Industrial Technology Research Institute

Chiu-Hun Su

Li-Duan Tsai

Chiu-Tung Wang

Cheng-Hsiu Tsai

Yueh-Wei Lin

Ming-Chou Chen

Hsuan-Wei Lee

A polymer and a method for preparing the same are provided. The polymer includes a first repeat unit and a second repeat unit. In particular, the first repeat unit is and, the second repeat unit is wherein Ris Ais F, Cl, Br, I, OH, HCO, HSO, SbF, BF, HPO, HPO, or HPO; X is i and j are independently 0, or an integer from 1 to 4; Y is &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CH&#x2014;, or &#x2014;NH&#x2014;; Ris independently Calkyl group; and, Rand Rare hydrogen, or independently Calkyl group.

Polymer and method for preparing the same

A crosslinked copolymer is provided, which includes a copolymer crosslinked by a crosslinking agent. The copolymer is copolymerized of (a) styrene-based monomer, (b) monomer having conjugated double bonds or acrylate ester monomer, and (c) ammonium-containing heterocyclic monomer. The crosslinking agent is (d) or the product of the reaction between and (e) or a combination thereof. Z is wherein each Ris independently H or Calkyl group, each Ris independently H or Calkyl group, Ris single bond, &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CH&#x2014;, or &#x2014;NH&#x2014;. n is a positive integer. x is 1 to 12, y is 1 to 5, and z is 1 to 5.

Crosslinked copolymer and ionic exchange film

An ion exchange membrane is provided. The ion exchange membrane includes a reaction product of a polymer and a cross-linking reagent. The polymer includes a first repeat unit, and a second repeat unit. In particular, the first repeat unit is and, the second repeat unit is wherein Ris Ais F, Cl, Br, I, OH, HCO, HSO, SbF, BF, HPO, HPO, or HPO; X isCHYCH, i and j are independently 0, or an integer from 1 to 4; Y is &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CH&#x2014;, or &#x2014;NH&#x2014;; Ris independently Calkyl group; and, Rand Rare hydrogen, or independently Calkyl group; and, the cross-linking reagent is a compound having at least two imide groups.

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Hsinchu, Taiwan

Chiu-Hun Su