基于异质结纳米晶与多层级动态键的高强高韧、全天候自修复聚氨酯

郭晨阳; 陈浩然; 李冉; 焦凯歌; 赵锦程; 刘艳花; 张建斌; 冯利邦

doi:10.11777/j.issn1000-3304.2026.26008

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基于异质结纳米晶与多层级动态键的高强高韧、全天候自修复聚氨酯

研究论文 | 更新时间：2026-03-24

- 基于异质结纳米晶与多层级动态键的高强高韧、全天候自修复聚氨酯
- "All-weather" Self-healing Polyurethane with High Strength and Toughness Based on Heterojunction Nanocrystals and Multi-level Dynamic Bonds
- 高分子学报 2026年页码：1-13
- 作者机构：
  
  兰州交通大学材料科学与工程学院兰州 730070
- 作者简介：
  
  E-mail: fenglb@lzjtu.edu.cn
- 基金信息：
  
  国家自然科学基金(基金号 ┣52563015);52303056┫;甘肃省自然科学基金重点项目(25JRRA147)
- DOI：10.11777/j.issn1000-3304.2026.26008
  中图分类号：
- CSTR：32057.14.GFZXB.2026.7561
- 收稿：2026-01-07，
  
  录用：2026-02-09，
  
  网络首发：2026-03-24，
- 稿件说明：
移动端阅览
郭晨阳, 陈浩然, 李冉, 焦凯歌, 赵锦程, 刘艳花, 张建斌, 冯利邦. 基于异质结纳米晶与多层级动态键的高强高韧、全天候自修复聚氨酯. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26008.

Guo, C. Y.; Chen, H. R.; Li, R.; Jiao, K. G.; Zhao, J. C.; Liu, Y. H.; Zhang, J. B.; Feng, L. B. "All-weather" self-healing polyurethane with high strength and toughness based on heterojunction nanocrystals and multi-level dynamic bonds. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26008.
郭晨阳, 陈浩然, 李冉, 焦凯歌, 赵锦程, 刘艳花, 张建斌, 冯利邦. 基于异质结纳米晶与多层级动态键的高强高韧、全天候自修复聚氨酯. 高分子学报, doi: 10.11777/j.issn1000-3304.2026.26008. DOI： CSTR： 32057.14.GFZXB.2026.7561.

Guo, C. Y.; Chen, H. R.; Li, R.; Jiao, K. G.; Zhao, J. C.; Liu, Y. H.; Zhang, J. B.; Feng, L. B. "All-weather" self-healing polyurethane with high strength and toughness based on heterojunction nanocrystals and multi-level dynamic bonds. Acta Polymerica Sinica (in Chinese), doi: 10.11777/j.issn1000-3304.2026.26008. DOI： CSTR： 32057.14.GFZXB.2026.7561.

摘要

针对自修复材料在实际应用中面临的环境适应性有限与强度和韧性难以兼顾的问题，设计合成了一种基于异质结纳米晶与多层级动态键协同作用的高强高韧自修复聚氨酯. 通过将TiO

/CuS异质结纳米晶引入基于肟氨酯键的聚氨酯中，成功构建了一种具有多重响应自修复能力的弹性体材料. 得益于“多重动态网络”与“异质结的宽光谱响应”的耦合，该材料不仅表现出优异的力学性能，还可在热、紫外光、近红外光及模拟太阳光激发下实现损伤高效自修复. 同时，户外实际环境实验表明，材料表面的损伤在自然阳光下40 min内即可实现自修复(修复效率高达96.1%)，在同一部位经过3次损伤与光照循环后，修复效率仍高达92.2%以上. 因此，本工作开发的材料可灵活应对晴天、阴天、雨雪等不同天气和环境，具有“全天候”环境适应性，为开发适合实际应用的高性能自修复材料提供了可行的理论依据和实践路径.

