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公开(公告)号：US09328211B2
公开(公告)日：2016-05-03
申请号：US14403541
申请日：2013-05-15
发明人： Junji Nemoto , Toshihiko Soyama , Akira Isogai , Tsuguyuki Saito
CPC分类号： C08J9/28 , C08B15/04 , C08J2201/0484 , C08J2301/02 , C08L1/02 , D21H11/20 , F26B5/06 , Y10T428/249965
摘要： A porous body that contains cellulose nanofibers having very thin fiber diameters and high hydrophilicity, and has a large specific surface area, and to provide a method of producing the porous body simply with low cost. A method of producing a porous cellulose comprises a process of lyophilizing a mixed liquid containing cellulose nanofibers and a dispersion medium, wherein the dispersion medium is a mixed dispersion medium of water and an organic solvent dissolving in water, a concentration of the organic solvent in the mixed dispersion medium is 2 to 40 mass %, and a solid content concentration of the cellulose nanofibers in the mixed liquid is 0.001 to 5 mass %.
摘要翻译： 一种多孔体，其含有纤维直径非常小，亲水性高，纤维素纳米纤维比表面积大的多孔体，简单地提供低成本地制造多孔体的方法。 多孔性纤维素的制造方法包括将含有纤维素纳米纤维和分散介质的混合液冷冻干燥的方法，其中分散介质是水和溶于水的有机溶剂的混合分散介质，其中有机溶剂的浓度在 混合分散介质为2〜40质量％，混合液中的纤维素纳米纤维的固体成分浓度为0.001〜5质量％。
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公开(公告)号：US20150093560A1
公开(公告)日：2015-04-02
申请号：US14403541
申请日：2013-05-15
发明人： Junji Nemoto , Toshihiko Soyama , Akira Isogai , Tsuguyuki Saito
CPC分类号： C08J9/28 , C08B15/04 , C08J2201/0484 , C08J2301/02 , C08L1/02 , D21H11/20 , F26B5/06 , Y10T428/249965
摘要： A porous body that contains cellulose nanofibers having very thin fiber diameters and high hydrophilicity, and has a large specific surface area, and to provide a method of producing the porous body simply with low cost. A method of producing a porous cellulose comprises a process of lyophilizing a mixed liquid containing cellulose nanofibers and a dispersion medium, wherein the dispersion medium is a mixed dispersion medium of water and an organic solvent dissolving in water, a concentration of the organic solvent in the mixed dispersion medium is 2 to 40 mass %, and a solid content concentration of the cellulose nanofibers in the mixed liquid is 0.001 to 5 mass %.
摘要翻译： 一种多孔体，其含有纤维直径非常小，亲水性高，纤维素纳米纤维比表面积大的多孔体，简单地提供低成本地制造多孔体的方法。 多孔性纤维素的制造方法包括将含有纤维素纳米纤维和分散介质的混合液冷冻干燥的方法，其中分散介质是水和溶于水的有机溶剂的混合分散介质，其中有机溶剂的浓度在 混合分散介质为2〜40质量％，混合液中的纤维素纳米纤维的固体成分浓度为0.001〜5质量％。
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公开(公告)号：US20150075406A1
公开(公告)日：2015-03-19
申请号：US14377902
申请日：2012-02-15
发明人： Junji Nemoto , Toshihiko Soyama , Tsuguyuki Saito , Akira Isogai
CPC分类号： B01D71/10 , B01D39/18 , B01D67/0002 , B01D67/0079 , B01D67/0095 , B01D69/12 , B01D71/022 , B01D71/04 , B01D2239/025 , B01D2239/0654 , B01D2239/1233 , B82Y30/00 , C08J9/0085 , C08J9/42 , C08J2301/00 , C08J2369/00 , D06M15/05
摘要： The object of the present invention is to provide a porous body having fluid permeance, which contains cellulose-based nanofibers having an extremely thin fiber diameter and high hydrophilicity, and to manufacture a porous body at low cost. The porous body according to the present invention is a porous body in which nanofibers are entangled to form net-like structural bodies in pores of a porous support having many pores that are connecting with one another, wherein the nanofibers are cellulose-based nanofibers, and have a number average fiber diameter of from 1 to 100 nm.
