Strong and Ultra-Tough Supramolecular Hydrogel Enabled by Strain-Induced Microphase Separation | |
Wu JY(吴家宇)4,5; Zhang ZX(张智星)3; Wu ZY(吴振源)2; Liu DS(刘德胜)4; Yang XX(杨星星)5; Wang YX(汪祎贤)1; Jia X(贾鑫)5; Xu X(徐昕)5; Jiang P(蒋盼)4; Wang XL(王晓龙)4 | |
刊名 | Advanced Functional Materials |
2022-11-09 | |
卷号 | 33期号:3页码:2210395 |
关键词 | 3D printing, dynamic hydrogels strain-induced microphase separations temperature responses ultra-toughness |
DOI | 10.1002/adfm.202210395 |
英文摘要 | Architected hydrogels are widely used in biomedicine, soft robots, and flexible electronics while still possess big challenges in strong toughness, and shape modeling. Here, inspired with the universal hydrogen bonding interactions in biological systems, a strain-induced microphase separation path toward achieving the printable, tough supramolecular polymer hydrogels by hydrogen bond engineering is developed. Specifically, it subtly designs and fabricates the poly (N-acryloylsemicarbazide-co-acrylic acid) hydrogels with high hydrogen bond energy by phase conversion induced hydrogen bond reconstruction. The resultant hydrogels exhibited the unique strain-induced microphase separation behavior, resulting in the excellent strong toughness with, for example, an ultimate stress of 9.1 ± 0.3 MPa, strain levels of 1020 ± 126%, toughness of 33.7 ± 6.6 MJ m−3, and fracture energy of 171.1 ± 34.3 kJ m−2. More importantly, the hydrogen bond engineered supramolecular hydrogels possess dynamic shape memory character, i.e shape fixing at low temperature while recovery after heating. As the proof of concept, the tailored hydrogel stents are readily manufactured by 3D printing, which showed good biocompatibility, load-bearing and drug elution, being beneficial for the biomedical applications. It is believed that the present 3D printing of the architected dynamic hydrogels with ultrahigh toughness can broaden their applications. |
URL标识 | 查看原文 |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.licp.cn/handle/362003/30183] |
专题 | 兰州化学物理研究所_固体润滑国家重点实验室 |
通讯作者 | Wu JY(吴家宇); Xu X(徐昕); Wang XL(王晓龙) |
作者单位 | 1.School of Chemical Engineering Northwest Minzu University Lanzhou 730000, China 2.School of Energy and Power Engineering Beihang University Beijing 102206, China 3.Sino-German College of Intelligent Manufacturing Shenzhen Technology University Shenzhen 518118, China 4.State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou 730000, China 5.Key Laboratory of Materials-Oriented Chemical Engineering of Xinjiang Uygur Autonomous Region Shihezi University Shihezi 832003, China |
推荐引用方式 GB/T 7714 | Wu JY,Zhang ZX,Wu ZY,et al. Strong and Ultra-Tough Supramolecular Hydrogel Enabled by Strain-Induced Microphase Separation[J]. Advanced Functional Materials,2022,33(3):2210395. |
APA | Wu JY.,Zhang ZX.,Wu ZY.,Liu DS.,Yang XX.,...&Wang XL.(2022).Strong and Ultra-Tough Supramolecular Hydrogel Enabled by Strain-Induced Microphase Separation.Advanced Functional Materials,33(3),2210395. |
MLA | Wu JY,et al."Strong and Ultra-Tough Supramolecular Hydrogel Enabled by Strain-Induced Microphase Separation".Advanced Functional Materials 33.3(2022):2210395. |
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