Crosslinked speek cation exchange membrane having improved chemical stability by radiation and method of preparing the same

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United States of America Patent

PATENT NO 9790339
SERIAL NO

14288476

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Abstract

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Provided is a method of preparing a crosslinked sulfonated poly(ether ether ketone) (SPEEK) cation exchange membrane including: preparing a crosslinker mixture of a first crosslinker containing two or more vinyl oxy groups and a second crosslinker containing three or more vinyl groups; preparing a mother liquor containing the crosslinker mixture, a SPEEK polymer substituted with sodium, and a solvent; and casting the mother liquor and then irradiating radiation thereon.

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Patent Owner(s)

  • KOREA ATOMIC ENERGY RESEARCH INSTITUTE

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lee, Sun-Young Incheon, KR 155 1107
Shin, Junhwa Gwangju, KR 2 3
Sohn, Joon Yong Jeongeup, KR 5 88
Song, Ju-Myung Jeollanam-do, KR 1 2
Woo, Hyun-Su Gyeongsangnam-do, KR 1 2

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