Abstract

Based on heterojunction nanocrystals and multilevel dynamic bonds

a self-healing polyurethane with both high strength and toughness was designed and synthesized to address the limited environmental adaptability and difficulty in balancing strength and toughness of conventional self-healing materials in practical applications. A multi-responsive self-healing elastomer was successfully developed by introducing TiO

/CuS heterojunction nanocrystals into an oxime-urethane bond-based polyurethane matrix. Benefiting from the coupling effect between multiple dynamic networks and heterojunction-induced broad-spectrum response

the resulting material exhibited outstanding mechanical properties

including a tensile strength of 28.43 MPa

an elongation at break of 1755%

and a toughness of 261.7 MJ/m

. Moreover

damage can be healed efficiently with diverse external stimuli

such as thermal treatment

ultraviolet light

near-infrared light

and simulated sunlight. Field experiments in real outdoor environments showed that surface damage could be effectively repaired within 40 min under sunlight irradiation

achieving a healing efficiency of up to 96.1%. Notably

the material maintained a high healing efficiency of 92.2% even after three consecutive damage-healing cycles at the same site. Therefore

the materials developed in this study have all-weather environmental adaptability and can flexibly adapt to various weather conditions

including sunny

cloudy

rainy

and snowy environments. This study provides a feasible theoretical basis and practical pathway for the development of high-performance s

elf-healing materials suitable for real-world applications.

关键词

Keywords

references

Zhong J. H. ; Tian X. X. ; Shi B. R. ; Zhang Z. Y. ; Liu X. D. ; Yang Y. M. Bio-inspired self-healing polyurethane system: mimicking connective tissue with hydrogen-bonding mechanism . Chem. Eng. J. , 2024 , 498 , 155416 . doi: 10.1016/j.cej.2024.155416 http://dx.doi.org/10.1016/j.cej.2024.155416

Park M. ; Yang W. ; Kim J. W. ; Choi Y. ; Kim S. ; Lee Y. ; Kim D. S. ; Kim J. ; Lim D. K. ; Ha J. S. A fully self-healing patch of integrated bio-signal monitoring sensors with self-healing microporous foam and Au nanosheet electrodes . Adv. Funct. Mater. , 2024 , 34 , 2402508 . doi: 10.1002/adfm.202402508 http://dx.doi.org/10.1002/adfm.202402508

刘昊成 , 叶姣凤 , 朱丹斌 , 刘艳花 , 冯利邦 . 硫化铜改性含双动态共价键热可逆聚氨酯的五重响应自修复行为 . 材料工程 , 2025 , 53 ( 12 ), 182 - 192 . doi: 10.11868/j.issn.1001-4381.2023.000870 http://dx.doi.org/10.11868/j.issn.1001-4381.2023.000870

Zhu D. B. ; Guo C. Y. ; Liu H. C. ; Ye J. F. ; Chen H. R. ; Zhang J. B. ; Liu Y. H. ; Feng L. B. Thermo-reversible DA bonds-based polyurethanes with both excellent comprehensive mechanical property and remarkable room temperature self-healing capability . Colloids Surf. A Physicochem. Eng. Aspects , 2025 , 711 , 136398 . doi: 10.1016/j.colsurfa.2025.136398 http://dx.doi.org/10.1016/j.colsurfa.2025.136398

Gong X. ; Liu Q. T. ; Huang W. W. ; Wang J. Z. ; Cao Z. L. ; Wu S. P. Green synthesis of polyurethane with reversible oxime-urethane bond to enhance the self-healing properties of asphalt binder at room temperature . Constr. Build. Mater. , 2024 , 412 , 134766 . doi: 10.1016/j.conbuildmat.2023.134766 http://dx.doi.org/10.1016/j.conbuildmat.2023.134766

Kim S. M. ; Jeon H. ; Shin S. H. ; Park S. A. ; Jegal J. ; Hwang S. Y. ; Oh D. X. ; Park J. Superior toughness and fast self-healing at room temperature engineered by transparent elastomers . Adv. Mater. , 2018 , 30 , 1705145 . doi: 10.1002/adma.201870001 http://dx.doi.org/10.1002/adma.201870001

