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Coumarin derivative...
Coumarin derivative trigger controlled photo-healing of ion gels and photo-controlled reversible adhesiveness
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- Wang, Lei (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China
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- Ma, Xiaofeng (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China; Institute of Polymer Materials, Nanjing Forestry University, Nanjing 210037, PR China
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- Wu, Linlin (författare)
- College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, PR China
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- Sha, Ye (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China
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- Yu, Bo (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China
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- Lan, Xiaoyu (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China
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- Luo, Yanlong (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China; Institute of Polymer Materials, Nanjing Forestry University, Nanjing 210037, PR China
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- Shi, Yijun (författare)
- Luleå tekniska universitet,Maskinelement
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- Wang, Yan (författare)
- Jiangsu Product Quality Testing & Inspection Institute, Nanjing 210007, PR China
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- Luo, Zhenyang (författare)
- College of Science, Nanjing Forestry University, Nanjing 210037, PR China; Institute of Polymer Materials, Nanjing Forestry University, Nanjing 210037, PR China
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(creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
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Ingår i: European Polymer Journal. - : Elsevier. - 0014-3057 .- 1873-1945. ; 144
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Fabrication strategies for photo-responsive ion gels have attracted attention owing to their precise spatial and temporal control with predetermined responses to light stimuli. In this work, a reversible light-driven method was introduced to devise photo-responsive ion gels by harnessing coumarin-based building blocks under 365 nm irradiation. A series of random copolymers composed of N, N-dimethylacrylamide (DMA) and 7-(2′-methacryloyloxyethoxy)–4-methylcoumarin (MAOEMC), namely P(DMA-r-MAOEMC), were synthesized through reversible addition-fragmentation chain transfer (RAFT) polymerization with sufficient molecular weight (≈100 kDa). The coumarin moieties in those polymers exhibited a reversible photo-induced dimerization and photocleavage behavior in 1-ethyl-3-methylimidazolium bis (trifluoromethylsufonyl) imide ([C2mim][NTf2]). Those polymers - ionic liquid system at high polymer concentration (20 wt%) under suitable wavelength UV light irradiation led to sol–gel transition, which could be functionalized as photo-healable material and photo-controlled adhesion agents. Notably, the photo-controlled adhesiveness was reversible and can be mediated from 1.2 MPa to 0.2 MPa. This work opens new avenues to develop multifunctional ion gels using dynamic covalent bonds.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Tribologi (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Tribology (hsv//eng)
Nyckelord
- Ionic liquid
- Ion gel
- Coumarin
- Photo-healing
- Adhesiveness
- Machine Elements
- Maskinelement
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Wang, Lei
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Ma, Xiaofeng
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Wu, Linlin
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Sha, Ye
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Yu, Bo
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Lan, Xiaoyu
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visa fler...
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Luo, Yanlong
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Shi, Yijun
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Wang, Yan
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Luo, Zhenyang
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visa färre...
- Om ämnet
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- TEKNIK OCH TEKNOLOGIER
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TEKNIK OCH TEKNO ...
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och Maskinteknik
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och Tribologi
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European Polymer ...
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Luleå tekniska universitet