Kinetic Analysis and Characterization of Epoxy Resins ... - FedOA

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LIST OF TABLES 12 3.20 Ratio between the conversion in MW at different powers and DSC withcomparablethermalprofile. ................... 140 3.21 Avrami kinetic parameters at different powers. . .......... 142 3.22 MW kinetic parameters at different powers. . . . .......... 143 3.23 Parameters of the MW cycle. . . . .................. 146 3.24 Quantity of epoxy components used during the MW cycle. . . . . . 146 3.25DMAparameters. ........................... 147 3.26 Comparison of dynamical-mechanical properties between samples conventionallyandmicrowavecured.................. 149 3.27Sizeofspecimensusedforflexuraltests. ............... 150 3.28 Flexural elastic modulus for specimens conventionally and microwave cured. .................................. 153 3.29 Quantity of the components of the epoxy mixture used for experiments with the organic sensitizer. . .................. 157 3.30 Microwave oven parameters used for the experiments with the sensitizers. . . . .............................. 157 3.31 Quantity of the components of the epoxy mixture used for experimentswithnickelnanopoweders. ................... 160 12
List of Figures 1.1 DiglycidyletherofbisphenolA..................... 21 1.2 Typicalepoxyprepolymercomponents. ............... 22 1.3 Buildingapplicationofepoxyresins. ................. 26 1.4 Chemicalstructureofatypicalepoxyprepolymer. ......... 26 1.5 Generalstructureofadiaminehardeneragent. ........... 27 1.6 Diaminostilbene(DAS)......................... 27 1.7 Diaminoazobenzene(DAAB)...................... 27 1.8 Schemeofcrosslinkingreaction..................... 28 1.9 Molecularstructureofanepoxyresin. ................ 29 1.10Schematicrepresentationofanelectromagneticwave......... 36 1.11Electromagneticspectrum........................ 37 1.12Resistorandcapacitorinseries..................... 44 1.13 Phazor diagram for current and voltage. . .............. 45 1.14Resistorandcapacitorinparallel.................... 46 1.15 Model of a dipole used in the Debye description of an ideal liquid. 47 1.16 The (a) Maxwell and (b) Voigt models for viscoelasticity. . . . . . 48 1.17 Relationship between the dielectric loss factor and ability to absorb microwavepowerforsomecommonmaterials............. 51 2.1 Schematicmicrowaveovenstructure.................. 58 13
Page 1 and 2: UNIVERSITA’ DEGLI STUDI DI NAPOLI
Page 3 and 4: 3 I thank all the lecturers of PhD
Page 5 and 6: 5 Microwaves are electromagnetic ra
Page 7 and 8: CONTENTS 7 1.8.1 DielectricProperti
Page 9 and 10: CONTENTS 9 4 Conclusions and Outloo
Page 11: LIST OF TABLES 11 3.2 Average value
Page 15 and 16: LIST OF FIGURES 15 2.23 Onset tempe
Page 17 and 18: LIST OF FIGURES 17 3.38 Comparison
Page 19 and 20: Introduction 19 cannot be melted an
Page 21 and 22: Introduction 21 • bismaleimides;
Page 23 and 24: Introduction 23 cold solders, casti
Page 25 and 26: Introduction 25 Average Properties
Page 27 and 28: Introduction 27 In Figure 1.4 n can
Page 29 and 30: Introduction 29 ducts and it genera
Page 31 and 32: Introduction 31 tween current-carry
Page 33 and 34: Introduction 33 that describe the p
Page 35 and 36: Introduction 35 1.3.5 Lorentz Force
Page 37 and 38: Introduction 37 Figure 1.11: Electr
Page 39 and 40: Introduction 39 Even microwaves can
Page 41 and 42: Introduction 41 production requirem
Page 43 and 44: Introduction 43 fect of the electro
Page 45 and 46: Introduction 45 following different
Page 47 and 48: Introduction 47 Debye equations bas
Page 49 and 50: Introduction 49 Although these mode
Page 51 and 52: Introduction 51 materials that have
Page 53 and 54: Chapter 2 Experimental In this chap
Page 55 and 56: Experimental 55 Characteristic Note
Page 57 and 58: Experimental 57 If the oven is used
Page 59 and 60: Experimental 59 In monomodal applic
Page 61 and 62: Experimental 61 Figure 2.5: Right s
Page 63 and 64:
Experimental 63 Figure 2.8: Front v
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Experimental 65 regardless of the a
Page 67 and 68:
Experimental 67 • The number of t
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Experimental 69 Figure 2.11: Surfac
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Experimental 71 Figure 2.12: Repeti
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Experimental 73 From the Figure 2.1
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Experimental 75 in the centre of th
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Experimental 77 not read the water
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Experimental 79 Test number 1 2 3 4
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Experimental 81 Figure 2.19: Plot o
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Experimental 83 2.5 Datalogger This
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Experimental 85 same reason a wood
Page 87 and 88:
Experimental 87 Material Behaviour
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Experimental 89 in function of the
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Experimental 91 2.6.3 Influence of
Page 93 and 94:
Chapter 3 Results and Discussion Th
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Results and Discussion 95 There is
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Results and Discussion 97 Figure 3.
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Results and Discussion 99 Parameter
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Results and Discussion 101 After pr
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Results and Discussion 103 of insta
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Results and Discussion 105 1. Mecha
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Results and Discussion 107 where k
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Results and Discussion 109 Kinetic
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Results and Discussion 111 Figure 3
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Results and Discussion 113 3.3 Comp
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Results and Discussion 115 pedestal
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Results and Discussion 117 Tables 3
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Results and Discussion 123 t MW [s]
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Results and Discussion 125 simulate
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Results and Discussion 129 t DSC [s
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Page 133 and 134:
Results and Discussion 133 Using th
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Results and Discussion 135 forward
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Page 139 and 140:
Page 141 and 142:
Results and Discussion 141 than the
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Results and Discussion 143 Since ev
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Results and Discussion 145 ditions.
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Results and Discussion 147 3.23 and
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Results and Discussion 149 The T g
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Results and Discussion 151 3.6.1 St
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Results and Discussion 153 Flexural
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Results and Discussion 155 3.7.2 FT
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Results and Discussion 157 identifi
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Results and Discussion 159 This eff
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Results and Discussion 161 Also in
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Conclusions and Outlook 163 degree
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Appendix A A Brief History of Micro
Page 167 and 168:
A Brief History of Microwave Oven 1
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Bibliography [1] W. Callister, “M
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BIBLIOGRAPHY 171 [19] P. I. Karkana
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BIBLIOGRAPHY 173 [34] K. D. V. Pras
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Kinetic Analysis and Characterization of Epoxy Resins ... - FedOA

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