公开(公告)号：US20190262775A1

公开(公告)日：2019-08-29

申请号：US16346027

申请日：2017-10-24

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yoshiki OKAMOTO ,  Akshay GARG ,  Kentarou TAKAGI ,  Hiroho HIROZAWA ,  Tamotsu KITADE

IPC: B01D63/06 ,  B01D63/10 ,  B32B1/08 ,  C02F1/44

Abstract: According to the present invention, even when a high recovery ratio operation is performed, the influence of concentration of ingredients to be separated in the feed fluid can be reduced, the concentration polarization can be prevented by increasing the turbulence effect on the membrane surface, and the fluid permeation performance and the separation performance of the separation membrane element can be maintained.

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.

公开(公告)号：US20190015788A1

公开(公告)日：2019-01-17

申请号：US16080467

申请日：2017-02-28

Applicant: TORAY INDUSTRIES, INC.

Inventor： Yoshiki OKAMOTO ,  Satoshi KATO ,  Tamotsu KITADE

IPC: B01D63/08 ,  B01D69/06 ,  B01D63/16 ,  B01D65/08 ,  C02F1/44

Abstract: The present invention relates to a flat-sheet separation membrane element having formed therein a separation membrane pair in which separation membranes are disposed such that permeation-side faces thereof face each other and in which a channel material is provided, wherein the area of a high-elasticity region satisfying a bending modulus of 100-1000 MPa and a maximum bending stress of 1-15 MPa at least in one direction is not less than 10% of the area of a filtration region of the pair of separation membranes.

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：US20190160435A1

公开(公告)日：2019-05-30

申请号：US16320893

申请日：2017-07-26

Applicant: TORAY INDUSTRIES, INC.

Inventor： Hiroho HIROZAWA ,  Kentarou TAKAGI ,  Yoshiki OKAMOTO ,  Satoshi KATO ,  Takeshi KONDA ,  Hiroyuki YAMADA ,  Tamotsu KITADE ,  Akshay GARG

IPC: B01D63/12 ,  B01D69/10

Abstract: The present invention relates to a separation membrane element for use in separation of ingredients contained in fluids such as liquid and gas. An object of the present invention is to provide a separation membrane element which, even when used in a high-recovery ratio operation, has high fresh-water production performance and high removal performance and is less apt to suffer scaling.

公开(公告)号：US20180264413A1

公开(公告)日：2018-09-20

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 ,  B01D71/56 ,  B01D69/10 ,  C02F1/44

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：US20160129401A1

公开(公告)日：2016-05-12

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 ,  B01D71/56 ,  B01D69/10

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.

Abstract translation: 为了提供结合强度和透水性的复合半透膜，本发明提供一种复合半透膜，其包括：支撑膜，其包括基底和多孔载体; 以及设置在所述多孔载体上的分离功能层，其中所述基板具有每单位面积的重量A，位于所述基板内的所述多孔载体的一部分具有每单位面积的重量B，并且所述重量A 重量B（A + B）为30〜100g / m 2，重量A与重量B之比B / A为0.10〜0.60。