KR101817300B1 - 가교형 음이온 전도성 고분자 및 이의 용도 - Google Patents
가교형 음이온 전도성 고분자 및 이의 용도 Download PDFInfo
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Abstract
Description
도 2는 본원 발명의 일 구현예에 따른 폴리페닐렌옥사이드의 할로겐화 결과를 나타낸 1H-NMR 결과이다.
도 3는 본원 발명의 일 구현예에 따른 폴리페닐렌옥사이드/폴리스티렌 가교 음이온 교환막의 품위를 나타낸 것이다.
도 4는 본원 발명의 일 구현예에 따른 탄화수소계 메쉬를 기반으로 제조된 함침막의 품위를 나타낸 것이다.
도 5는 본원 발명의 일 구현예에 따른 이온교환막의 역전기투석의 효과를 나타낸 것이다.
| 가교제 | 중량% | 가교제의 몰량(mmol) |
가교제의 중량(g) |
가교제의 부피량(ml) |
젤화 시간(sec) |
| 1,3-diaminopropane | 35 |
7.364 | 0.5458 |
0.6146 | 19 |
| 1,4-diaminobutane | 6.192 | 0.6223 | 21 | ||
| 1,7-diaminoheptane | 4.191 | - |
18 | ||
| 1,8-diaminooctane | 3.783 | 32 | |||
| 2,6-diaminopyridine | 5.001 | - | |||
| 2,6-diaminotoluene | 4.467 | 30 | |||
| 1,3-cyclohexanediamine | 4.780 | 25 | |||
| 4,4'-diaminobenzophenone | 2.571 | 8340 |
| 분류 | 가교제 명 | 중량(%) | 가교제의 중량(g) | 젤화 속도(sec) |
| 방향족 | MDA-220 | 35 |
0.5458 |
911 |
| 변성방향족 | TH-452N | 1660 | ||
| 변성지방족 | KH-816 | 73 | ||
| KH-818B | 37 | |||
| 방향족 | 4,4'-diaminobenzophenone | 834 | ||
| 5520*(승온) |
| BrPPO20/chPS35 (g/g) | ||||
| 실시예 1(0.3/0.7) | 실시예 2(0.5/0.5) | 실시예 3(0.7/0.3) | ||
| BrPPO20/chPS35-3/7 | BrPPO20/chPS35-5/5 | BrPPO20/chPS35-7/3 | ||
| Crosslinker함량 (mol%) | 5 | 5 | 5 | |
| 막저항(Ω·cm2) | 0.676 | 0.563 | 1.233 | |
| IEC(meq/g) | Titration | 1.27 | 1.49 | 1.45 |
| Theory | 2.34 | 2.07 | 1.80 | |
| Cl- conductivity (mS/cm) |
25℃ | 2.39 | 9.17 | 7.75 |
| 40℃ | 3.71 | 12.94 | 10.19 | |
| 60℃ | 5.82 | 16.56 | 15.11 | |
| 70℃ | 7.22 | 20.36 | 18.08 | |
| 80℃ | 8.11 | 22.78 | 21.20 | |
| 샘플명 | PE30 | |
| 통기도 (sec/100cc) | 51.1 | |
| 기공률(%) | 78.4 | |
| 인장강도 (kgf/cm2) |
MD | 690.7 |
| TD | 427.5 | |
| 인장신율 (%) |
MD | 13.3 |
| TD | 74.9 | |
| 돌자강도(gf) | 392.9 | |
| 샘플명 | PE30 | |
| 함침 고분자 | BrPPO20/chPS45 (0.5g/0.5g) | |
| Crosslinker함량 (mol%) | 5 | |
| 막저항(Ω·cm2) | 1.13 | |
| IEC (meq/g) |
Titration | 0.74 |
| Theory | 2.40 | |
| Cl- conductivity (mS/cm) |
25℃ | 5.1 |
| 40℃ | 7.8 | |
| 60℃ | 11.8 | |
| 70℃ | 14.1 | |
| 80℃ | 16.7 | |
| 함침 후 막두께(μm) | 31~38 | |
| 샘플명 | PP | |
| 함침 고분자 | BrPPO20/chPS45 (0.5g/0.5g) | |
| Crosslinker함량 (mol%) | 5 | |
| 막저항(Ω·cm2) | 0.39 | |
| Cl- conductivity (mS/cm) |
25℃ | 1.17 |
| 40℃ | 1.64 | |
| 60℃ | 2.54 | |
| 70℃ | 2.95 | |
| 80℃ | 3.32 | |
| 함침 전 막두께(μm) | 70 | |
| 함침 후 막두께(μm) | 70~77 | |
Claims (10)
- 폴리스티렌계 고분자와 폴리페닐렌옥사이드계 고분자 각각을 할로겐화하는 할로겐화 고분자 제조단계;
