MXene triggers high toughness, high strength and low hysteresis hydrogels for printed artificial tissue
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| Main Authors: | , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866908411156758528 |
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| author | Zhao, Chendong Li, Yaxing He, Qinglong Qin, Shangpeng Xie, Huiqi Zhang, Chuanfang |
| author_facet | Zhao, Chendong Li, Yaxing He, Qinglong Qin, Shangpeng Xie, Huiqi Zhang, Chuanfang |
| contents | Substituting load-bearing tissues requires hydrogels with rapid processability, excellent mechanical strength and fatigue resistance. Conventional homogeneously polymerized hydrogels with short-chains/excessive branching exhibit low strength/toughness, being inadequate for artificial tissues. Here we introduce the heterogeneous polymerization-accelerated reaction kinetics on the Ti3C2Tx MXene microreactor and sluggish kinetics beyond-to rapidly produce hydrogels within minutes. This allows the hyperbranched domains embedded within a highly entangled matrix, leading to excellent strength (2.4 MPa)/toughness (75.2 kJ m-2) and low hysteresis (2.9%) in hydrogels superior to the rest ones. The rapid liquid-to-solid transition triggered by MXene suggests the great possibility of 3D printed robust hydrogels toward artificial tissue. Importantly, these printed hydrogels-based artificial ligaments have demonstrated impressive load-bearing capacity, wear resistance, and suturability compared to commercial analogs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_14840 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | MXene triggers high toughness, high strength and low hysteresis hydrogels for printed artificial tissue Zhao, Chendong Li, Yaxing He, Qinglong Qin, Shangpeng Xie, Huiqi Zhang, Chuanfang Chemical Physics Materials Science Substituting load-bearing tissues requires hydrogels with rapid processability, excellent mechanical strength and fatigue resistance. Conventional homogeneously polymerized hydrogels with short-chains/excessive branching exhibit low strength/toughness, being inadequate for artificial tissues. Here we introduce the heterogeneous polymerization-accelerated reaction kinetics on the Ti3C2Tx MXene microreactor and sluggish kinetics beyond-to rapidly produce hydrogels within minutes. This allows the hyperbranched domains embedded within a highly entangled matrix, leading to excellent strength (2.4 MPa)/toughness (75.2 kJ m-2) and low hysteresis (2.9%) in hydrogels superior to the rest ones. The rapid liquid-to-solid transition triggered by MXene suggests the great possibility of 3D printed robust hydrogels toward artificial tissue. Importantly, these printed hydrogels-based artificial ligaments have demonstrated impressive load-bearing capacity, wear resistance, and suturability compared to commercial analogs. |
| title | MXene triggers high toughness, high strength and low hysteresis hydrogels for printed artificial tissue |
| topic | Chemical Physics Materials Science |
| url | https://arxiv.org/abs/2506.14840 |