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公开(公告)号：US20190217286A1
公开(公告)日：2019-07-18
申请号：US16329038
申请日：2017-08-29
Applicant: TORAY INDUSTRIES, INC.
Inventor： Ryoma MIYAMOTO , Keisuke YONEDA , Ryuichiro HIRANABE , Satoko KANAMORI , Keiji TAKEDA , Noriko NAGAI , Naoki ASAI
IPC: B01J47/127 , B01J39/20 , C02F1/42 , C02F1/44
CPC classification number: B01J47/127 , B01J39/20 , B01J45/00 , C02F1/42 , C02F1/44 , C02F1/441 , C02F2001/425 , D06M14/16 , D06M15/263 , D06M15/285
Abstract: The present invention relates to an ion exchange fiber including: a core fiber; and an ion exchange layer that is disposed at a vicinity of the core fiber and includes a crosslinked polymer compound having an ion exchange group, in which, in a cross section perpendicular to a longitudinal direction of the ion exchange fiber, an area of the ion exchange layer occupies 50% or more and 90% or less of a total cross sectional area, and the ion exchange fiber has a swelling ratio of 50% or less.
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2.发明申请公开(公告)号：US20200246759A1
公开(公告)日：2020-08-06
申请号：US16853936
申请日：2020-04-21
Applicant: TORAY INDUSTRIES, INC.
Inventor： Koichi TAKADA , Gohei YAMAMURA , Ryuichiro HIRANABE , Masayuki HANAKAWA , Hiroshi TAKAHASHI , Takaaki MIHARA , Masahiro KIMURA , Hiroki TOMIOKA
Abstract: The problem to be solved by the present invention is to provide a separation film mainly comprising a cellulose-based resin having high permeability. The present invention pertains to a separation film containing a cellulose ester, wherein the separation film is provided with a bicontinuous structure comprising voids and phases containing the cellulose ester, and the width of the voids is 1 to 200 nm inclusive.
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公开(公告)号：US20200261886A1
公开(公告)日：2020-08-20
申请号：US16651507
申请日：2018-08-31
Applicant: TORAY INDUSTRIES, INC.
Inventor： Ryoma MIYAMOTO , Gohei YAMAMURA , Yoichiro KOZAKI , Ryuichiro HIRANABE , Satoko KANAMORI
Abstract: Provided is a filter having either or both of a winding and a laminate that include a fiber-like absorbing material, wherein the fiber-like absorbing material has a base material and metal particles supported on the base material, and the diameter D of the fiber-like absorbing material, the void fraction of the winding or laminate, and the variation in the area void fraction in the radial direction of the winding or the variation in the area void fraction in the direction of lamination are in a specific range.
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Patent Agency Ranking
4.发明申请公开(公告)号：US20180280893A1
公开(公告)日：2018-10-04
申请号：US15764390
申请日：2016-09-30
Applicant: TORAY INDUSTRIES, INC.
Inventor： Koichi TAKADA , Gohei YAMAMURA , Ryuichiro HIRANABE , Masayuki HANAKAWA , Hiroshi TAKAHASHI , Takaaki MIHARA , Masahiro KIMURA , Hiroki TOMIOKA
Abstract: The problem to be solved by the present invention is to provide a separation film mainly comprising a cellulose-based resin having high permeability. The present invention pertains to a separation film containing a cellulose ester, wherein the separation film is provided with a bicontinuous structure comprising voids and phases containing the cellulose ester, and the width of the voids is 1 to 200 nm inclusive.
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公开(公告)号：US20180065093A1
公开(公告)日：2018-03-08
申请号：US15563315
申请日：2016-03-31
Applicant: TORAY INDUSTRIES, INC.
Inventor： Koichi TAKADA , Gohei YAMAMURA , Ryuichiro HIRANABE , Hiroki TOMIOKA
CPC classification number: B01D71/18 , B01D67/002 , B01D69/02 , B01D69/08 , B01D69/081 , B01D69/12 , B01D71/16 , B01D71/48 , B01D71/56 , B01D2325/021 , B01D2325/04 , C08J5/18
Abstract: A problem to be solved by the present invention is to provide a separation membrane having excellent separation performance, having high membrane strength and high permeation performance, and mainly including a cellulose-based resin. The present invention is concerned with a separation membrane including a cellulose ester, having, in the interior thereof, voids each having a specified structure, and having a tensile elasticity of 1,000 to 6,500 MPa.
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公开(公告)号：US20200062616A1
公开(公告)日：2020-02-27
申请号：US16489278
申请日：2018-02-28
Applicant: TORAY INDUSTRIES, INC.
Inventor： Ryoma MIYAMOTO , Keisuke YONEDA , Kumiko OGAWA , Satoko KANAMORI , Ryuichiro HIRANABE , Yoichiro KOZAKI
Abstract: The present invention provides a filter which, even when raw water is subjected to high-speed treatment, enables achieving a high solute rejection ratio and a long solute filtration life and which exhibits a low water flow resistance. The present invention pertains to a filter obtained by laminating woven fabrics or knitted fabrics, the filter being characterized in that: said woven fabrics or knitted fabrics comprise a fiber capable of adsorbing components dissolved in liquid: said fiber has a diameter of 100-600 μm; the woven fabrics or knitted fabrics have a porosity of 15-70%; and variation in area porosity in the thickness direction of the laminate is 15% or less.
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公开(公告)号：US20190060838A1
公开(公告)日：2019-02-28
申请号：US15763291
申请日：2016-06-24
Applicant: TORAY INDUSTRIES, INC.
Inventor： Ryuichiro HIRANABE , Kentaro KOBAYASHI , Masayuki HANAKAWA , Tamotsu KITADE
IPC: B01D69/02 , B01D69/08 , B01D69/14 , B01D71/34 , B01D71/02 , B01D65/02 , C02F1/44 , C02F1/28 , B01J20/06 , B01J20/20 , B01J20/28 , B01J20/26
Abstract: The purpose of the present invention is to provide a porous molded body which is capable of adsorbing and removing low-molecular-weight organic matters or ions with high removal rate. The present invention relates to a porous molded body which is provided with: a plurality of columnar structures containing a crystalline polymer and having a (long side)/(short side) aspect ratio of 2 or more; and inorganic particles.
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公开(公告)号：US20180117537A1
公开(公告)日：2018-05-03
申请号：US15569859
申请日：2016-04-28
Applicant: TORAY INDUSTRIES, INC.
Inventor： Gohei YAMAMURA , Koichi TAKADA , Ryuichiro HIRANABE , Hiroki TOMIOKA
CPC classification number: B01D69/081 , B01D69/00 , B01D69/02 , B01D69/08 , B01D69/10 , B01D69/12 , B01D71/14
Abstract: Problems that the invention is to solve is to provide a composite hollow fiber membrane being excellent in separation performance and permeation performance, having high membrane strength, and capable of being easily produced, and a method for producing the same. The present invention relates to a composite hollow fiber membrane including at least a layer (A) and a layer (B), in which the composite hollow fiber membrane has an outer diameter of 20 to 350 μm and an inner diameter of 14 to 250 μm, the tensile modulus of the composite hollow fiber membrane is from 1,000 to 6,500 MPa, the layer (A) contains a cellulose ester, the thickness of the layer (A) is from 0.01 to 5 μm, and the open pore ratio HA of the layer (A) and the open pore ratio HB of the layer (B) satisfy HA
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