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Leveraging Dynamic Bond Cleavage Reaction for Functional and Sustainable Applications
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dc.contributor.advisor 박치영 -
dc.contributor.author Gyeonghyeon Choi -
dc.date.accessioned 2025-02-28T21:01:15Z -
dc.date.available 2025-02-28T21:01:15Z -
dc.date.issued 2025 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/57987 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000837633 -
dc.description Electrically mediated, Mechanically-meditated, Small molecules-meditated, Functional materials, Sustainable polymer, Dynamic bond cleavage -
dc.description.tableofcontents Ⅰ. Introduction 1
1.1 Bond Cleavage Chemistry 1
1.2 Clip Chemistry 1
1.2.1 Examples of Clip Chemistry (Stoichiometric Clip Reaction) 2
1.2.2 Examples of Clip Chemistry (Catalytic Clip Reaction) 3
1.2.3 Examples of Clip Chemistry (Electron Transfer Mediated Clip Reaction) 4
1.2.4 Examples of Clip Chemistry (Light-Mediated Clip Reaction) 5
1.2.5 Examples of Clip Chemistry (Thermally Mediated Clip Reaction) 6
1.2.5 Examples of Clip Chemistry (Force- Mediated Clip Reaction) 7
1.3 Dynamic Covalent Polymer Network 8
1.4 Mechanism of Dynamic Covalent Polymer Network 9
1.5 Vitrimer-like Materials (Dissociative bond) 10
1.5.1 Siloxane Silanol Exchange Reaction 10
1.5.2 Disulfide Exchange Reaction 11
1.5.3 Carboxylate Transesterification 12
1.6 Vitrimer Materials (Associative Bond) 12
1.6.1 Vinylogous Urethane (Transamination) 12
1.6.2 Ester Bond (Transesterification) 12
1.6.3 Oxim Bond (Transcarbamoylation) 13
1.7 Recycling Methods 14
1.7.1 Mechanical Recycling 14
1.7.2 Chemical Recycling 15
1.8 Close-loop Chemical Recycling 17
1.8.1 Polyesters Based on Lactones 17
1.8.2 Carbamate Bond 19
1.8.3 Schiff Base 20
1.8.4 Carbonate Bond 21
1.9 Reference 23

IⅠ. Self-Powered Patches with Precision Guest Release Enabled by Electro-Mechanochemical Gating of Metal–Phenolic Nanocages 28
2.1 Introduction 28
2.2 Results and Discussion 31
2.2.1 Synthesis and Characterization 31
2.2.2 Voltage-meditated Cleavage Reaction and Mechanism 33
2.2.3 Ultrasound-meditated Cleavage Reaction 36
2.2.4 Applications 37
2.3 Conclusion 41
2.4 Experimental Section 42
2.4.1 Materials 42
2.4.2 Synthesis of MSN-0 42
2.4.3 Typical Preparation of TA-FeⅢ/MSN 43
2.4.4 Preparation of TFM-PAAm Hydrogel 43
2.4.5 Preparation of TFM-STENG 44
2.4.6 Characterization 44
2.5 Reference 46
2.6 Supporting Information 57

IⅠI. Supramolecular Engineering of Recyclable, Adaptive Polymer Composites for High-Performance Sensory Applications 68
3.1 Introduction 68
3.2 Results and Discussion 72
3.2.1 Synthesis and Characterization 72
3.2.2 Model Reaction Study 79
3.2.3 Effect of Cross-linking Density on Electrothermal Effect 80
3.2.4 Effect of Cross-linking Density on photothermal Effect 83
3.2.5 Effect of Cross-linking Density on Sensory Behaviors 84
3.2.6 Chemical and Mechanical Recycling 86
3.3 Conclusion 89
3.4 Experimental Section 90
3.4.1 Materials 90
3.4.2 Synthesis of poly(BMA-co-AAEMA), PBA 90
3.4.3 Synthesis of Covalent Polymer/SWCNT Composites (CPC4-24 %) 91
3.4.4 Swelling Ratio Test of DPC4-24% and DPC4-2.4% 92
3.4.5 Gel Fraction Test of DPC4-24% and DPC4-2.4% 92
3.4.6 Synthesis of mAA-Bu and mAA-Bz 93
3.4.7 Bond Exchange Reactions from mAA-Bz to mAA-Bu 93
3.4.8 Mechanical recycling of DPC4-24% 93
3.4.9 Chemical recycling of DPC4-24% 94
3.4.10 Characterization 94
3.5 Reference 97
3.6 Supporting Information 113
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dc.format.extent 146 -
dc.language eng -
dc.publisher DGIST -
dc.title Leveraging Dynamic Bond Cleavage Reaction for Functional and Sustainable Applications -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000837633 -
dc.description.degree Doctor -
dc.contributor.department Department of Energy Science and Engineering -
dc.identifier.bibliographicCitation Gyeonghyeon Choi. (2025). Leveraging Dynamic Bond Cleavage Reaction for Functional and Sustainable Applications. doi: 10.22677/THESIS.200000837633 -
dc.contributor.coadvisor U Hyeok Choi -
dc.date.awarded 2025-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.ED 최14 202502 -
dc.date.accepted 2025-01-20 -
dc.contributor.alternativeDepartment 에너지공학과 -
dc.subject.keyword Electrically mediated, Mechanically-meditated, Small molecules-meditated, Functional materials, Sustainable polymer, Dynamic bond cleavage -
dc.contributor.affiliatedAuthor Gyeonghyeon Choi -
dc.contributor.affiliatedAuthor Chiyoung Park -
dc.contributor.affiliatedAuthor U Hyeok Choi -
dc.contributor.alternativeName 최경현 -
dc.contributor.alternativeName Chiyoung Park -
dc.contributor.alternativeName 최우혁 -
dc.rights.embargoReleaseDate 2029-08-31 -
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