PHYSICAL PROPERTIES OF MODIFIED POLYMERS (BY GEORGE DIAD EID) Full
PHYSICAL PROPERTIES OF MODIFIED POLYMERS BY GEORGE DIAD EID
ABSTRACT OF A THESIS SUBMITTED TO THE FACULTY OF THE DEPARTMENT OF PLASTICS ENGINEERING IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE UNIVERSITY OF MASSACHUSETTS LOWELL 2004
CONTENTS:
List of Tables vii
List of Figures viii
1.0 Introduction 1
1.1 General 1
1.2 Brief History of Polymers 2
1.2.1 Thermoplastics and Thermosets 3
1.2.2 Polymer Chemistry 4
1.2.3 Types o f Polystyrene Polymers 5
1.3 Polymer Shrinkage 8
1.3.1 Amorphous Polymers 9
1.3.2 Crystalline Polymers 10
1.3.3 Semi-crystalline Polymers 11
1.3.4 Amorphous Polymers vs. Semi-crystalline Polymers 12
1.3.5 Engineering Polymers 13
1.4 Fillers 14
1.4.1 Properties of Filled and Reinforced Plastics 16
1.4.2 Effects o f Fillers 18
1.5 Types o f Shrinkage 24
1.6 Crystallization Shrinkage 27
1.6.1 Injection Molding Shrinkage 32
iv
Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
1.6.2 Shrinkage Measurements
1.6.3 Mold Shrinkage
1.7 Coefficient of Thermal Expansion Effect
1.7.1 ASTMD696
1.7.2 ASTME228
1.7.3 Understanding Linear Thermal Expansion
1.7.4 Test Procedure
1.8 Thesis Goals
2.0 Experimental
2.1 Materials
2.2 Processing
2.2.1 S olvent Experiment I
2.2.2 S olvent Experiment II
2.2.3 Capillary Rheometry Experiment
2.2.4 Single Screw Extruder Experiment
2.2.5 Torque Rheometry
2.2.6 Compression Molding Experiment
2.3 Testing/Characterization
2.3.1 X-ray Diffraction (XRD)
2.3.2 Differential Scanning Calorimetry (DSC) and
Thermogravimetric Analyzer (TGA)
2.3.3 Transmission Electron Microscopy (TEM)
2.3.4 Coefficient o f Thermal Expansion (CTE)
Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
3.0 Results and Discussion 79
3.1 Solvent Experiment I 79
3.1.1 XRD 79
3.1.2 TEM 83
3.2 Capillary Rheometry 96
3.3 Netzsch CTE Testing Results on Single Screw Extrusion
Specimens 98
3.4 Torque Rheometry Results 108
3.5 Netzsch CTE Testing Results on Compression Molding Specimens 109
4.0 Conclusions 117
5.0 Recommendations 118
6.0 Literature Cited 119
Appendix 123
Appendix I - Solvent Experiment II 123
Appendix II - Capillary Rheometry 127
Appendix III - Single Screw Extruder 128
Appendix IV - Torque Rheometry 130
Appendix V - Compression Molding 132
Biographical Sketch o f Author
LINK 3 - TÌM KIẾM SÁCH/TÀI LIỆU ONLINE (GIÁ ƯU ĐÃI NHẤT)
LINK 4 - TÌM KIẾM SÁCH/TÀI LIỆU ONLINE (GIÁ ƯU ĐÃI NHẤT)
PHYSICAL PROPERTIES OF MODIFIED POLYMERS BY GEORGE DIAD EID
ABSTRACT OF A THESIS SUBMITTED TO THE FACULTY OF THE DEPARTMENT OF PLASTICS ENGINEERING IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF SCIENCE UNIVERSITY OF MASSACHUSETTS LOWELL 2004
CONTENTS:
List of Tables vii
List of Figures viii
1.0 Introduction 1
1.1 General 1
1.2 Brief History of Polymers 2
1.2.1 Thermoplastics and Thermosets 3
1.2.2 Polymer Chemistry 4
1.2.3 Types o f Polystyrene Polymers 5
1.3 Polymer Shrinkage 8
1.3.1 Amorphous Polymers 9
1.3.2 Crystalline Polymers 10
1.3.3 Semi-crystalline Polymers 11
1.3.4 Amorphous Polymers vs. Semi-crystalline Polymers 12
1.3.5 Engineering Polymers 13
1.4 Fillers 14
1.4.1 Properties of Filled and Reinforced Plastics 16
1.4.2 Effects o f Fillers 18
1.5 Types o f Shrinkage 24
1.6 Crystallization Shrinkage 27
1.6.1 Injection Molding Shrinkage 32
iv
Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
1.6.2 Shrinkage Measurements
1.6.3 Mold Shrinkage
1.7 Coefficient of Thermal Expansion Effect
1.7.1 ASTMD696
1.7.2 ASTME228
1.7.3 Understanding Linear Thermal Expansion
1.7.4 Test Procedure
1.8 Thesis Goals
2.0 Experimental
2.1 Materials
2.2 Processing
2.2.1 S olvent Experiment I
2.2.2 S olvent Experiment II
2.2.3 Capillary Rheometry Experiment
2.2.4 Single Screw Extruder Experiment
2.2.5 Torque Rheometry
2.2.6 Compression Molding Experiment
2.3 Testing/Characterization
2.3.1 X-ray Diffraction (XRD)
2.3.2 Differential Scanning Calorimetry (DSC) and
Thermogravimetric Analyzer (TGA)
2.3.3 Transmission Electron Microscopy (TEM)
2.3.4 Coefficient o f Thermal Expansion (CTE)
Reproduced with permission of the copyright owner. Further reproduction prohibited without permission.
3.0 Results and Discussion 79
3.1 Solvent Experiment I 79
3.1.1 XRD 79
3.1.2 TEM 83
3.2 Capillary Rheometry 96
3.3 Netzsch CTE Testing Results on Single Screw Extrusion
Specimens 98
3.4 Torque Rheometry Results 108
3.5 Netzsch CTE Testing Results on Compression Molding Specimens 109
4.0 Conclusions 117
5.0 Recommendations 118
6.0 Literature Cited 119
Appendix 123
Appendix I - Solvent Experiment II 123
Appendix II - Capillary Rheometry 127
Appendix III - Single Screw Extruder 128
Appendix IV - Torque Rheometry 130
Appendix V - Compression Molding 132
Biographical Sketch o f Author
LINK 3 - TÌM KIẾM SÁCH/TÀI LIỆU ONLINE (GIÁ ƯU ĐÃI NHẤT)
LINK 4 - TÌM KIẾM SÁCH/TÀI LIỆU ONLINE (GIÁ ƯU ĐÃI NHẤT)

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