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Facile fabrication of self-healing silicone-based poly(urea-thiourea)/tannic acid composite for anti-biofouling

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成果类型:
期刊论文
作者:
Sun, Jiawen;Liu, Chao;Duan, Jizhou;Liu, Jie;Dong, Xucheng;...
通讯作者:
Jizhou Duan
作者机构:
[Liu, Chao; Duan, Jizhou; Wang, Ning; Hou, Baorong; Dong, Xucheng; Sun, Jiawen; Wang, Jing; Zhang, Yimeng] Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China.
[Liu, Jie; Duan, Jizhou; Wang, Ning; Hou, Baorong; Dong, Xucheng; Sun, Jiawen; Wang, Jing; Zhang, Yimeng] Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, Qingdao 266237, Peoples R China.
[Duan, Jizhou; Wang, Ning; Hou, Baorong; Dong, Xucheng; Sun, Jiawen; Wang, Jing] Univ Chinese Acad Sci, Beijing 100039, Peoples R China.
[Duan, Jizhou; Wang, Ning; Hou, Baorong; Dong, Xucheng; Sun, Jiawen; Wang, Jing; Zhang, Yimeng] Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China.
[Liu, Chao] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Peoples R China.
通讯机构:
[Jizhou Duan] K
Key Laboratory of Marine Environmental Corrosion and Bio-fouling, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China<&wdkj&>Open Studio for Marine Corrosion and Protection, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao 266237, China<&wdkj&>University of Chinese Academy of Sciences, Beijing 100039, China<&wdkj&>Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
语种:
英文
关键词:
Poly(dimethylsiloxane);Poly(urea-thiourea);Self-healing;Hydrogen bonding;Marine antifouling;Tannic acid
期刊:
材料科学技术(英文版)
ISSN:
1005-0302
年:
2022
卷:
124
期:
29
页码:
1-13
基金类别:
the Basic Frontier Science Research Program of Chinese Academy of Sciences(No.ZDBS-LY-DQC025) the National Natural Science Foundation of China(No.41706080) Shandong Key Laboratory of Corrosion Science。
机构署名:
本校为其他机构
院系归属:
资源环境学院
摘要:
A novel silicone-based poly(urea-thiourea)/tannic acid composite (PDMS-P(Ua-TUa)-TA) with excellent mechanical, self-healing and antifouling properties is developed. The multiple dynamic hydrogen bonds formed by thiourea groups, urea groups, and tannic acid (TA) molecules ensured a tough elastomer (ultimate strength: 2.47 MPa) with high stretchability (-10 0 0%). TA molecules as partial hydrogen bonding cross-linking sites interacted rapidly with urea and thiourea groups before the migration of polymer chains, resulting in fast and efficient self-healing. Scratches on the film completely disap...

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