摘要翻译： 本发明的目的是提供一种具有流体渗透性的多孔体，其含有纤维直径非常小，亲水性极高的纤维素系纳米纤维，低成本地制造多孔体。 根据本发明的多孔体是多孔体，其中纳米纤维缠结形成网状结构体，该多孔体具有彼此连接的许多孔的多孔载体的孔中，其中纳米纤维是基于纤维素的纳米纤维，以及 数均纤维直径为1〜100nm。
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公开(公告)号：US20140342626A1
公开(公告)日：2014-11-20
申请号：US14368312
申请日：2013-01-29
发明人： Toshihiko Soyama , Junji Nemoto , Hisashi Hamabe
CPC分类号： B01D69/10 , B32B5/022 , B32B27/12 , B32B2255/02 , B32B2262/0276 , B32B2307/726 , B32B2307/7265 , D04H1/435 , D04H1/44 , D04H1/542 , D04H1/64 , D21H13/24 , Y10T442/2861
摘要： Provided is a non-woven fabric for semipermeable membrane support, in which adhesiveness of a semipermeable membrane to a support is satisfactory, the thickness uniformity of the semipermeable membrane is satisfactory, and permeation-through of a coating liquid does not occur. Disclosed is a non-woven fabric for semipermeable membrane support containing organic synthetic fibers as a primary component, wherein a semipermeable membrane is to be supported by one surface of the non-woven fabric, wherein the coated surface to be coated with the semipermeable membrane and the non-coated surface that is opposite to the coated surface of the non-woven fabric both have a Bekk smoothness of 5 seconds or more, and the non-woven fabric has an internal bond strength in the sheet transverse direction in the range from 0.4 to 0.8 N·m.
摘要翻译： 本发明提供一种半透膜支撑体的无纺布，其中半透膜与载体的粘合性令人满意，半透膜的厚度均匀性是令人满意的，并且不会发生涂布液的渗透。 公开了一种含有有机合成纤维作为主要组分的半透膜支架的无纺布，其中半透膜将由无纺织物的一个表面支撑，其中待涂覆半透膜的被覆表面和 与无纺布的涂布面相反的未涂布表面的Bekk平滑度为5秒以上，无纺布的板宽方向的内部粘结强度为0.4以下 至0.8N·m。
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5.发明授权公开(公告)号：US09656196B2
公开(公告)日：2017-05-23
申请号：US14781275
申请日：2014-01-30
发明人： Masashi Sato , Hiroyuki Yamamoto , Eiko Meguro , Junji Nemoto , Toshihiko Soyama
IPC分类号： D21H13/40 , B01D39/06 , D21H13/24 , D21H21/18 , B01D39/20 , D04H1/4218 , D04H1/542 , D21H15/02 , D21H17/09 , D21H17/53 , F24F3/16
CPC分类号： B01D39/2024 , B01D2239/086 , B01D2239/1233 , D04H1/4218 , D04H1/542 , D21H13/24 , D21H13/40 , D21H15/02 , D21H17/09 , D21H17/53 , F24F2003/1614 , Y02A50/21
摘要： A filter media for an air filter having a PF value higher than ever, and an air filter provided with the same. The filter media for an air filter is composed of wet-laid nonwoven fabric containing a glass fiber having an average fiber diameter of less than 1 and a binder fiber, and wherein the wet-laid nonwoven fabric contains a fluorine resin and a surfactant, and does not contain a resin binder or contains a binder resin in an amount of 50% by mass or less based on the fluorine resin.
