, cut to a length of 1800 mm in the length direction); and (Condition 2) When a wet-laid nonwoven fabric for a semipermeable membrane supporting body that has been cut to a size of 210 mm×297 mm is subjected to solid printing over the entire surface of one surface with a printing ink, is used as a sample, spots are not observed in 95% or more of the samples among such samples thus extracted.

摘要翻译： 一种半透膜组合体支撑体，当半透膜涂布液被施加时，不引起半透膜包覆层的缺陷，并且不含低密度缺陷。 根据本公开的用于半透膜支撑体的湿式无纺布包含合成纤维作为主要构成纤维，已进行热压加工，其表面速度为5.3cm /秒的压力损失 50Pa〜3000Pa，片密度为0.5g / cm 3以上，满足条件1或条件2的评价标准：（条件1）使用整个印刷油墨进行固体印刷时，未观察到斑点 用于半透膜支撑体的湿式无纺布的一个表面的表面（轧制产品，在长度方向上切割成长度为1800mm）; （条件2）使用已经切割成210mm×297mm尺寸的半透膜支撑体的湿式无纺布在印刷油墨的一个表面的整个表面上进行固体印刷 作为样品，在这样提取的样品中95％以上的样品中未观察到斑点。

公开(公告)号：US08662316B2

公开(公告)日：2014-03-04

申请号：US11658072

申请日：2004-07-21

申请人： Nobuyuki Sakadume ,  Eiko Meguro ,  Toshihiko Soyama

发明人： Nobuyuki Sakadume ,  Eiko Meguro ,  Toshihiko Soyama

IPC分类号： B01D24/00 ,  D04H5/00

CPC分类号： B01D39/1623 ,  B01D39/1615 ,  Y10T442/186 ,  Y10T442/191 ,  Y10T442/198 ,  Y10T442/60 ,  Y10T442/697 ,  Y10T442/698

摘要： A filter medium for liquid filtration of fine texture exhibiting high strength when wetted with water, which filter medium is comprised of a wet-laid nonwoven fabric. There is provided a filter medium for liquid filtration comprised of a wet-laid nonwoven fabric, characterized in that through blending of 0.5 to 40 wt. % of unbeaten natural fibers, it exhibits a very fine texture, a lowering ratio, calculated from bursting strength in ordinary state and bursting strength when wetted with water, of 30% or below, and a bursting strength, had when wetted with water, of 300 kPa or greater.

摘要翻译： 一种过滤介质，用于在用水润湿时表现出高强度的细小织构的液体过滤，该过滤介质由湿式无纺布构成。 提供了一种用于液体过滤的过滤介质，其包括湿式无纺织物，其特征在于通过混合0.5至40wt。 ％的不败天然纤维，其表现出非常细小的质感，由普通状态下的破裂强度计算出的降低比例和用水润湿时的破裂强度为30％以下，以及当用水润湿时的破裂强度 300 kPa以上。

公开(公告)号：US07520912B2

公开(公告)日：2009-04-21

申请号：US10506520

申请日：2002-10-16

申请人： Nobuyuki Sakadume ,  Toshihiko Soyama ,  Eiko Meguro ,  Kazuro Isomae ,  Mikiko Gokano

发明人： Nobuyuki Sakadume ,  Toshihiko Soyama ,  Eiko Meguro ,  Kazuro Isomae ,  Mikiko Gokano

IPC分类号： B01D45/00 ,  A61L9/00 ,  C12N11/14

CPC分类号： A61L9/16 ,  B01D39/1615 ,  B01D39/1623 ,  B01D53/02 ,  B01D2253/20 ,  C12N11/02 ,  C12N11/14

摘要： It is intended to provide an air purification filter which has a high dry tensile strength, a high wet tensile strength in association with a high water resistance and a high water repellency and exhibits a bactericidal effect due to a gas phase reaction in a gas phase. Namely, an air purification filter having a high dry tensile strength, a high wet tensile strength (a high water resistance) and a high water repellency as well as a bactericidal effect which is obtained by blending a filter fiber having a functional group with a mixture of a modification enzyme which has an ionic polarity opposite to the ionic polarity of the whole filter fiber as described above and a bactericidal effect with an ionic synthetic resin binder having the opposite ionic polarity similar to the modification enzyme.

摘要翻译： 旨在提供一种空气净化过滤器，其具有高的抗拉强度，高的抗拉强度，并且具有高耐水性和高斥水性，并且由于气相中的气相反应而具有杀菌作用。 即，通过将具有官能团的过滤纤维与混合物共混获得的具有高干抗拉强度，高抗拉强度（高耐水性）和高斥水性以及杀菌效果的空气净化过滤器 的改性酶，其具有与如上所述的整个过滤纤维的离子极性相反的离子极性，并且与具有与修饰酶相似的离子极性的离子合成树脂粘合剂具有杀菌效果。

公开(公告)号：US20060117958A1

公开(公告)日：2006-06-08

申请号：US10506520

申请日：2002-10-16

申请人： Nobuyuki Sakadume ,  Toshihiko Soyama ,  Elko Meguro ,  Kazuro Isomae ,  Mikiko Gokano

发明人： Nobuyuki Sakadume ,  Toshihiko Soyama ,  Elko Meguro ,  Kazuro Isomae ,  Mikiko Gokano

IPC分类号： B01D46/00

CPC分类号： A61L9/16 ,  B01D39/1615 ,  B01D39/1623 ,  B01D53/02 ,  B01D2253/20 ,  C12N11/02 ,  C12N11/14

摘要： It is intended to provide an air purification filter which has a high dry tensile strength, a high wet tensile strength in association with a high water resistance and a high water repellency and exhibits a bactericidal effect due to a gas phase reaction in a gas phase. Namely, an air purification filter having a high dry tensile strength, a high wet tensile strength (a high water resistance) and a high water repellency as well as a bactericidal effect which is obtained by blending a filter fiber having a functional group with a mixture of a modification enzyme which has an ionic polarity opposite to the ionic polarity of the whole filter fiber as described above and a bactericidal effect with an ionic synthetic resin binder having the opposite ionic polarity similar to the modification enzyme.

摘要翻译： 旨在提供一种空气净化过滤器，其具有高的抗拉强度，高的抗拉强度，并且具有高耐水性和高斥水性，并且由于气相中的气相反应而具有杀菌作用。 即，通过将具有官能团的过滤纤维与混合物共混获得的具有高干抗拉强度，高抗拉强度（高耐水性）和高斥水性以及杀菌效果的空气净化过滤器 的改性酶，其具有与如上所述的整个过滤纤维的离子极性相反的离子极性，并且与具有与修饰酶相似的离子极性的离子合成树脂粘合剂具有杀菌效果。