Title:
アニオン交換膜のためのポリマーの架橋
Document Type and Number:
Japanese Patent JP7385189
Kind Code:
B2
Abstract:
An ion exchange membrane material is composed of a crosslinked polymer network including a first poly(styrene-b-ethylene-r-butylene-b-styrene) triblock copolymer (SEBS), and second SEBS, and a linker crosslinking the first SEBS and the second SEBS. At least one phenyl group from the first SEBS and the second SEBS is functionalized with an alkyl group, and the carbon at the benzylic position of these alkyl groups is saturated with at least two additional alkyl groups. The linker is a diamine bound to the alkyl functional groups. The ion exchange membrane material is made via a substantially simultaneous quaternization and crosslinking reaction between the diamine linker and SEBS functionalized with alkyl halide groups. Increasing concentration of crosslinker in produces membranes with reduced water uptake, leading to an expectation of enhanced stability under hydrated conditions and greater durability. Advantageously, this reduction in water uptake came with little change to ion exchange capacity.
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Inventors:
Flies, Chulsun
Jeon, John, Job
Han, Jun Young
No, Santaiku
Jeon, John, Job
Han, Jun Young
No, Santaiku
Application Number:
JP2020559544A
Publication Date:
November 22, 2023
Filing Date:
April 24, 2019
Export Citation:
Assignee:
Rensselaer Polytechnic Institute
International Classes:
B01J41/05; C25B13/08; B01J41/14; B01J47/12; C08F8/32; C08F297/04; C08G83/00; C08J5/22
Domestic Patent References:
| JP2017531700A | ||||
| JP2018502180A |
Other References:
HAO,Jinkai et al,Crosslinked high-performance anion exchange membranes based on poly(styrene-b-(ethylene-co-buthylene)-b-stylene),Journal of Membrane Science,2018年01月24日,551,p.66-75,DOI:10.1016/j.memrsci.2018.01.033
Jeon, Y. Jong et al.,Ionic Functionalization of Polystylene-b-poly(ethylene-co-butylene)b-polystylene via Friedel-Crafts Bromoalkylation and Its Application for Anion Exchange Membranes,ECS Transactions,2017年,vol.80(8),p.967-970,DOI:10.1149/08008.0967ecst
Jeon, Y. Jong et al.,Ionic Functionalization of Polystylene-b-poly(ethylene-co-butylene)b-polystylene via Friedel-Crafts Bromoalkylation and Its Application for Anion Exchange Membranes,ECS Transactions,2017年,vol.80(8),p.967-970,DOI:10.1149/08008.0967ecst
Attorney, Agent or Firm:
Patent Attorney Corporation RYUKA International Patent Office