公开(公告)号：US10906003B2

公开(公告)日：2021-02-02

申请号：US16092975

申请日：2017-04-24

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroho Hirozawa ,  Keita Wada ,  Kiyoshi Minoura ,  Satoko Morioka ,  Kentaro Takagi ,  Hiroyuki Yamada

IPC: B01D63/10 ,  C02F1/44

Abstract: The present invention relates to a separation membrane element including: a separation membrane; and a permeate-side channel material disposed on a permeate side of the separation membrane, wherein the permeate-side channel material is a rugged sheet object having a recess and a protrusion on at least one face thereof, the rugged sheet object is composed of a porous region formed of a through-hole in a thickness direction of the rugged sheet and a non-porous region other than the porous region, and a rate of a number of the through-hole in the recess of the rugged sheet object to a total number of the through-hole present in the rugged sheet object is 80% or more.

公开(公告)号：US10974206B2

公开(公告)日：2021-04-13

申请号：US14894917

申请日：2014-05-29

Applicant: TORAY INDUSTRIES, INC.

Inventor： Shuji Furuno ,  Yoshiki Okamoto ,  Hiroho Hirozawa ,  Masahiro Kimura ,  Takao Sasaki

IPC: B01D69/12 ,  B01D69/10 ,  B01D71/56 ,  B32B5/18 ,  B01D61/02

Abstract: In order to provide a composite semipermeable membrane which combines strength and water permeability, the present invention provides a composite semipermeable membrane including: a supporting membrane including a substrate and a porous support; and a separation functional layer disposed on the porous support, in which the substrate has a weight A per unit area, a portion of the porous support which is located within the substrate has a weight B per unit area, and a sum of the weight A and the weight B, (A+B), is 30 to 100 g/m2, and a ratio between the weight A and the weight B, B/A, is 0.10 to 0.60.

公开(公告)号：US10610832B2

公开(公告)日：2020-04-07

申请号：US15763299

申请日：2016-09-27

Applicant: TORAY INDUSTRIES, INC.

Inventor： Shuji Furuno ,  Hiroho Hirozawa ,  Takao Sasaki ,  Yoshiki Okamoto ,  Hiroyuki Yamada

IPC: B01D69/12 ,  B01D69/10 ,  B01D71/56 ,  C02F1/44 ,  C02F103/08

Abstract: The purpose of the present invention is to provide a composite semipermeable membrane having achieved both strength and water-permeable properties. This composite semipermeable membrane is provided with a substrate, a porous support body disposed on the substrate, and a separation function layer provided on the porous support body. The substrate has a structure provided with a crimped portion and a non-crimped portion. The porous support body is impregnated inside a crimped portion and inside a non-crimped portion of the substrate.

公开(公告)号：US09802160B2

公开(公告)日：2017-10-31

申请号：US15033488

申请日：2014-10-30

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroyuki Yamada ,  Hiroho Hirozawa ,  Kentaro Takagi ,  Yoshiki Okamoto ,  Yoshie Marutani ,  Shunsuke Tabayashi ,  Takao Sasaki ,  Masahiro Kimura ,  Yuji Tanaka

IPC: B01D63/10 ,  B01D69/12 ,  C08L23/12 ,  C08L23/16 ,  C08L53/00 ,  C08L23/10

CPC classification number: B01D63/10 ,  B01D69/12 ,  B01D2313/146 ,  B01D2325/00 ,  B01D2325/08 ,  C08L23/10 ,  C08L23/12 ,  C08L23/16 ,  C08L53/00 ,  C08L2205/025 ,  C08L2205/03 ,  C08L2205/035

Abstract: The present invention provides a separation membrane and a separation membrane element which are capable of exhibiting good water production performance and excellent in handleability and process passage. A separation membrane of the present invention is a separation membrane including: a separation membrane main body having a feed-side face and a permeate-side face; and a permeate-side channel member adhered to the permeate-side face of the separation membrane main body, in which the permeate-side channel member includes a composition containing at least a high-crystalline polypropylene (A) and satisfies the following requirements (a) and (b): (a) a content of the high-crystalline polypropylene (A) in the composition is from 40 to 95% by weight; and (b) the permeate-side channel member has a melting endothermic energy amount (ΔH) of from 20 to 70 J/g.

公开(公告)号：US20140251896A1

公开(公告)日：2014-09-11

申请号：US14348299

申请日：2012-09-28

Applicant: Toray Industries, Inc.

Inventor： Hiroho Hirozawa ,  Masakazu Koiwa ,  Kentaro Takagi ,  Yoshiki Okamoto ,  Hiroyuki Yamada ,  Tsuyoshi Hamada ,  Katsufumi Oto ,  Masahiro Kimura

IPC: B01D69/10 ,  B01D67/00 ,  B01D63/06

CPC classification number: B01D67/00 ,  B01D63/06 ,  B01D67/0006 ,  B01D67/0088 ,  B01D69/02 ,  B01D69/10 ,  B01D69/125 ,  B01D71/56 ,  B01D2323/40 ,  B01D2325/08 ,  B01D2325/24

Abstract: A separation membrane, including: a separation membrane main body having at least a base material and a separating functional layer; and a flow path material independently fixed in the thickness direction of the base material, and having a compression elasticity of 0.1-5.0 GPa.

Abstract translation: 一种分离膜，包括：至少具有基材和分离功能层的分离膜主体; 以及独立地固定在基材的厚度方向上并且具有0.1-5.0GPa的压缩弹性的流路材料。

公开(公告)号：US20230043774A1

公开(公告)日：2023-02-09

申请号：US17786155

申请日：2020-12-22

Applicant: Toray Industries, Inc.

