| 학회 |
한국고분자학회 |
| 학술대회 |
2017년 가을 (10/11 ~ 10/13, 제주컨벤션센터) |
| 권호 |
42권 2호 |
| 발표분야 |
고분자합성 |
| 제목 |
Synthesis of Polyethylene glycol derivatives with A-B-A triblock structure using t-Bu-P4 catalyst for All-solid-state Li-S battery electrolyte |
| 초록 |
Aliphatic polyether is widely used for many industrial parts because of its unique properties such as low Tg, high flexibility, hydrophilicity of the C-O-C bonds. To synthesize polyethers, conventionally anionic ring opening polymerization is used and also many catalyst systems have been introduced. In present research, by introducing t-Bu-P4 base catalyst system, we polymerized epoxy derivatives with controlled molecular weight and PDI. By using dialcohol as an initiator, we synthesized A-B-A triblock polymer which can be used for lithium polymer batteries’ electrolyte. The B block’s side chains can prevent its crystallization and increase its ionic conductivity at room temperature. The homopolymer of B block shows liquid state at RT, therefore by introducing the A block which plays a role in hard segment we can achieve its solidification. We observed the microphase-separation between the A and B block and the relationship between their morphology and ionic conductivity. |
| 저자 |
김보람1, Yusuke Satoh2, 채창근1, 안민균1, 민청민1, 홍진혁1, Frias Ramirez Carolina1, Toshifumi Satoh2, 이재석1
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| 소속 |
1광주과학기술원, 2Hokkaido Univ. |
| 키워드 |
PEO; Ring opening anionic polymerization; Battery electrolyte
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| E-Mail |
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