Programmable Alignment and Thermotropic Actuation in Liquid Crystal Elastomers with Smectogenic Moieties = 스멕틱 액정을 포함한 액정탄성체의 분자 정렬 및 열방성 작동 프로그래밍

목차 (Table of Contents)

• Abstract 1
• Chapter 1. Introduction 3
• 1.1 Liquid Crystals 4
• 1.1.1 Calamitic Liquid Crystals 4
• 1.1.2 Mesophase 5
• 1.1.3 Ordering mechanism 5
• 1.1.4 Orientational order 6
• 1.2 Liquid Crystal Elastomers 7
• 1.2.1 Rubber elasticity 7
• 1.2.2 Liquid crystal elastomers 8
• 1.2.3 Thermotropic Actuation 8
• 1.2.4 Polydomain and Monodomain 10
• 1.2.5 Topology of Polymer Backbone in LCEs 11
• 1.2.6 Synthesis and Alignment of LCEs 11
• 1.3 Exchangeable Liquid Crystal Elastomers 14
• 1.3.1 Covalent Adaptable Networks 14
• 1.3.2 Exchangeable Liquid Crystal Elastomers 15
• Chapter 2. Motivtation 18
• 2.1 Liquid Crystal Elastomers as Soft Actuating Materials 18
• 2.2 Research aims and objectives 21
• Chapter 3. Robust and Reprocessable Liquid Crystal Elastomers with Dynamic Thiourea Bonds 24
• 3.1 Introduction 25
• 3.2 Experimental Methods 27
• 3.3 Results and Discussion 32
• 3.4 Conclusions 38
• Chapter 4. Molecular Engineering of Liquid Crystal Elastomers with Dynamic Thiourea Bonds for Body Temperature-Responsiveness 63
• 4.1 Introduction 64
• 4.2 Experimental Methods 66
• 4.3 Results and Discussion 70
• 4.4 Conclusions 78
• Chapter 5. Programming Alignment and Actuation in Liquid Crystal Elastomer Fibers via Mesophase Control 110
• 5.1 Introduction 111
• 5.2 Experimental Methods 113
• 5.3 Results and Discussion 118
• 5.4 Conclusions 125
• Chapter 6. Alignment Switching in 3D-Printed Smectic Liquid Crystal Elastomers 165
• 6.1 Introduction 166
• 6.2 Experimental Methods 168
• 6.3 Results and Discussion 175
• 6.4 Conclusions 183
• Chapter 7. Summary & Future Directions 214
• 7.1 Summary and Discussion 214
• 7.2 Future Directions 219
• References 221
• 요약 242
• Acknowledgements 244