Title:
NOVEL ION-CONDUCTING MEMBRANE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2015/184568
Kind Code:
A1
Abstract:
The present invention belongs to the technical field of ion membranes, and specifically relates to a novel ion-conducting membrane, consisting of a perfluorinated ion exchange resin base membrane, a porous reinforcing material and a surface layer made by mixing perfluorinated ion exchange resin microparticles and inorganic compound particles. The inorganic compound particles are selected from one or a mixture of any of oxides, hydroxides and nitrides of group IV-A elements, group IV-B elements, group V-B elements, iron, cobalt, nickel, chromium, manganese and boron. The perfluorinated ion exchange resin microparticles are a mixture of one or both of perfluorinated carboxylic acid resin microparticles and perfluorinated sulphonic acid carboxylic acid copolymer resin microparticles and perfluorinated sulphonic acid resin microparticles. The present invention is used in the chlor-alkali industry, and stably and effectively treats alkali metal chloride solutions having a wide range of concentrations. The present invention is suitable for operating in a zero pole distance electrolyser under novel high current density conditions, and product purity is high. Also provided is a preparation method for the novel ion-conducting membrane. The preparation method has a simple and reasonable process, and facilitates industrial production.
Inventors:
WANG JING (CN)
ZHANG YONGMING (CN)
YANG MIAOKUN (CN)
ZHANG HENG (CN)
ZHANG YONGMING (CN)
YANG MIAOKUN (CN)
ZHANG HENG (CN)
Application Number:
PCT/CN2014/000652
Publication Date:
December 10, 2015
Filing Date:
July 07, 2014
Export Citation:
Assignee:
SHANDONG DONGYUE POLYMER MAT (CN)
International Classes:
C25B13/08; C08J5/22; C08L27/12; C25B1/46
Foreign References:
| CN103014757A | 2013-04-03 | |||
| CN102978654A | 2013-03-20 | |||
| CN103540951A | 2014-01-29 | |||
| CN103556179A | 2014-02-05 | |||
| CN103031566A | 2013-04-10 | |||
| US4604323A | 1986-08-05 |
Attorney, Agent or Firm:
QINGDAO FIRST PATENT & TRADEMARK AGENT CO., LTD. (CN)
青岛发思特专利商标代理有限公司 (CN)
青岛发思特专利商标代理有限公司 (CN)
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