지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수1
2013
CHAPTER I INTRODUCTION 11.1 Bio-elastomer 21.2 Living anionic polymerization 31.2.1 Difunctional initiator process 41.2.2 Sequential addition process 51.2.3 Coupling process 61.2.4 End-group functionalization 61.3 Copolymers 71.3.1 Random copolymer 81.3.2 Block copolymer 91.3.3 Graft copolymer 111.4 Styrene copolymers 121.5 Aim of the thesis 141.6 Organization of the thesis 151.7 Orginality of the present work 15References 16CHAPTER II EXPERIMENTAL 262.1 Materials 272.1.1 Waste soybean oil 272.1.2 Epoxidized soybean oil 322.2 Characterization 342.2.1Nuclear magnetic resonance spectroscopy (NMR) 342.2.2 Fourier transform infrared spectroscopy (FTIR) 342.2.3 Gel permeation chromatography (GPC) 352.2.4 Differential scanning calorimetry (DSC) 352.2.5 Scanning electron microscopy (SEM) 352.2.6 Mixing procedure 362.2.7 Measurement of curing characteristics 362.2.8 Tensile testing 36References 37CHAPTER III SYNTHESIS AND CHARACTERIZATION OF STYRENE-BUTADIENE COPOLYMERS 383.1 Abstract 393.2 Introduction 393.3 Experimental 423.3.1 Materials 423.3.2 Polymerization procedures 433.3.2.1 Styrene-butadiene diblock copolymer (SB) 433.3.2.2 Styrene-butadiene random copolymer (SBR) 433.3.2.3 Styrene-butadiene-styrene triblock copolymer (SBS) 443.3.3 Characterization 453.3.3.1 Proton nuclear magnetic resonance spectroscopy (1H-NMR) 453.3.3.2 Fourier transform infrared spectroscopy (FTIR) 453.3.3.3 Gel permeation chromatography (GPC) 453.3.3.4 Differential scanning calorimetry (DSC) 453.3.3.5 Mixing procedure 453.3.3.6 Curing characteristics 463.3.3.7 Tensile testing 463.4 Results and discussion 463.4.1 Effect of THF on the polymerization process 463.4.2 Characterization of SB, SBR and SBS 483.4.2.1 FTIR and 1HNMR analysis 483.4.2.2 Molecular architecture analysis 523.4.2.3 DSC analysis 553.4.3 Coupling efficiency of SBS 573.4.4 Mechanical properties of SB, SBR and SBS 593.4.4.1 SB and SBR 593.4.4.2 SBS 613.5 Conclusions 62References 63CHAPTER IV SYNTHESIS AND CHARACTERIZATION OF STYRENE-BUTADIENE DIBLOCK COPOLYMER (SB) BASED BIO-ELASTOMERS 674.1 Abstract 684.2 Introduction 694.3 Experimental 714.3.1 Materials 714.3.2 Polymerization procedures 724.3.2.1 Styrene-butadiene diblock copolymer (SB) 724.3.2.2 Polymerization of bio-based elastomer 724.3.2.3 Styrene-butadiene-styrene triblock copolymer (SBS) 734.3.3 Characterization 734.3.3.1 Nuclear magnetic resonance spectroscopy (NMR) 734.3.3.2 Fourier transform infrared spectroscopy (FTIR) 734.3.3.3 Gel permeation chromatography (GPC) 734.3.3.4 Differential scanning calorimetry (DSC) 734.3.3.5 Tensile properties 734.4 Results and Discussion 744.4.1 Formation of bio-based elastomer from SB and WSO 744.4.1.1 Reaction mechanism 744.4.1.2 FTIR and NMR analysis 794.4.1.3 Thermal analysis 844.4.1.4 The coupling efficiency of the WSO 864.4.2 Formation of bio-based elastomer from SB and ESO 904.4.2.1 Reaction mechanism 904.4.2.2 FTIR and NMR analysis 944.4.2.3 Thermal analysis 964.4.2.4 The coupling efficiency of the ESO 984.4.3 Mechanical properties of the bio-elastomers 1004.5 Conclusions 103References 104CHAPTER V SYNTHESIS AND CHARACTERIZATION OF STYRENE-BUTADIENE RANDOM COPOLYMER (SBR) BASED BIO-ELASTOMERS 1095.1 Abstract 1105.2 Introduction 1105.3 Experimental 1135.3.1 Materials 1135.3.2 Polymerization procedures 1145.3.2.1 Styrene-butadiene random copolymer (SBR) 1145.3.2.2 