Invention Grant
- Patent Title: Separation membrane and method for producing the same
- Patent Title (中): 分离膜及其制造方法
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Application No.: US13119071Application Date: 2009-09-18
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Publication No.: US09174174B2Publication Date: 2015-11-03
- Inventor: Kenji Komori , Toshiyuki Ishizaki , Kenta Iwai , Xunyao Fu , Shinichi Minegishi , Nao Minaki
- Applicant: Kenji Komori , Toshiyuki Ishizaki , Kenta Iwai , Xunyao Fu , Shinichi Minegishi , Nao Minaki
- Applicant Address: JP Tokyo
- Assignee: Toray Industries, Inc.
- Current Assignee: Toray Industries, Inc.
- Current Assignee Address: JP Tokyo
- Agency: RatnerPrestia
- Priority: JP2008-240733 20080919; JP2009-085775 20090331
- International Application: PCT/JP2009/066331 WO 20090918
- International Announcement: WO2010/032808 WO 20100325
- Main IPC: B01D39/00
- IPC: B01D39/00 ; B01D39/14 ; B29C47/00 ; B01D71/34 ; B01D67/00 ; C02F1/44
Abstract:
A separation membrane including a separation-functional layer is provided, wherein the separation-functional layer contains a polyvinylidene fluoride-type resin having a melt viscosity of 3,300 Pa·s or more, and also the separation-functional layer has a three-dimensional network structure. A separation membrane is provided having high virus removal performance, high pure water permeability, and high physical durability and high chemical strength, which can also be used in the field of water treatment.
Public/Granted literature
- US20110226689A1 SEPARATION MEMBRANE AND METHOD FOR PRODUCING THE SAME Public/Granted day:2011-09-22
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