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<p>We explored the use of meltable metal-organic frameworks and coordination polymers (MOFs/CPs) as dismantlable adhesives that can be readily disassembled by immersion in water at room temperature. Three MOF/CP materials were synthesized, melted, and applied to copper substrates to evaluate their shear bonding strength. Among these, [Zn(HPO<sub>4</sub>)(H<sub>2</sub>PO<sub>4</sub>)<sub>2</sub>](H<sub>2</sub>Im)<sub>2</sub> (ZPI) exhibited the highest shear strength (~ 10&#xa0;MPa), indicating its suitability as a high-strength adhesive. Moreover, ZPI-bonded joints showed a marked decrease in bond strength after just one hour of immersion in water at room temperature, allowing for manual disassembly. These findings highlight the potential of ZPI as a dismantling adhesive that functions under mild conditions.</p>

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Dismantlable adhesive using coordination polymer/metal organic framework

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年11月3日

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  • Mitsutaro Umehara,
  • Izuru Miyazaki,
  • Akitoshi Suzumura,
  • Shinya Moribe,
  • Yumi Masuoka

摘要

We explored the use of meltable metal-organic frameworks and coordination polymers (MOFs/CPs) as dismantlable adhesives that can be readily disassembled by immersion in water at room temperature. Three MOF/CP materials were synthesized, melted, and applied to copper substrates to evaluate their shear bonding strength. Among these, [Zn(HPO4)(H2PO4)2](H2Im)2 (ZPI) exhibited the highest shear strength (~ 10 MPa), indicating its suitability as a high-strength adhesive. Moreover, ZPI-bonded joints showed a marked decrease in bond strength after just one hour of immersion in water at room temperature, allowing for manual disassembly. These findings highlight the potential of ZPI as a dismantling adhesive that functions under mild conditions.