KR101816188B1 - 폴리에테르에테르케톤 계열의 공중합체, 이를 포함하는 연료전지용 음이온교환막 및 이의 제조방법 - Google Patents
폴리에테르에테르케톤 계열의 공중합체, 이를 포함하는 연료전지용 음이온교환막 및 이의 제조방법 Download PDFInfo
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Abstract
Description
[화학식 2]
상기 화학식에서,
상기 x는 반복단위 내 몰 분율(%)로, 상기 x는 1 내지 99의 정수이다.
도 2는 합성예 2로부터 제조된 이미다졸기를 갖는 제1 단량체의 1H-NMR 스펙트럼이다.
도 3은 실시예 2 내지 5로부터 제조된 [화학식 1]로 표시되는 반복단위를 갖는, 폴리에테르에테르케톤계열의 공중합체의 1H NMR 스펙트럼이다.
도 4는 실시예 1 내지 5로부터 제조된 연료전지용 음이온교환막 각각의 실제 모습을 촬영한 사진이다.
도 5는 실시예 1 내지 5로부터 제조된 연료전지용 음이온교환막 각각의 인장강도와 신율을 측정한 결과 그래프이다.
도 6은 실시예 2 내지 5로부터 제조된 연료전지용 음이온교환막 각각의 IR 스펙트럼이다.
도 7은 실시예 2 내지 5로부터 제조된 연료전지용 음이온교환막 각각의 알칼리 용매에 대한 안정성을 측정하여 나타낸 결과 그래프이다.
도 8은 실시예 2 내지 5로부터 제조된 연료전지용 음이온교환막 각각의 이온전도도(S/cm)을 측정하여 나타낸 결과 그래프이다.
| 구분 | 몰%(mole) | (a)+(b)에 대한 제3 단량체의 몰비(첨가된 제3 단량체의 mole) | (a)+(b)에 대한 촉매의 몰비 (1:2.1) 촉매 |
||
| 제1 단량체(a) | 제2 단량체(b) | (a)+(b) | |||
| 실시예 1 | - | 100(1) | 100 | 1:1(1mole) | K2CO3 (2.1 mole) |
| 실시예 2 | 10(0.10) | 90(0.90) | 100 | 1:1(1mole) | K2CO3 (2.1 mole) |
| 실시예 3 | 20(0.20) | 80(0.80) | 100 | 1:1(1mole) | K2CO3 (2.1 mole) |
| 실시예 4 | 30(0.30) | 70(0.70) | 100 | 1:1(1mole) | K2CO3 (2.1 mole) |
| 실시예 5 | 40(0.40) | 60(0.60) | 100 | 1:1(1mole) | K2CO3 (2.1 mole) |
Claims (10)
- 제1항에 따른 폴리에테르에테르케톤계열의 공중합체를 포함하는 연료전지의 음이온교환막.
- A) 이미다졸기를 갖는 제1 단량체, 비스페놀 A계열의 제2 단량체 및 디플루오로벤조페논의 제3 단량체 및 촉매를 제 1용매에 용해 및 반응시켜 [화학식 2]로 표현되는 반복단위를 갖는 공중합체를 수득하는 단계;
B) 상기 A) 단계를 통해 얻은 공중합체에 제 1용매 및 할로겐화 알칸 화합물을 첨가하여 반응시키는 단계;
C) 상기 B) 단계를 통해 얻은 반응액에 제2 용매를 첨가하여 합성된 폴리에테르에테르케톤계열의 공중합체를 침전시키는 단계;
D) 상기 C) 단계로부터 얻은 침전물을 제3 용매에 용해하고, 이로부터 막을 형성하는 단계;
E) 상기 막을 KOH 용액에 함침하는 단계;를 포함하는 연료전지의 음이온교환막의 제조방법.
[화학식 2]
상기 화학식에서,
상기 x는 반복단위 내 몰 분율(%)로, 상기 x는 1 내지 99의 정수이다. - 제3항에 있어서,
상기 촉매는 수산화나트륨, 수산화칼륨, 수산화리튬, 수산화마그네슘, 탄산나트륨, 탄산칼륨 및 탄산칼슘으로 이루어진 군으로부터 선택된 어느 하나의 것을 특징으로 하는 연료전지의 음이온교환막의 제조방법. - 제3항에 있어서,
상기 제1 용매 및 제2 용매는 메틸벤젠 또는 디메틸아세트아마이드이고,
상기 제2 용매는 에테르와 에탄올의 혼합용매인 것을 특징으로 하는 연료전지의 음이온교환막의 제조방법. - 제3항에 있어서,
상기 제1 단량체와 상기 제2 단량체의 총 몰수를 100 몰% 기준으로 하여, 상기 제1 단량체가 1 내지 40 몰%, 상기 제2 단량체가 60 내지 99 몰%로 포함되는 것을 특징으로 하는 연료전지의 음이온교환막의 제조방법. - 제3항에 있어서,
상기 제1 단량체와 제2 단량체의 총 몰수에 대하여 상기 제3 단량체는 1 내지 1.5 배의 몰로 포함되는 것을 특징으로 하는 연료전지의 음이온교환막의 제조방법.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218501A (zh) * | 2018-08-13 | 2019-09-10 | 宁波高新区诠宝绶新材料科技有限公司 | 一种具有优异热稳定性的聚醚醚酮包线漆新材料的制备方法 |
| CN114920967A (zh) * | 2022-05-18 | 2022-08-19 | 中盐金坛盐化有限责任公司 | 一种柔性多胺官能化阴离子交换膜及其制备方法和应用 |
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| CN102516526A (zh) | 2011-12-01 | 2012-06-27 | 中山大学 | 一种含季铵盐侧基和芴基的聚芳醚化合物及其制备方法和应用 |
| WO2014058849A1 (en) | 2012-10-09 | 2014-04-17 | University Of Delaware | Cation-strung side chain polymers useful in hydroxide/anion exchange membranes |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102516526A (zh) | 2011-12-01 | 2012-06-27 | 中山大学 | 一种含季铵盐侧基和芴基的聚芳醚化合物及其制备方法和应用 |
| WO2014058849A1 (en) | 2012-10-09 | 2014-04-17 | University Of Delaware | Cation-strung side chain polymers useful in hydroxide/anion exchange membranes |
Non-Patent Citations (4)
| Title |
|---|
| 논문1(INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, 2016) |
| 논문2(JOURNAL OFMEMBRANESCIENCE, 2014) |
| 논문3(JOURNAL OF MATERIALS CHEMISTRY, 2012) |
| 논문4(J. APPL. POLYM. SCI. 2013) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218501A (zh) * | 2018-08-13 | 2019-09-10 | 宁波高新区诠宝绶新材料科技有限公司 | 一种具有优异热稳定性的聚醚醚酮包线漆新材料的制备方法 |
| CN110218501B (zh) * | 2018-08-13 | 2021-04-16 | 威海中塑新材料科技有限公司 | 一种具有优异热稳定性的聚醚醚酮包线漆新材料的制备方法 |
| CN114920967A (zh) * | 2022-05-18 | 2022-08-19 | 中盐金坛盐化有限责任公司 | 一种柔性多胺官能化阴离子交换膜及其制备方法和应用 |
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