Inventor： Takahiro Tokuyama ,  Rina Iizuka ,  Yoko Hasegawa ,  Hiroho Hirozawa ,  Hiroyuki Yamada

IPC: B01D53/22 ,  B01D63/10 ,  B01D65/10 ,  B01D69/02 ,  B01D69/10 ,  B01D69/12 ,  B01D71/56

Abstract: The present invention aims to improve the separation selectivity for light gases such as hydrogen and helium. The gas separation membrane according to the present invention includes a porous support layer and a separation functional layer containing a cross-linked polyamide and laid on the porous support layer, wherein: the separation functional layer has a protuberance structure containing a plurality of protrusions and recesses; randomly selected 20 of the protrusions on the surface of the separation functional layer indented under a load of 3 nN and observed in pure water at 25° C. by atomic force microscopy give an average deformation of 5.0 nm or more and 10.0 nm or less; and they give a standard deviation of the deformation of 5.0 nm or less.

公开(公告)号：US10183254B2

公开(公告)日：2019-01-22

申请号：US15538886

申请日：2015-12-21

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroho Hirozawa ,  Hiroshi Ogawa ,  Kenji Hayashida ,  Masanori Endo ,  Masashi Ito

IPC: B01D63/10 ,  B01D63/00

Abstract: A separation membrane element of the present invention includes: a separation membranes each having a feed-side face and a permeate-side face and forming a separation membrane pair by being arranged so that the permeate-side faces face each other; and a permeate-side channel material provided between the permeate-side faces of the separation membranes, the permeate-side channel material includes a sheet and a plurality of projections formed on the sheet, the sheet is a porous sheet having pores on a surface thereof, and has densely fused parts, coarsely fused parts and non-fused parts on the surface, and the projections contain a resin, and a part of the resin is impregnated into the pores of the sheet.

公开(公告)号：US09724646B2

公开(公告)日：2017-08-08

申请号：US14410804

申请日：2013-06-28

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yoshiki Okamoto ,  Masakazu Koiwa ,  Hiroyuki Yamada ,  Kentaro Takagi ,  Hiroho Hirozawa ,  Tsuyoshi Hamada ,  Masahiro Kimura

IPC: B01D63/10 ,  C02F1/44 ,  C02F103/08

CPC classification number: B01D63/10 ,  B01D2313/146 ,  C02F1/44 ,  C02F2103/08

Abstract: A separation membrane element includes a water collecting pipe, a separation membrane main body having a feed-side face and a permeate-side face, a feed-side channel material and permeate-side channel materials. The separation membrane main body, the feed-side channel material and the permeate-side channel materials are spirally wound around the water collecting tube. A plurality of the permeate-side channel materials are discontinuously provided on the permeate-side face of the separation membrane main body, along a first direction that is a longitudinal direction of the water collecting pipe. The feed-side channel material has a thickness of from 0.15 to 0.5 mm.

公开(公告)号：US20160303514A1

公开(公告)日：2016-10-20

申请号：US15032755

申请日：2014-10-31

Applicant: TORAY INDUSTRIES, INC.

Inventor： Shunsuke Tabayashi ,  Hiroho Hirozawa ,  Kentaro Takagi ,  Yoshie Marutani ,  Yoshiki Okamoto ,  Hiroyuki Yamada ,  Shuji Furuno ,  Takao Sasaki ,  Masahiro Kimura

IPC: B01D63/10 ,  C02F1/44

CPC classification number: B01D63/103 ,  B01D2313/146 ,  C02F1/44 ,  C02F2103/08

Abstract: A separation membrane element of the present invention includes: a water collection tube; and a plurality of separation membrane leaves stacked on each other and wound around the water collection tube, each of the separation membrane leaves includes one or more separation membranes each having a feed-side face and a permeate-side face and is configured so that the feed-side faces face each other, and a sheet having a plurality of projections fixed thereto is provided between the permeate-side faces of the separation membrane leaves stacked on each other. Regarding a height of the projections, a ratio of the maximum height to the minimum height is from 1.10 to 1.50, and a variation coefficient of the height is from 0.02 to 0.15, and an impregnation ratio of the projections into the sheet is from 10% to 100%.

Abstract translation: 本发明的分离膜元件包括：水收集管; 并且多个分离膜叶片彼此堆叠并缠绕在集水管上，每个分离膜叶片包括一个或多个分离膜，每个分离膜具有进料侧面和渗透侧面，并且构造成使得 进料侧面彼此面对，并且在彼此堆叠的分离膜叶片的渗透侧面之间设置有固定有多个突起的片材。 关于突起的高度，最大高度与最小高度的比值为1.10〜1.50，高度的变异系数为0.02〜0.15，突起的片材的浸渍率为10％ 至100％。

公开(公告)号：US20140231332A1

公开(公告)日：2014-08-21

申请号：US14347088

申请日：2012-09-28

Applicant: Toray Industries, Inc.

Inventor： Hiroho Hirozawa ,  Masakazu Koiwa ,  Kentaro Takagi ,  Yoshiki Okamoto ,  Hiroyuki Yamada ,  Tsuyoshi Hamada ,  Katsufumi Oto ,  Masahiro Kimura

IPC: B01D63/10 ,  B01D69/10

CPC classification number: B01D63/10 ,  B01D63/103 ,  B01D69/10 ,  B01D2313/04 ,  B01D2313/14

Abstract: A separation membrane includes a separation membrane sheet at least including a substrate and a separation functional layer, and a flow path member having a composition different from the separation membrane sheet and directly secured to the substrate by an adhesive force of at least 1 N/m on side opposite in thickness direction to the separation functional layer.

Abstract translation: 分离膜包括至少包括基材和分离功能层的分离膜片和具有不同于分离膜片的组成的流路部件，并且通过至少1N / m 2的粘合力直接固定到基底 在与分离功能层的厚度方向相反的一侧。