Soybean meal (SM)-based adhesive can solve the issues of formaldehyde emission and over-reliance of aldehyde-based resins but suffers from poor water resistance, weak adhesion strength, and high brittleness. Herein, a high-performance adhesive inspired by lobster cuticular sclerotization was developed using catechol-rich condensed tannin-functionalized boron nitride nanosheets (CT@BNNSs), amino-containing chitosan (CS), and SM (CT@BNNSs/CS/SM). The oxidative crosslinking between the catechol and amino, initiated by oxygen at high temperatures, formed a strengthened and water-resistant interior network. These strong intermolecular interactions induced by phenol–amine synergy accompanied by the reinforcement of uniformly dispersed BNNSs improved the load transfer and energy dissipation capacity, endowing the adhesive with great cohesion strength. Given these synergistic effects, the biomimetic CT@BNNSs/CS/SM adhesive caused noticeable improvements in water tolerance, mechanical strength, and toughness over the neat SM adhesive, e.g., enhanced wet shear strength (1.46 vs. 0.66 MPa, respectively), boiling water shear strength (0.92 vs. 0.43 MPa, respectively), and debonding work (0.368 vs. 0.113 J, respectively). Thus, this study provided a green and low-cost bionic strategy for the preparation of high-performance biomass adhesives.

豆粕胶粘剂可以解决甲醛释放量和过度依赖醛基树脂的问题，但存在耐水性差、粘合强度弱、脆性高等问题。在此，利用富含儿茶酚的缩合单宁功能化氮化硼纳米片（CT@BNNSs）、含氨基壳聚糖（CS）和SM（CT@BNNSs/CS/SM），开发了一种受龙虾角质层硬化启发的高性能粘合剂。 。邻苯二酚和氨基之间在高温下由氧气引发的氧化交联形成了强化且防水的内部网络。酚胺协同作用引起的强分子间相互作用，加上均匀分散的BNNS的增强，改善了载荷传递和能量耗散能力，赋予粘合剂很大的内聚强度。鉴于这些协同效应，仿生 CT@BNNSs/CS/SM 粘合剂比纯 SM 粘合剂在耐水性、机械强度和韧性方面有显着改善，例如增强的湿剪切强度（分别为 1.46 与 0.66 MPa）、沸腾水剪切强度（分别为 0.92 与 0.43 MPa）和脱粘功（分别为 0.368 与 0.113 J）。因此，本研究为高性能生物质粘合剂的制备提供了一种绿色、低成本的仿生策略。