微波强化超分子胶粘剂：从柔性压敏粘接到强而多可重复使用的热熔胶粘接

IF 13 2区材料科学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Small Pub Date : 2025-01-21 DOI:10.1002/smll.202412251

Yuquan Li, Siyuan Liu, Jiang-Fei Xu, Xi Zhang

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引用次数: 0

摘要

报道了一种微波增强的超分子胶粘剂，该胶粘剂通过将马来酸酰胺键引入儿茶酚基单体和氧化铁纳米颗粒的交联网络中。在微波照射下，超分子胶粘剂可被迅速加热，使其从马来酸酰胺键转变为马来酰亚胺键，从而提高其内聚强度。该超分子胶粘剂在粘接过程中可以像压敏胶粘剂一样灵活地粘接基材，对陶瓷的粘接强度为0.5 MPa。经微波强化后，能像热熔胶一样牢固地粘接基材，粘接强度显著提高，达到5.0 MPa，是原值的10倍。微波增强超分子胶粘剂可重复使用3次，粘接强度损失可忽略不计，具有优异的多次重复使用性能。该超分子胶粘剂兼具高柔韧性和高粘接强度，在文物修复和微电子领域具有很大的应用潜力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

A Microwave-Strengthened Supramolecular Adhesive: from Flexible Pressure Sensitive Bonding to Strong and Muti-Reusable Hot Melt Bonding

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A Microwave-Strengthened Supramolecular Adhesive: from Flexible Pressure Sensitive Bonding to Strong and Muti-Reusable Hot Melt Bonding

A microwave-strengthened supramolecular adhesive by introducing maleic acid amide bonds into the cross-linked networks of catechol-based monomers and iron oxide nanoparticles is reported. Under microwave irradiation, the supramolecular adhesive can be rapidly heated up, causing the transformation from maleic acid amide bonds to maleimide bonds and thus the increase of its cohesive strength. The supramolecular adhesive can flexibly bond substrates like pressure sensitive adhesives during the bonding procedure and shows an adhesion strength of 0.5 MPa toward ceramic. After microwave strengthening, it can strongly bond substrates like hot melt adhesives and shows a dramatically increased adhesion strength of 5.0 MPa, 10 times stronger than the original value. Moreover, the microwave-strengthened supramolecular adhesive can be reused 3 times with negligible loss in adhesion strength, exhibiting outstanding multiple reusability. By combining both high flexibility and high adhesion strength, it is anticipated that the supramolecular adhesive can be of great potential in cultural relics restoration and microelectronics.

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来源期刊

Small 工程技术-材料科学：综合

CiteScore

17.70

自引率

3.80%

发文量

1830

审稿时长

2.1 months

期刊介绍： Small serves as an exceptional platform for both experimental and theoretical studies in fundamental and applied interdisciplinary research at the nano- and microscale. The journal offers a compelling mix of peer-reviewed Research Articles, Reviews, Perspectives, and Comments. With a remarkable 2022 Journal Impact Factor of 13.3 (Journal Citation Reports from Clarivate Analytics, 2023), Small remains among the top multidisciplinary journals, covering a wide range of topics at the interface of materials science, chemistry, physics, engineering, medicine, and biology. Small's readership includes biochemists, biologists, biomedical scientists, chemists, engineers, information technologists, materials scientists, physicists, and theoreticians alike.