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6.发明申请NONWOVEN FABRIC FOR SEMIPERMEABLE MEMBRANE SUPPORTING BODY AND METHOD FOR MANUFACTURING SAME 审中-公开用于可切割膜支持体的非织造织物及其制造方法公开(公告)号：US20150004865A1
公开(公告)日：2015-01-01
申请号：US14371307
申请日：2013-02-15
发明人： Toshihiko Soyama , Junji Nemoto , Hisashi Hamabe
CPC分类号： B01D71/06 , B01D69/02 , B01D69/10 , B01D2325/00 , D04H1/435 , D04H1/55 , D04H1/558 , D04H1/64 , D10B2331/04 , D10B2505/04 , D21H13/24 , Y10T442/671
摘要： The present invention addresses the problem of providing a nonwoven fabric for semipermeable membrane supporting body, which gives fine MD curl when a semipermeable membrane coating liquid is coated on the supporting body (nonwoven fabric) and cured, and a method for producing the nonwoven fabric. The nonwoven fabric for semipermeable membrane supporting body according to the present invention is a nonwoven fabric containing organic synthetic fibers as a primary component, wherein a semipermeable membrane is to be supported by one surface of the nonwoven fabric, wherein when the nonwoven fabric on which a semipermeable membrane is to be coated is separated into a layer on the side of the semipermeable membrane-coated surface and a layer on the side of the non-semipermeable membrane-coated surface by delaminating the nonwoven fabric into two layers in the thickness direction, the layer on the side of the semipermeable membrane-coated surface is 35% by mass or more and 70% by mass or less with respect to the total of the layer on the side of the semipermeable membrane-coated surface and the layer on the side of the non-semipermeable membrane-coated surface.
摘要翻译： 本发明解决了提供一种半透膜支撑体用无纺布的问题，在将半透膜涂布液涂布在支撑体（无纺布）上并使其固化时，能够得到良好的MD卷曲，以及无纺布的制造方法。 本发明的半透膜支撑体用无纺布是以有机合成纤维为主要成分的无纺布，其中，半透膜由无纺布的一面支承，其中， 通过将无纺织物在厚度方向上分层成两层，将要涂布的半透膜分隔成半透膜涂层表面侧和非半透膜涂层表面侧的层， 半透膜涂层表面一侧的层相对于半透膜涂布面一侧的层的总计为35质量％以上且70质量％以下， 非半透膜涂膜表面。
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公开(公告)号：US09889411B2
公开(公告)日：2018-02-13
申请号：US14360319
申请日：2013-01-11
发明人： Toshihiko Soyama , Junji Nemoto , Hisashi Hamabe
CPC分类号： B01D69/10 , B01D69/12 , B32B5/022 , B32B2250/03 , B32B2250/20 , B32B2307/724 , B32B2307/726 , C02F1/441 , C02F1/444 , D21H13/24
摘要： Provided is a nonwoven fabric for semipermeable membrane support, in which adhesiveness of a semipermeable membrane to a support is satisfactory, the thickness uniformity of the semipermeable membrane is satisfactory, and permeation-through of a coating liquid does not occur. Disclosed is a nonwoven fabric for semipermeable membrane support, in which when a region extending from the semipermeable membrane-coated side surface of the nonwoven fabric to a predetermined portion of the total basis weight in the thickness direction is designated as a coated layer region, a region extending from the non-semipermeable membrane-coated surface of the nonwoven fabric to a predetermined portion of the total basis weight in the thickness direction is designated as a non-coated layer region, and a region obtained by excluding the respective predetermined portions of the total basis weight in the thickness direction from both the semipermeable membrane-coated side surface and the non-semipermeable membrane-coated surface of the nonwoven fabric is designated as a middle layer region, the pressure drop per unit basis weight of the middle layer region after the exclusion is lower than the pressure drop per unit basis weight of the coated layer region and the pressure drop per unit basis weight of the non-coated layer region, and the pressure drop per unit basis weight of the middle layer region after the exclusion is in the range of 10% to 70% relative to the pressure drop per unit basis weight of the nonwoven fabric before the exclusion. The predetermined portion is defined to be about 25%.
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公开(公告)号：US20160355961A1
公开(公告)日：2016-12-08
申请号：US15244050
申请日：2016-08-23
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 method for producing a wet-laid nonwoven fabric for a semipermeable membrane supporting body, the method comprising: performing papermaking according to a wet papermaking method by using a fiber slurry containing a synthetic fiber as a main constituent fiber; drying the fiber slurry; subsequently subjecting the dried sheet to hot press processing two times by using a heat calender apparatus, wherein the hot press process temperature in the second treatments is adjusted to be higher by 10° C. or more than the hot press processing temperature in the first treatment, while treating the dried sheet by using a hard nip heat calender apparatus equipped with a combination of a metal roll and a metal roll for at least one time of the hot press processing; and thereby obtaining a wet-laid nonwoven fabric for a semipermeable membrane supporting body.
