Real-time monitoring of supramolecular adhesion at extreme temperatures
文献类型: 外文期刊
第一作者: Cai, Changyong
作者: Cai, Changyong;Gong, Huimin;Wu, Shuanggen;Liu, Song;Dong, Shengyi;Li, Fenfang;Tan, Zhijian
作者机构:
关键词: Supramolecular polymers; Supramolecular adhesives; High/low temperature resistances; Real-time monitoring; Hydrogen bonding formation
期刊名称:CHEMICAL ENGINEERING JOURNAL ( 影响因子:16.744; 五年影响因子:14.61 )
ISSN: 1385-8947
年卷期: 2023 年 451 卷
页码:
收录情况: SCI
摘要: A supramolecular approach was applied to the construction of adhesive materials with excellent temperature resistance and strong adhesion capacity. Supramolecular hot-molten glues were prepared from two small compounds, acrylic acid (A) and choline chloride (C), using a combination of molecular recognition (formation of supramonomers) and supramolecular polymerization (formation of cross-linked polymers). The coexistence of covalent poly(A) backbones and non-covalent crosslinker C units enabled the poly(A-C)s to display tough adhesion effects with long-term stability at high (150 degrees C, 5.18 MPa) and low temperatures (-196 degrees C, 9.52 MPa) without any additives. Real-time and quantitative monitoring of the adhesion behavior of poly(A-C)s was successfully realized over a wide temperature range of -80 to 150 degrees C, using a customized device that allowed for easy monitoring of the adhesion duration, attenuation, and failure. Importantly, adhesion failure was visualized and wirelessly alarmed.
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