高分子材料导论

Chapter 1 Introduction 1

1.1 Classification of polymerizations 1

1.1.1 Condensation and addition polymerization 1

1.1.2 Step and chain polymerizations 3

1.2 Classification of Polymers 5

1.2.1 Classification by source 5

1.2.2 Classification by mechanical behavior and application 5

1.2.3 Classification by synthesis reaction 6

1.2.4 Classification by chain structure 6

1.2.5 Classification by processing characteristics 7

1.3 Physical State, Property and Application of Polymers 8

1.3.1 Crystalline and amorphous behavior 8

1.3.2 Thermal transitions 8

1.3.3 General properties of polymers 9

1.3.4 Applications of polymer materials 10

1.4 Polymer Processing 10

1.4.1 Ingredients of polymer materials 11

1.4.2 Processing methods 11

1.5 Development of Polymer Science and Engineering 13

1.5.1 Brief history of polymer materials 13

1.5.2 Establishment of polymer science 14

1.5.3 The development of synthetic polymers 14

Problems 19

Chapter 2 Polymer Synthesis 20

2.1 Step Polymerization 20

2.1.1 Basis for analysis of polymerization kinetics 21

2.1.2 Kinetics of step polymerization 22

2.1.3 Molecular weight control in linear polymerization 28

2.2 Radical Chain Polymerization 33

2.2.1 Rate of radical chain polymerization 33

2.2.2 Molecular weight 38

2.2.3 Chain transfer 40

2.2.4 Inhibition and retardation 42

2.2.5 Process conditions 43

Problems 47

Chapter 3 Polymer Structure, Molecular Motions and Transitions of Polymers 50

3.1 General Introduction for Polymer Structures 50

3.1.1 Structural groups 50

3.1.2 Linear chain polymers 51

3.1.3 Configurations of polymer chains 53

3.1.4 Conformation 55

3.1.5 Copolymers 55

3.1.6 Network polymers 56

3.2 Characteristics of Macromolecular Motions and Transitions 56

3.2.1 The Glassy Region 57

3.2.2 The Glass Transition Region 57

3.2.3 The Rubbery Plateau Region 58

3.2.4 The Rubbery Flow Region 59

3.2.5 The Liquid Flow Region 59

3.3 Molecular Motion and Thermal Transitions 59

3.3.1 Theories of glass transition 60

3.3.2 Factors affecting glass transition temperature 62

3.3.3 The crystalline melting point 69

3.3.4 Factors affecting the crystalline melting point, Tm 70

Problems 74

Chapter 4 Solid State Properties of Polymers 76

4.1 Mechanical Properties 76

4.1.1 Forces Versus Deformation Properties 77

4.1.2 Toughness 83

4.1.3 Creep 87

4.2 Optical Properties 88

4.2.1 Haze 88

4.2.2 Transparency 89

4.2.3 Gloss 90

4.3 Surface Contact Properties 90

4.3.1 Friction 90

4.3.2 Cling 92

4.3.3 Wear Resistance 92

4.4 Barrier Properties 93

4.4.1 Permeation through Polymers 94

4.4.2 Barrier Property Analysis 95

4.5 Electrical Properties 96

4.5.1 Electrical Resistance 96

4.5.2 Capacitive Properties 97

4.5.3 Dielectric Strength 98

4.5.4 Arc Resistance 99

4.5.5 Corona Treatment 99

4.5.6 Factors Influencing Polymers in Electrical Applications 99

4.6 Weather Resistance 100

4.6.1 Natural Outdoor Weathering 100

4.6.2 Accelerated Outdoor Weathering 101

4.6.3 Artificial Weathering 101

Problems 101

Chapter 5 Characterization and Testing of Polymers 103

5.1 Gel Permeation Chromatography 103

5.1.1 GPC Instrumentation 103

5.1.2 Calibration 105

5.1.3 Selection and Assembly of Detectors 106

5.2 Infrared Spectroscopy 106

5.2.1 Instrument and Experimental Method 107

5.2.2 Applications to Polymers 108

5.3 X-ray Diffraction Analysis 110

5.3.1 Experimental Methods 110

5.3.2 Application to Polymers 111

5.4 Nuclear Magnetic Spectroscopy 112

5.4.1 Experimental Methods 112

5.4.2 Application to Polymers 113

5.5 Thermal Analysis 118

5.5.1 Thermogravity Analysis (TGA) 118

5.5.2 Differential Scanning Calorimetry (DSC) 119

5.6 Light and Electron Microscopy 122

5.6.1 Light Microscopy 122

5.6.2 Electron Microscopy 123

Problems 126

