Fabrication of Unprecedented Fully Biobased Recyclable Underwater Adhesives with High Bonding Strength and Water Resistance via an Adhesion-Cohesion Balance of Bioinspired Catechol-Disulfide Bond Strategy

IF 7.3 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

ACS Sustainable Chemistry & Engineering Pub Date : 2025-05-21 DOI:10.1021/acssuschemeng.5c03000

Wenxiong Zhang, Mingyu Zhu, Ming Li, Ruijia Hu, Zhiwei Chang, Chenjie Zhu, Hanjie Ying

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Abstract

The fabrication of fully biobased adhesives is greatly significant for the green and sustainable development of the furniture, construction, and flooring industries. However, the poor bonding strength, water sensitivity, and mildew resistance seriously hinder their promotion and application. Herein, inspired by the structure of the catechol and disulfide bonds in mussel protein and hair protein, a fully recyclable underwater biobased adhesive with excellent bonding strength, water resistance, and exceptional antimildew performance is prepared. A balance is built between interfacial adhesive force and internal cohesive force via catechol interfacial adhesion of tannic acid (TA) and the dynamic disulfide thermal-responsive network between poly(lipoic acid) (LA) and soy protein (SP). Consequently, this biobased adhesive exhibits a remarkable improvement of bonding strength by 146.81% to 2.32 MPa compared to unmodified SP. Additionally, effective interfacial interactions and stable biomimetic hydrophobic cross-linking structures significantly enhance the water-resistant wet bonding strength by 306.45% to 1.26 MPa compared to unmodified SP. Moreover, the adhesive also possesses favorable underwater adhesion properties, mildew resistance, and recyclability. This biomimetic structural design provides a novel method for the fabrication of extraordinary-performance fully biobased adhesives.

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利用仿生儿茶酚-二硫键的黏合-内聚平衡策略制备前所未有的具有高黏合强度和耐水性的全生物基可回收水下粘合剂

全生物基胶粘剂的研制对家具、建筑、地板等行业的绿色可持续发展具有重要意义。但粘结强度差、水敏性差、抗霉性差，严重阻碍了其推广应用。本文以贻贝蛋白和毛发蛋白中儿茶酚和二硫键的结构为灵感，制备了一种完全可回收的水下生物基粘合剂，该粘合剂具有优异的粘合强度、耐水性和优异的防霉性能。通过单宁酸（TA）的儿茶酚界面粘附和聚硫辛酸（LA）与大豆蛋白（SP）之间的动态二硫热响应网络，建立了界面附着力和内部内聚力之间的平衡。结果表明，该生物基胶粘剂的粘接强度比未改性的SP提高了146.81%至2.32 MPa，有效的界面相互作用和稳定的仿生疏水交联结构显著提高了防水湿粘接强度，比未改性的SP提高了306.45%至1.26 MPa。此外，该胶粘剂还具有良好的水下粘接性能、抗霉性和可回收性。这种仿生结构设计为制备性能优异的全生物基胶粘剂提供了一种新的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

ACS Sustainable Chemistry & Engineering CHEMISTRY, MULTIDISCIPLINARY-ENGINEERING, CHEMICAL

CiteScore

13.80

自引率

4.80%

发文量

1470

审稿时长

1.7 months

期刊介绍： ACS Sustainable Chemistry & Engineering is a prestigious weekly peer-reviewed scientific journal published by the American Chemical Society. Dedicated to advancing the principles of green chemistry and green engineering, it covers a wide array of research topics including green chemistry, green engineering, biomass, alternative energy, and life cycle assessment. The journal welcomes submissions in various formats, including Letters, Articles, Features, and Perspectives (Reviews), that address the challenges of sustainability in the chemical enterprise and contribute to the advancement of sustainable practices. Join us in shaping the future of sustainable chemistry and engineering.