MXene and cellulose nanofibers reinforced hydrogel with high strength and photothermal self-healing performances for marine antifouling

IF 10.7 1区化学 Q1 CHEMISTRY, APPLIED

Carbohydrate Polymers Pub Date : 2024-10-16 DOI:10.1016/j.carbpol.2024.122879

Yangkai Xiong , Zhiqiang Fang , Panpan Tang , Yu Li , Hao Jiang , Jipeng Li , Zheng Li , Guoqing Wang

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引用次数: 0

Abstract

Biological fouling is a considerable threat to the marine industry because attached microcontaminants and microorganisms inflict serious damage on marine installations and aquacultures. Although there has been tremendous effort in researching marine antifouling, it is yet challenging to develop a long-term and consistent antifouling strategy and materials. Here, polyhexamethylene-biguanide (PHMB) and MXene are introduced into the carboxylated cellulose nanofibers (CNF) reinforced polyvinyl alcohol (PVA) hydrogel to obtain a self-healing and ultra-high toughness antifouling hydrogel. The as-prepared double network (DN) hydrogels have extremely high toughness (16,050 kJ/m³), superior anti-protein adhesion (100 %) and anti-algal adhesion (100 %), exceptional antibacterial activity (99.97 %), and remarkable photothermal self-healing capability. Furthermore, the DN hydrogel provide outstanding antifouling performance for at least six months in the actual marine field. This work provides an effective and feasible strategy to prevent marine biofouling and also initiates new approaches to the application of hydrogel.

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具有高强度和光热自修复性能的 MXene 和纤维素纳米纤维增强水凝胶用于海洋防污

生物污垢对海洋产业构成严重威胁，因为附着的微污染物和微生物会对海洋设施和水产养殖造成严重破坏。尽管人们在海洋防污研究方面付出了巨大努力，但要开发出长期稳定的防污策略和材料仍是一项挑战。在这里，聚六亚甲基双胍（PHMB）和 MXene 被引入到羧基纤维素纳米纤维（CNF）增强聚乙烯醇（PVA）水凝胶中，以获得一种自愈合和超高韧性的防污水凝胶。制备的双网络（DN）水凝胶具有极高的韧性（16,050 kJ/m3）、卓越的抗蛋白质粘附性（100%）和抗藻类粘附性（100%）、超强的抗菌活性（99.97%）以及显著的光热自愈合能力。此外，DN 水凝胶还能在实际海洋领域中提供至少 6 个月的出色防污性能。这项研究为防止海洋生物污损提供了一种有效可行的策略，同时也为水凝胶的应用开辟了新的途径。

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来源期刊

Carbohydrate Polymers 化学-高分子科学

CiteScore

22.40

自引率

8.00%

发文量

1286

审稿时长

47 days

期刊介绍： Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.