Polymerization of bio-based elastomer 1145.3.3 Characterization 1145.3.3.1 Nuclear magnetic resonance spectroscopy (NMR) 1145.3.3.2 Fourier transform infrared spectroscopy (FTIR) 1145.3.3.3 Differential scanning calorimetry (DSC) 1155.3.3.4 Scanning electron microscope (SEM) 1155.3.3.5 Mixing procedure 1155.3.3.6 Measurement of curing characteristics 1155.3.3.7 Tensile testing 1155.4 Results and Discussion 1165.4.1 Formation of bio-based elastomer from SBR and WSO 1165.4.1.1 Reaction mechanism 1165.4.1.2 FTIR and NMR analysis 1205.4.1.3 Effect of the reaction condition 1225.4.2 Formation of bio-based elastomer from SBR and ESO 1235.4.2.1 Reaction mechanism 1235.4.2.2 FTIR and NMR analysis 1275.4.2.3 Effect of the reaction condition 1285.4.3 Mechanical properties of the bio-elastomers 1295.5 Conclusions 132References 133CHAPTER VI SYNTHESIS AND CHARACTERIZATION OF STYRENE-BUTADIENE-STYRENE TRIBLOCK COPOLYMER (SBS) BASED BIO-ELASTOMERS 1376.1 Abstract 1386.2 Introduction 1386.3 Experimental 1406.3.1 Materials 1406.3.2 Polymerization procedures 1416.3.2.1 Polymerization of bio-based elastomer 1416.3.2.2 Styrene-butadiene-styrene triblock copolymer (SBS) 1426.3.3 Characterization 1426.3.3.1 Nuclear magnetic resonance spectroscopy (NMR) 1426.3.3.2 Fourier transform infrared spectroscopy (FTIR) 1426.3.3.3 Gel permeation chromatography (GPC) 1426.3.3.4 Tensile testing 1426.4 Results and Discussion 1436.4.1 Formation of bio-based elastomer from SBS and WSO 1436.4.1.1 Reaction mechanism 1436.4.1.2 FTIR and NMR analysis 1476.4.1.3 Effect of the reaction condition 1496.4.2 Formation of bio-based elastomer from SBS and ESO 1516.4.2.1 Reaction mechanism 1516.4.2.2 FTIR and NMR analysis 1556.4.2.3 Effect of the reaction condition 1576.4.3 Mechanical properties of the bio-elastomers 1596.5 Conclusions 162References 162CHAPTER VII CHEMICAL MODIFICATION OF TRIBLOCK COPOLYMERS BY GRAFTING WITH MALEIC ANHYDRIDE 1667.1 Abstract 1677.2 Introduction 1677.3 Experimental 1697.3.1. Materials 1697.3.2 Grafting procedure 1697.3.3 Characterization 1707.3.3.1 Nuclear magnetic resonance spectroscopy (NMR) 1707.3.3.2 Fourier transform infrared spectroscopy (FTIR) 1707.3.3.3 Determination of the grafting degree of MAH 1707.4 Results and Discussion 1717.4.1 FTIR analysis 1717.4.2 1H NMR analysis 1727.4.3 Effect of polymer structure 1747.4.4 Effect of initiator concentration 1767.4.5 Effect of MAH concentration 1777.5 Conclusion 178References 178CHAPTER VIII BLENDS OF STYRENE-BUTADIENE BASED BIO-ELASTOMERS AND COMMERCIAL COPOLYMERS 1818.1 Abstract 1828.2 Introduction 1838.3 Experimental 1848.3.1. Materials 1848.3.2 Blending procedures 1858.3.2.1 SB-WSO/SBS, SB-ESO/SBS blends 1858.3.2.2 SBR-WSO/SBR, SBR-ESO/SBR blends 1858.3.3 Characterization 1868.3.3.1 Measurement of curing characteristics 1868.3.3.2 Aging studies 1868.3.3.3 Mechanical properties of the composites 1868.3.3.4 Cross-linking density 1878.4 Results and Discussion 1878.4.1 SB-WSO and commercial SBS blends 1878.4.2 SB-ESO and commercial SBS blends 1918.4.3 SBR-WSO and commercial SBR blends 1948.4.4 SBR-ESO and commercial SBR blends 1998.5 Conclusions 203References 203CHAPTER IX APPLICATIONS 2069.1 Potential future applications 2079.1.1 Modification of bitumen 2079.1.2 Pressure-sensitive adhesives (PSA) 2089.1.3 Geotextile 2099.2 Future scope of research 209References 210CHAPTER X CONCLUSIONS 211
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