할로겐화 폴리스티렌계 고분자와 할로겐화 폴리페닐렌옥사이드계 고분자를 혼합한 후 하기 화학식 1로 표시되는 2개의 방향족 고리 사이에 전자 끌게기를 가져 할로겐 작용기와 지연된 가교반응성을 가지고 음이온 교환성 작용기를 형성하지 않는 1차 또는 2차 아민 가교제를 첨가하여 할로겐화 고분자의 일부 할로겐 작용기 위치에서 할로겐화 고분자 사이에서 가교 반응에 의하여 가교형 고분자를 형성하는 가교형 고분자 제조단계; 및
상기 가교형 고분자의 잔여 할로겐 작용기를 음이온 교환성 작용기로 치환하는 음이온 교환성 작용기 부여단계를 포함하는 가교형 음이온 전도성 고분자의 제조방법:
<화학식 1>
상기 화학식 1에서,
A는 -(C=O)- 이고, R1 내지 R8로 표현되는 치환체는 수소원자이며, D와 D'은 각각 독립적으로 NH2, 또는 -NHR이고 여기서 R은 C1 내지 C12 알킬기이다. - 청구항 1에 있어서,
상기 음이온 교환성 작용기 부여단계는 상기 가교형 고분자의 잔여 할로겐 작용기를 아민기, 암모늄기, 아미노기, 이민기, 술포늄기, 포스포늄기, 피리딜기, 카바졸릴기, 이미다졸릴기를 함유하는 화합물 또는 베타인 및 술포베타인에서 선택되는 양쪽성 이온 교환 작용기를 함유하는 화합물과의 반응을 통하여 음이온 교환 작용기, 또는 이들의 염 상태의 음이온 교환 작용기를 부여하는 것을 특징으로 하는 가교형 음이온 전도성 고분자의 제조방법. - 이온 전도성 고분자가 하기 화학식 A로 표시되는 것을 특징으로 하는 가교형 음이온 전도성 고분자:
<화학식 A>
상기 화학식 A에서,
A는 -(C=O)- 이고, R1 내지 R8로 표현되는 치환체는 수소원자이며, D''와 D'''은 각각 독립적으로 NH-, 또는 -NR-이고 여기서 R은 C1 내지 C12 알킬기이고, x'와 x''는 0.001≤x'/(x'+x'')≤0.9의 범위를 갖고, (x'+x'')/(x'+x''+y)은 0.01이상 1이하이며, r'과 r''는 0.001≤r'/(r'+r'')≤0.9의 범위를 갖고, (r'+r'')/(r'+r''+s)은 0.01이상 1이하이며, z는 0 또는 1이상 20이하의 정수이고, Q는 이온교환작용기로서 아민기, 암모늄기, 아미노기, 이민기, 술포늄기, 포스포늄기, 피리딜기, 카바졸릴기, 이미다졸릴기를 함유하는 화합물 또는 베타인 및 술포베타인에서 선택되는 양쪽성 이온 교환 작용기를 함유하는 화합물과의 반응을 통한 음이온 교환 작용기, 또는 이들의 염 상태의 음이온 교환 작용기이다. - 청구항 5에 기재된 가교형 음이온 전도성 고분자를 포함하는 수지로 성형된 것을 특징으로 하는 막.
- 청구항 5에 기재된 가교형 음이온 전도성 고분자를 지지체에 함침하여 성형되는 것을 특징으로 하는 막.
- 청구항 7에 있어서,
상기 지지체는 폴리테트라플루오로에틸렌(PTFE), 폴리비닐리덴플루오라이드(PVDF)를 포함하는 불소함유 수지 또는 폴리올레핀계 수지로 이루어진 다공막, 부직포 또는 메쉬 중 어느 하나인 것을 특징으로 하는 막. - 청구항 6 내지 청구항 8 중 어느 한 항에 있어서,
상기 막은 역전기투석(reverse electrodialysis: RED), 전기투석(elelctrodialysis: ED) 또는 축전식 탈이온(capacitive deionization: CDI) 장치용 음이온 교환막인 것을 특징으로 하는 막. - 애노드(anode);
캐소드(cathode); 및
담수가 흐르는 유로가 형성되도록 상기 애노드 및 상기 캐소드 사이에 이격되어 배치되는 하나 이상의 단위셀(single cell)을 포함하며,
상기 단위셀은 해수가 흐르는 유로가 형성되도록 이격되어 배치된 양이온 교환막 및 청구항 5에 기재된 음이온 전도성 고분자로 이루어진 음이온 교환막을 포함하는 것을 특징으로 하는 역전기투석 장치.
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|---|---|---|---|---|
| JP2014503634A (ja) * | 2010-12-12 | 2014-02-13 | ベン‐グリオン ユニバーシティ オブ ザ ネゲヴ リサーチ アンド デベロップメント オーソリティ | 陰イオン交換膜、その調製方法および用途 |
| JP2015048381A (ja) | 2013-08-30 | 2015-03-16 | 富士フイルム株式会社 | イオン交換膜の製造方法、イオン交換膜、該イオン交換膜の原膜及びイオン交換膜で得られた飲料水 |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014503634A (ja) * | 2010-12-12 | 2014-02-13 | ベン‐グリオン ユニバーシティ オブ ザ ネゲヴ リサーチ アンド デベロップメント オーソリティ | 陰イオン交換膜、その調製方法および用途 |
| JP2015048381A (ja) | 2013-08-30 | 2015-03-16 | 富士フイルム株式会社 | イオン交換膜の製造方法、イオン交換膜、該イオン交換膜の原膜及びイオン交換膜で得られた飲料水 |
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