公开(公告)号：US20190046929A1

公开(公告)日：2019-02-14

申请号：US16073604

申请日：2017-01-27

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroho HIROZAWA ,  Keita WADA ,  Satoko MORIOKA ,  Kentaro TAKAGI ,  Hiroyuki YAMADA ,  Kiyoshi MINOURA ,  Hiroshi NAGAI

IPC: B01D63/10 ,  C02F1/44 ,  B01D61/02 ,  B01D65/08

Abstract: The present invention provides a separation membrane element packed with a rugged sheet object, the separation membrane element being effective in attaining both stabilization of steps for producing the separation membrane element and an increase in fresh-water production rate. 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, in which the permeate-side channel material is a porous sheet object having a recess and a protrusion on at least one face thereof, the recess being a coarsely porous region and the protrusion being a densely porous region.

公开(公告)号：US20180318771A1

公开(公告)日：2018-11-08

申请号：US15748981

申请日：2016-07-29

Applicant: TORAY INDUSTRIES, INC.

Inventor： Masakazu KOIWA ,  Ryoma MIYAMOTO ,  Hiroaki TANAKA ,  Koji NAKATSUJI ,  Kentaro TAKAGI

IPC: B01D69/10 ,  B01D69/12 ,  B01D71/56 ,  B01D69/02 ,  B01D53/22 ,  B01D61/02 ,  B01D61/18

CPC classification number: B01D69/10 ,  B01D53/228 ,  B01D61/025 ,  B01D61/18 ,  B01D69/02 ,  B01D69/12 ,  B01D69/125 ,  B01D71/34 ,  B01D71/56 ,  B01D71/68 ,  B01D2325/36 ,  B32B5/18 ,  B32B27/12

Abstract: An object of the present invention is to provide a separation membrane having high permeability and selective removability of divalent/monovalent ions. The separation membrane of the present invention includes a supporting membrane and a separation functional layer formed on the supporting membrane, in which the separation functional layer contains a polymerized product of a polyfunctional amine with a polyfunctional acid halide, the polyfunctional amine contains a polyfunctional aliphatic amine as a main component, the separation functional layer has a hollow protuberant structure, and the separation functional layer has a relative surface area of 1.1-10.0.

公开(公告)号：US20170001154A1

公开(公告)日：2017-01-05

申请号：US15115325

申请日：2015-01-29

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yoshie MARUTANI ,  Hiroyuki YAMADA ,  Hiroho HIROZAWA ,  Kentaro TAKAGI ,  Yoshiki OKAMOTO ,  Shunsuke TABAYASHI ,  Hiroshi UMETANI ,  Akira KATAYAMA ,  Takao SASAKI ,  Masahiro KIMURA

IPC: B01D69/12 ,  B01D65/00 ,  B01D67/00 ,  B01D63/10 ,  B01D63/08

CPC classification number: B01D69/12 ,  B01D63/082 ,  B01D63/10 ,  B01D63/103 ,  B01D65/003 ,  B01D67/0013 ,  B01D2313/146 ,  B01D2323/08 ,  B01D2325/22 ,  B01D2325/24 ,  B32B27/06 ,  B32B27/32 ,  B32B2307/54 ,  B32B2307/724 ,  B32B2307/726

Abstract: The present invention provides a separation membrane and a separation membrane element capable of exhibiting a good water production performance even at a high temperature and also excellent handleability and quality. The separation membrane of the present invention includes a separation membrane main body having a feed-side face and a permeate-side face; and a permeate-side channel member fixed onto the permeate-side face of the separation membrane main body, and the permeate-side channel member includes polypropylene as a main component and satisfies the following requirements (a) to (c): (a) a softening point temperature is 60° C. or higher; (b) a tensile elongation in a standard state is 10% or more; and (c) a yield point stress under a wet condition at 50° C. is 2 MPa or more.

Abstract translation: 本发明提供即使在高温下也能表现出良好的水生产性能以及优异的可操作性和质量的分离膜和分离膜元件。 本发明的分离膜包括具有进料侧面和渗透侧面的分离膜主体， 以及固定在分离膜主体的透过侧面上的透过侧流路部件，其特征在于，所述透过侧流路部件包括聚丙烯作为主要成分，满足下述（a）〜（c）的要求：（a） 软化点温度为60℃以上; （b）标准状态下的拉伸伸长率为10％以上; 和（c）在50℃的湿条件下的屈服点应力为2MPa以上。

公开(公告)号：US20150298064A1

公开(公告)日：2015-10-22

申请号：US14409565

申请日：2013-07-23

Applicant: TORAY INDUSTRIES, INC.

Inventor： Kentaro TAKAGI ,  Masahiro KIMURA ,  Masakazu KOIWA ,  Hiroyuki YAMADA ,  Hiroho HIROSAWA

IPC: B01D69/10 ,  C02F1/44 ,  B01D69/12

CPC classification number: B01D69/10 ,  B01D63/10 ,  B01D69/12 ,  B01D2313/146 ,  C02F1/44 ,  C02F2103/08

Abstract: A separation membrane (31) is provided with: a separation membrane main body comprising at least a base material (11) and a separation functional layer (13) which are provided with a supply side surface (17) and a permeation side surface (18); material (11) on the side opposite to that of the separation functional layer (13) in the direction of thickness. Two or more layers of the flow path material are included. As a result, a separation membrane and separation membrane element which are effective in providing stable performance when repeated operation is carried out under conditions of high pressure over a long period of time are provided.

Abstract translation: 分离膜（31）具有：分离膜主体，至少包含基材（11）和分离功能层（13），所述分离膜主体设置有供给侧面（17）和透过侧面（18） ）; 材料（11）在与分离功能层（13）的厚度方向相反的一侧。 包括两层或多层流路材料。 结果，提供了在长时间的高压条件下进行重复操作时有效提供稳定性能的分离膜和分离膜元件。

公开(公告)号：US20190126207A1

公开(公告)日：2019-05-02

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：US20160271564A1

公开(公告)日：2016-09-22

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 ,  C08L53/00 ,  C08L23/12 ,  C08L23/16

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.