목차

1. INTRODUCTION 1
2. BACKGROUND 2
2.1. Thermoplastic polyurethane 2
2.1.1. Cationic ring opening polymerization 6
2.1.2. Azidation 10
2.1.3. Azide-alkyne click reaction 10
2.2. Chromic dye 13
2.2.1. Types of chromic dyes 13
2.2.2. Dye-containing polymer 16
2.3. Chemical warfare agent 16
2.4. Various processing using polymer materials 20
2.4.1. Electrospinning 20
2.4.2. Wet jetting 23
2.4.3. Spin coating 25
3. EXPERIMENTAL DETAILS 27
3.1. Materials 27
3.2. Preparation of azido thermoplastic polyurethane 28
3.2.1. Synthesis of poly(ECH-co-THF)diol and poly(GAP-co-THF)diol 28
3.2.2. Synthesis of azido thermoplastic polyurethane 28
3.3. Functionalized with chromic dye on the azido TPU 29
3.3.1. Steligh esterification for alkyne-dye 29
3.3.2. Azide-alkyne click reaction with different dye concentrations 29
3.3.3. Preparation of dye-polymer platform by solution processes 30
3.4. Functionalized with hydantoin group on the azido TPU for detoxification of CWA 31
3.4.1. Synthesis of 5,5-dimethyl-3-propynylhydantoin 31
3.4.2. Preparation of N-chloro hydantoin TPU fiber via surface treatment 31
3.4.3. N-chlorine stability test and detoxification test 32
3.5. Characterization 33
4. RESULTS AND DISCUSSION 34
4.1. Synthesis of azido-TPU 34
4.1.1. Synthesis of poly(ECH-co-THF)diol and poly(GAP-co-THF)diol 34
4.1.2. Synthesis of azido thermoplastic polyurethane 37
4.2. Application of functionalized azido TPU with chromic dye 40
4.2.1. Synthesis of alkyne-spiropyran monomer 40
4.2.2. Azide-alkyne click reaction with controlled dye concentration 42
4.2.3. Various processes of dye-polymer solution 46
4.3. Application of functionalized azido TPU to detoxification of CWA 58
4.3.1. Synthesis of 5,5-dimethyl-3-propynylhydantoin 60
4.3.2. Fabrication of HDT-TPU fiber via surface click reaction 63
4.3.3. N-chlorine stability test and detoxification test 71
4.4. N-chlorine stability test and detoxification test 71
5. CONCLUSIONS 76
REFERENCES 78
국문초록 89