Title Page
Contents
ABSTRACT 6
요약 7
1. INTRODUCTION 8
2. Materials and methods 12
2.1. Materials. 12
2.2. Synthesis of benzyl(4-hydroxyphenyl)methyl sulfonium chloride (B-Sul Cl). 14
2.3. Synthesis of (4-hydroxyphenyl)(methyl)naphthalenyl methylsulfonium chloride (N-Sul Cl). 15
2.4. Synthesis of (4-methoxybenzyl)(4-hydroxyphenyl)methyl sulfonium chloride (MB-Sul Cl). 16
2.5. Synthesis of (4-vinylbenzyl)(4-hydroxyphenyl)methyl sulfonium chloride (VB-Sul Cl). 17
2.6. Anion exchange reactions of sulfonium cations and various anions. 18
2.7. Characterization. 19
3. RESULTS AND DISCUSSION 20
3.1. Synthesis of thermal initiators for cationic polymerization with the systematic structural variation 20
3.2. Structural variations of the thermal cationic initiator for the crosslinking reaction of difunctional epoxy resin 25
3.3. Effect of the structure of anions to the behaviors in the polymerization of difunctional epoxy resin 28
4. CONCLUSION 38
5. REFERENCES 40
6. Supporting Information 44