Ye J. F. ; Liu H. C. ; Zhu D. B. ; Guo C. Y. ; Liu Y. H. ; Feng L. B. Multiple responsive self-healing behavior of amino-functionalized CuS-modified thermo-reversible polyurethane containing double dynamic covalent bonds . Eur. Polym. J. , 2025 , 228 , 113792 . doi: 10.1016/j.eurpolymj.2025.113792 http://dx.doi.org/10.1016/j.eurpolymj.2025.113792

李烨 , 孙海峰 , 朱连连 , 纪晨旭 , 尚凤丽 , 侯昭升 . 基于动态亚胺键的聚氨酯制备及自愈合性能 . 高分子材料科学与工程 , 2025 , 41 ( 9 ), 17 - 23 .

Mou X. Y. ; Yang Z. P. ; Lai X. J. ; Ding J. P. ; Chen Y. J. ; Li H. Q. ; Zeng X. R. Self-healing and reprocessable biobased non-isocyanate polyurethane elastomer with dual dynamic covalent adaptive network for flexible strain sensor . Chem. Eng. J. , 2024 , 493 , 152876 . doi: 10.1016/j.cej.2024.152876 http://dx.doi.org/10.1016/j.cej.2024.152876

郑恩浩 , 张荣荣 , 杨化功 , 王作鹏 , 高雅 , 宋福阳 , 杨冲 , 侯昭升 . 基于动态亚胺键的自愈合聚氨酯: 亚胺键解离能对最佳自愈合温度的影响 . 高分子学报 , 2026 , 57 ( 2 ), 409 - 421 .

Li W. ; Li X. F. ; Chang W. ; Wu J. ; Liu P. F. ; Wang J. J. ; Yao X. ; Yu Z. Z. Vertically aligned reduced graphene oxide/Ti 3 C 2 Tx MXene hybrid hydrogel for highly efficient solar steam generation . Nano Res. , 2020 , 13 , 3048 - 3056 . doi: 10.1007/s12274-020-2970-y http://dx.doi.org/10.1007/s12274-020-2970-y

Khan N. A. ; Ahmad I. ; Rashid N. ; Hussain S. ; Zairov R. ; Alsaiari M. ; Alkorbi A. S. ; Ullah Z. ; UrRehman H. ; Nazar M. F. Effective CuO/CuS heterostructures catalyst for OER performances . Int. J. Hydrog. Energy , 2023 , 48 , 31142 - 31151 . doi: 10.1016/j.ijhydene.2023.04.308 http://dx.doi.org/10.1016/j.ijhydene.2023.04.308

Yao Y. ; Liu B. ; Xu Z. Y. ; Yang J. H. ; Liu W. G. An unparalleled H-bonding and ion-bonding crosslinked waterborne polyurethane with super toughness and unprecedented fracture energy . Mater. Horiz. , 2021 , 8 , 2742 - 2749 . doi: 10.1039/d1mh01217g http://dx.doi.org/10.1039/d1mh01217g

Liu Y. ; Guo R. N. ; Shen G. H. ; Li Y. H. ; Li Y. Q. ; Gou J. F. ; Cheng X. W. Construction of CuO@CuS/PVDF composite membrane and its superiority for degradation of antibiotics by activation of persulfate . Chem. Eng. J. , 2021 , 405 , 126990 . doi: 10.1016/j.cej.2020.126990 http://dx.doi.org/10.1016/j.cej.2020.126990

Hamad H. ; Elsenety M. M. ; Sadik W. ; El-Demerdash A. G. ; Nashed A. ; Mostafa A. ; Elyamny S. The superior photocatalytic performance and DFT insights of S-scheme CuO@TiO 2 heterojunction composites for simultaneous degradation of organics . Sci. Rep. , 2022 , 12 , 2217 . doi: 10.1038/s41598-022-05981-7 http://dx.doi.org/10.1038/s41598-022-05981-7

