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- Title
Substrate‐Independent, Reversible, and Easy‐Release Ionogel Adhesives with High Bonding Strength.
- Authors
Zhu, Jingjing; Lu, Xiaomeng; Zhang, Wei; Liu, Xiaokong
- Abstract
It is highly desirable to develop reversible and easy‐release adhesives with high bonding strength for a broad range of substrates, while the adhesion of low‐surface‐energy materials (e.g., polytetrafluoretyhylene, PTFE) is challenging. Herein, a substrate‐independent ionogel adhesive is developed by blending an ionic liquid with the copolymer bearing charged segments. By regulating the viscoelastic properties of the ionogel, the adhesive and cohesive strength of the ionogel can be well balanced to maximize the bonding strength for different substrates. The as‐developed ionogel exhibits high bonding strength (>0.3 MPa) for PTFE, plastics, metal, wood, and glass, because the variety of functional groups in the ionogel can form various supramolecular interactions with different substrates. The ionogel also exhibits reversible, easy‐release, and reusable properties for multiple times of bonding and on‐demand debonding without leaving obvious residues on the substrates. The ionogel has high potential for practical applications as temporal adhesives with high bonding strength.
- Subjects
BOND strengths; DEBONDING; POLYTEF; FUNCTIONAL groups; IONIC liquids; ADHESIVES; BEARINGS (Machinery)
- Publication
Macromolecular Rapid Communications, 2020, Vol 41, Issue 24, p1
- ISSN
1022-1336
- Publication type
Article
- DOI
10.1002/marc.202000098