全纤维素胶体粘合剂

IF 7.5 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

Communications Materials Pub Date : 2024-09-08 DOI:10.1038/s43246-024-00630-0

Xin Zhao, Zeyu Zhang, Tian Ju, Yuyan Jiang, Ming Wei, Jian Li, Yanjun Xie, Shaoliang Xiao

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引用次数: 0

摘要

目前，广泛应用于各行各业的粘合剂主要由有机化学原料合成，而以可再生生物质资源替代传统化学原料合成粘合剂的研究迫在眉睫。具有胶体特性的粘合剂因其独特的自组装能力和强大的加固作用而备受青睐。在此，我们以纤维素为唯一原料，采用简单、廉价的策略，制备了一种耐沸水的高性能全纤维素胶体粘合剂。这种粘合剂的干剪切强度达到 1.97 兆帕，在沸腾-干燥-沸腾循环后的粘合强度为 0.81 兆帕。分子动力学模拟验证了这种粘合剂的固化机理。这些全纤维素胶体粘合剂显示出在不久的将来取代传统粘合剂的巨大潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

All-cellulose colloidal adhesive

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All-cellulose colloidal adhesive

At present, adhesives widely used in various industries are mainly synthesized from organic chemical raw materials, and research on replacing traditional chemical raw materials with renewable biomass resources to synthesize adhesives is urgently needed. Adhesives possessing colloidal properties are highly favored due to their distinctive self-assembly capability, and robust reinforcement effects. Here, using cellulose as the sole raw material and following a simple and inexpensive strategy, we prepare a high-performance all-cellulose colloidal adhesive that is resistant to boiling water. We achieve a dry-shear strength of 1.97 MPa with this adhesive and a bonding strength of 0.81 MPa after a cycle of boiling-drying-boiling. The curing mechanism of the adhesive are verified using molecular dynamics simulations. These all-cellulose colloidal adhesives demonstrate great potential to replace traditional adhesives in the near future. Adhesives are commonly made from chemically synthesized raw materials. Here, a colloidal adhesive made entirely from cellulose shows strong mechanical properties and resistance to boiling water.

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来源期刊

Communications Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

12.10

自引率

1.30%

发文量

审稿时长

17 weeks

期刊介绍： Communications Materials, a selective open access journal within Nature Portfolio, is dedicated to publishing top-tier research, reviews, and commentary across all facets of materials science. The journal showcases significant advancements in specialized research areas, encompassing both fundamental and applied studies. Serving as an open access option for materials sciences, Communications Materials applies less stringent criteria for impact and significance compared to Nature-branded journals, including Nature Communications.