Wang M. H. ; Zhou J. H. ; Jiang X. L. ; Sheng Y. M. ; Xu M. ; Lu X. Preparation of mechanically robust and autonomous self-healable elastomer based on multiple dynamic interactions . Eur. Polym. J. , 2021 , 146 , 110257 . doi: 10.1016/j.eurpolymj.2020.110257 http://dx.doi.org/10.1016/j.eurpolymj.2020.110257

Zhang L. Z. ; Liu Z. H. ; Wu X. L. ; Guan Q. B. ; Chen S. ; Sun L. J. ; Guo Y. F. ; Wang S. L. ; Song J. C. ; Jeffries E. M. ; He C. L. ; Qing F. L. ; Bao X. G. ; You Z. W. A highly efficient self-healing elastomer with unprecedented mechanical properties . Adv. Mater. , 2019 , 31 , 1901402 . doi: 10.1002/adma.201901402 http://dx.doi.org/10.1002/adma.201901402

Liu Z. H. ; Zhang L. Z. ; Guan Q. B. ; Guo Y. F. ; Lou J. M. ; Lei D. ; Wang S. L. ; Chen S. ; Sun L. J. ; Xuan H. X. ; Jeffries E. M. ; He C. L. ; Qing F. L. ; You Z. W. Biomimetic materials with multiple protective functionalities . Adv. Funct. Mater. , 2019 , 29 , 1901058 . doi: 10.1002/adfm.201901058 http://dx.doi.org/10.1002/adfm.201901058

Weise N. K. ; Camarella G. ; Fabrizio D. F. ; Murphy C. J. ; Rasley B. T. ; Giles S. L. ; Lundin J. G. Influence of soft segment length and crosslink density on the properties of thermoreversible Diels-Alder polyurethanes . J. Appl. Polym. Sci. , 2025 , 142 , e57686 . doi: 10.1002/app.57686 http://dx.doi.org/10.1002/app.57686

An H. ; Kang L. ; Ahn H. J. ; Choa Y. H. ; Lee C. G. Synthesis and characterization of TiO 2 /CuS nanocomposite fibers as a visible light-driven photocat alyst . J. Korean Ceram. Soc , 2018 , 55 , 267 - 274 . doi: 10.4191/kcers.2018.55.3.05 http://dx.doi.org/10.4191/kcers.2018.55.3.05

Xu P. W. ; Ding N. ; Wang H. ; Guan J. Y. ; Shen Y. R. ; Niu D. Y. ; Yang W. J. ; Ma P. M. Synergistic cross-linking strategy with oxime-carbamate and hydrogen bonding arrays for excellent damage self-healing and reprocess ability of thermoset polyurethanes . Chem. Eng. J. , 2025 , 508 , 160951 . doi: 10.1016/j.cej.2025.160951 http://dx.doi.org/10.1016/j.cej.2025.160951

Zhou R. ; Jin Y. ; Zeng W. H. ; Jin H. Y. ; Shi L. J. ; Bai L. ; Shang X. Versatile quasi-solid ionic conductive elastomer inspired by desertification control strategy for soft iontronics . Adv. Funct. Mater. , 2023 , 33 , 2301921 . doi: 10.1002/adfm.202301921 http://dx.doi.org/10.1002/adfm.202301921

Zhang W. ; Ren M. Q. ; Chen M. ; Wu L. L. Tough and self-healing waterborne polyurethane elastomers via hydrogen bonds and oxime-carbamate design for wearable flexible strain sensors . RSC Adv. , 2025 , 15 , 6231 - 6240 . doi: 10.1039/d4ra09084e http://dx.doi.org/10.1039/d4ra09084e

Li Y. H. ; Guo W. J. ; Li W. J. ; Liu X. ; Zhu H. ; Zhang J. P. ; Liu X. J. ; Wei L. H. ; Sun A. L. Tuning hard phase towards synergistic improvement of toughness and self-healing ability of poly(urethane urea) by dual chain extenders and coordinative bonds . Chem. Eng. J. , 2020 , 393 , 124583 . doi: 10.1016/j.cej.2020.124583 http://dx.doi.org/10.1016/j.cej.2020.124583

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