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20240816231912.0 |
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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1016/j.cej.2023.144226
|2 doi
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|a pubmed24n1503.xml
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|a (NLM)37484781
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|a (PII)144226
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Wu, Yuchao
|e verfasserin
|4 aut
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| 245 |
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|a A Photocured Bio-based Shape Memory Thermoplastics for Reversible Wet Adhesion
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|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 16.08.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Development of reversible wet or underwater adhesives remains a grand challenge. Because weakened intermolecular interactions by water molecules or/and low effective contact area cause poor interface to the wet surfaces, which significantly decreases adhesive strength. Herein, a new photocured, bio-based shape memory polymer (SMP) that shows both chemical and structural wet adhesion to various types of surfaces is developed. The SMP is polymerized from three monomers mainly from bio-sources to form linear polymer chains dangled with hydrophobic side chains. The hydrogen acceptor and donor groups in the chains form hydrogen bonding with the surfaces, which is protected by the hydrophobic chains in the interface. The SMP shows tunable phase transition temperature (Tg) of 17-38 °C. In a rubbery state above Tg, the adhesive forms conformable contact with the targeted surfaces. Below Tg, a transition to a glassy state locks the conformed shapes to largely increase the effective contact area. As a result, the adhesive exhibits long-term underwater adhesion of > 15 days with the best adhesion strength of ~ 0.9 MPa. Its applications in leak repair, underwater on-skin sensors were demonstrated. This new, general strategy would pave avenues to designing bio-based, long-lasting, and reversible adhesives from renewable feedstocks for widespread applications
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|a Journal Article
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|a biopolymer
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|a shape locking
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|a shape memory
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|a wet adhesion
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|a Su, Changhua
|e verfasserin
|4 aut
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|a Wang, Shaoyun
|e verfasserin
|4 aut
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| 700 |
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|a Zheng, Bujingda
|e verfasserin
|4 aut
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|a Mahjoubnia, Alireza
|e verfasserin
|4 aut
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|a Sattari, Kianoosh
|e verfasserin
|4 aut
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| 700 |
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|a Zhang, Hanwen
|e verfasserin
|4 aut
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| 700 |
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|a Meister, James
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Huang, Guoliang
|e verfasserin
|4 aut
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| 700 |
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|a Lin, Jian
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Chemical engineering journal (Lausanne, Switzerland : 1996)
|d 1999
|g 470(2023) vom: 15. Aug.
|w (DE-627)NLM098273531
|x 1385-8947
|7 nnns
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|g volume:470
|g year:2023
|g day:15
|g month:08
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|u http://dx.doi.org/10.1016/j.cej.2023.144226
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