摘要翻译： 一种半透膜支撑体的湿法无纺布的制造方法，其特征在于，包括：使用含有合成纤维作为主要成分纤维的纤维浆料，根据湿法造纸法进行造纸; 干燥纤维浆料; 随后使用热压机设备对干燥的片材进行热压加工两次，其中将第二处理中的热压加工温度调节至比第一处理中的热压加工温度高10℃或更高 同时使用配备有金属辊和金属辊的组合的硬压区热压延机处理干燥片材至少一次热压加工; 从而得到用于半透膜支撑体的湿式无纺布。
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公开(公告)号：US20150174535A1
公开(公告)日：2015-06-25
申请号：US14360319
申请日：2013-01-11
发明人： Toshihiko Soyama , Junji Nemoto , Hisashi Hamabe
CPC分类号： B01D69/10 , B01D69/12 , B32B5/022 , B32B2250/03 , B32B2250/20 , B32B2307/724 , B32B2307/726 , C02F1/441 , C02F1/444 , D21H13/24
摘要： Provided is a nonwoven fabric for semipermeable membrane support, in which adhesiveness of a semipermeable membrane to a support is satisfactory, the thickness uniformity of the semipermeable membrane is satisfactory, and permeation-through of a coating liquid does not occur. Disclosed is a nonwoven fabric for semipermeable membrane support, in which when a region extending from the semipermeable membrane-coated side surface of the nonwoven fabric to a predetermined portion of the total basis weight in the thickness direction is designated as a coated layer region, a region extending from the non-semipermeable membrane-coated surface of the nonwoven fabric to a predetermined portion of the total basis weight in the thickness direction is designated as a non-coated layer region, and a region obtained by excluding the respective predetermined portions of the total basis weight in the thickness direction from both the semipermeable membrane-coated side surface and the non-semipermeable membrane-coated surface of the nonwoven fabric is designated as a middle layer region, the pressure drop per unit basis weight of the middle layer region after the exclusion is lower than the pressure drop per unit basis weight of the coated layer region and the pressure drop per unit basis weight of the non-coated layer region, and the pressure drop per unit basis weight of the middle layer region after the exclusion is in the range of 10% to 70% relative to the pressure drop per unit basis weight of the nonwoven fabric before the exclusion. The predetermined portion is defined to be about 25%.
摘要翻译： 本发明提供一种半透膜支撑用无纺布，其中半透膜与载体的粘合性令人满意，半透膜的厚度均匀性是令人满意的，并且不会发生涂布液的渗透。 公开了一种半透膜支撑用无纺布，其中当将从无纺布的半透膜侧表面延伸到厚度方向上的总基重的预定部分的区域指定为涂层区域时， 从无纺布的非半透膜涂布面延伸到厚度方向的总单位面积的规定部分的区域被指定为非涂层区域，并且通过排除各个预定部分 将无纺布的半透膜侧涂布面和非半透膜涂布面的厚度方向的总单位面积称为中间层区域，后面的中间层区域的单位面积重量的压降 排除低于涂层区域和压降pe的每单位基重的压降 r单位单位面积重量，排除后的中间层区域的每单位基重的压降相对于非织造布的每单位基重的压降在10％〜70％的范围内 面料排除前。 预定部分被定义为约25％。
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公开(公告)号：US20200246758A1
公开(公告)日：2020-08-06
申请号：US16853383
申请日：2020-04-20
发明人： Junji Nemoto , Toshihiko Soyama , Tsuguyuki Saito , Akira Isogai
IPC分类号： B01D71/10 , B82Y30/00 , B01D39/18 , B01D67/00 , B01D69/12 , B01D71/02 , B01D71/04 , C08J9/00 , C08J9/42 , D06M15/05
摘要： A process for manufacturing a porous body, includes preparing a dispersion liquid having a dispersion medium with cellulose-based nanofibers that have an average fiber diameter from 1 to 100 nm and dispersed therein, attaching the dispersion liquid to a porous support having a plurality of pores that connect with one another, removing the dispersion liquid attached to a surface of the porous support excluding an inside of pores of the porous support, and subsequently drying the porous support including the dispersion liquid in the pores of the porous support to remove the dispersion medium.
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