Chapter 6 Plastics 128

6.1 Polyethylene 128

6.1.1 Low Density Polyethylene (LDPE) 130

6.1.2 High density polyethylene (HDPE) 134

6.1.3 Linear low density polyethylene (LLDPE) 135

6.1.4 Ethylene-vinyl acetate copolymer (EVA) 136

6.1.5 Crosslinked polyethylene (XPE) 137

6.2 Polypropylene (PP) 137

6.2.1 Isotactic polypropylene 138

6.2.2 Syndiotactic polypropylene (sPP) 139

6.3 Polyvinyl Chloride (PVC) 140

6.3.1 Polymerization 140

6.3.2 Structure and Properties 141

6.3.3 Copolymers 142

6.3.4 Application 142

6.4 Polystyrene (PS) and Related Polymers 143

6.4.1 Polymerization of styrene 143

6.4.2 Structure and properties 143

6.4.3 Copolymers of styrene 144

6.4.4 Syndiotactic polystyrene (sPS) 145

6.4.5 Application 145

6.5 Polymethyl Methacrylate (PMMA) 146

6.5.1 Polymerization 146

6.5.2 Structure and property 146

6.5.3 Application 147

6.6 Polyamide (Nylon) 147

6.6.1 Polyhexamethylene adipamide (nylon-66) 147

6.6.2 Other important polyamides 149

6.7 Polyethylene terephthalate (PET) 150

6.7.1 Polymerization 150

6.7.2 Property and application 150

6.8 Polyoxymethylene (POM) 151

6.8.1 Polymerization 151

6.8.2 Property 152

6.8.3 Application 152

6.9 Polycarbonate (PC) 152

6.10 Polytetrafluoroethylene (PTFE) 152

6.10.1 Polymerization 153

6.10.2 Structure 153

6.10.3 Property 154

6.10.4 Effect of structure on property 154

6.10.5 Fabrication and processing 154

6.10.6 Application 156

6.10.7 Fluorocarbon copolymers 156

Problems 156

Chapter 7 Elastomers 158

7.1 Basics for Elastomers 158

7.2 Morphology of Thermoplastic Elastomers 162

7.2.1 General characteristics 162

7.2.2 Properties and effect of structure 163

7.2.3 Mechanical properties 165

7.2.4 Thermal and chemical properties 168

7.3 Diene Elastomers 169

7.3.1 Butadiene-based elastomers 169

7.3.2 Polyisoprene 170

7.3.3 Polychloroprene 170

7.3.4 Styrene -butadiene rubber (SBR) 170

7.3.5 Metathesis elastomers 173

7.3.6 Nondiene elastomers 174

7.3.7 Thermoplastic elastomers 176

Problems 178

Chapter 8 Polymer Composites 179

8.1 Introduction to Composites 179

8.2 A Brief History of Polymer Composites 180

8.3 General Use Considerations 182

8.4 Technology Overview 184

8.4.1 Reinforcements 184

8.4.2 Matrices 186

8.4.3 Coupling agents 189

8.4.4 PMC forms 189

8.4.5 Fabrication processes 190

8.5 Applications of Polymer Composites 192

8.6 Nanocomposites 193

8.7 View of the Future 194

Problems 195

Chapter 9 Paint and Coatings 197

9.1 Principles of Coating 197

9.1.1 Rheology 198

9.1.2 Viscosity behavior 199

9.1.3 Surface chemistry 201

9.2 Composition of Paint 209

9.2.1 Introduction 209

9.2.2 Binder 209

9.2.3 Pigments 210

9.2.4 Solvents 211

9.2.5 Additives 212

9.2.6 Fillers (Extenders) 213

9.3 Theory of Adhesion 213

9.3.1 Introduction 213

9.3.2 Mechanical bonding 213

9.3.3 Electrostatic attraction 214

9.3.4 Chemical bonding 215

9.3.5 Paint diffusion 215

9.4 Coating Materials 216

9.4.1 Acrylics 218

9.4.2 Alkyd resins 218

9.4.3 Epoxies 220

9.4.4 Polyurethanes 221

Problems 223

Chapter 10 Developments in Polymer Science and Technology 224

10.1 Synthesis Technology 224

10.1.1 Living radical polymerization 224

10.1.2 Living cationic polymerization 235

10.2 New Polymer Materials and Applications 239

10.2.1 Dendritic (highly branched) polymers 239

10.2.2 Conducting Polymers 243

10.2.3 Bio-degradable polymers 254

Problems 260

References 262

本教材共10章。1. Introduction （绪论）、2. Polpmer preparation (聚合物的制备)、3. Polymer structure,molecular motion and transition (聚合物结构、分子运动和转变)、4. Polymer Properties（聚合物的性质）、5. Analysis and Testing of Polymers(聚合物表征和测试)、6. Plastics（塑料）、7．Elastimers (弹性体)、8. Polymer Composites(聚合物基复合材料)、9. Coatings (涂料)、10 Recent developments in polymer science and technology（聚合物科学技术新进展）。