Reusable dismantlable adhesion interfaces induced by photodimerization and thermo/photocleavage reactions

IF 2.3 4区 化学 Q3 POLYMER SCIENCE Polymer Journal Pub Date : 2024-01-12 DOI:10.1038/s41428-023-00877-3
Miho Aizawa, Haruhisa Akiyama, Yoko Matsuzawa, Atsushi Shishido
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Abstract

Controlling adhesion strength during and after the use of bonded materials is crucial. Dismantlable adhesives play important roles in material recycling. However, typical dismantlable adhesives rely on the bulk properties of the adhesive, and specific control of dismantling behavior is challenging. Here, we successfully demonstrated the reusability of a dismantlable adhesion interface system, in which a cleavable molecular layer forms at the adhesion interface through reversible dimerization and cleavage reactions of anthracene. The adhesion peel test was conducted repeatedly by forming a cleavable layer on the substrate surface of the specimens. Strong bonding in the initial state and easy dismantling after stimulation were achieved even in the reused layer. Our strategy for constructing a dismantlable adhesion interface holds promise in material recycling. Overview of the reusable dismantlable adhesion interface system. Heating induces a cleavage reaction of the anthracene photodimer in the molecular layer at the adhesion interface, and the anthracene monomer remains on the substrate surface of the peeled specimen. Photoirradiation to the cleaved molecular layer induces the photodimerization of anthracenes, and the materials exhibit strong adhesion at the adhesion interface.

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光二聚化和热/光裂解反应诱导的可重复使用、可拆卸的粘合界面
在使用粘合材料期间和之后,控制粘合强度至关重要。可拆卸粘合剂在材料回收中发挥着重要作用。然而,典型的可拆卸粘合剂依赖于粘合剂的体积特性,对拆卸行为的具体控制具有挑战性。在这里,我们成功地展示了可拆卸粘合界面系统的可重复使用性,在该系统中,通过蒽的可逆二聚化和裂解反应,在粘合界面上形成了可裂解分子层。通过在试样基底表面形成可裂解层,反复进行粘附剥离试验。即使在重复使用的层中,也实现了初始状态下的牢固粘合和刺激后的轻松拆卸。我们构建可拆卸粘合界面的策略为材料回收利用带来了希望。
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来源期刊
Polymer Journal
Polymer Journal 化学-高分子科学
CiteScore
5.60
自引率
7.10%
发文量
131
审稿时长
2.5 months
期刊介绍: Polymer Journal promotes research from all aspects of polymer science from anywhere in the world and aims to provide an integrated platform for scientific communication that assists the advancement of polymer science and related fields. The journal publishes Original Articles, Notes, Short Communications and Reviews. Subject areas and topics of particular interest within the journal''s scope include, but are not limited to, those listed below: Polymer synthesis and reactions Polymer structures Physical properties of polymers Polymer surface and interfaces Functional polymers Supramolecular polymers Self-assembled materials Biopolymers and bio-related polymer materials Polymer engineering.
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