TABLE OF CONTENTS
DECLARATION iii
APPROVAL FOR SUBMISSION iv
ACKNOWLEDGEMENT vi
ABSTRACT vii
TABLE OF CONTENT viii
LIST OF TABLES xii
LIST OF FIGURES xiii
LIST OF SYMBOLS / ABBREVIATION xvi
CHAPTER
1 INTRODUCTION 1
1.1 Background of Study 1
1.2 Problem Statement 4
1.3 Objective of Study 5
2 LITERATURE REVIEW 6
2.1 Introduction to Bitumen 6
2.1.1 Extraction of Refined Bitumen from Crude Oil 7
2.2 Bitumen Constitution 8
2.2.1 Bitumen Composition - Saturates 9
2.2.2 Bitumen Composition - Aromatics 9
2.2.3 Bitumen Composition - Resins 10
2.2.4 Bitumen Composition - Asphaltenes 10
2.2.5 Bitumen Structure- Colloidal System 13
2.3 Graphene 15
2.3.1 Graphite Oxide 16
2.3.2 Graphite Oxide as Bitumen Modifier 17
2.4 Bitumen Modification 17
2.4.1 Polymer Modification 17
2.4.2 Acid Modification 19
2.5 Tests for Bituminous Materials 19
2.5.1 Penetration Test: ASTM D5-97 19
2.5.2 Softening Point (Ring and Ball) Test: ASTM D36-95 19
2.5.3 Ductility Test: ASTM D113-99 20
3 METHODOLOGY 21
3.1 Material 21
3.1.1 Chemical Substance 21
3.1.2 Bitumen 22
3.1.3 Graphite Nano Fiber 22
3.1.4 Equipment 22
3.2 Design of Experiment 23
3.2.1 Production of Graphite Oxide 25
3.2.2 Production of Virgin Bitumen Sample 28
3.2.3 Production of GO Modified Bitumen 30
3.3 Empirical Test 32
3.3.1 Penetration Test (ASTM D5-97) 32
3.3.2 Softening Point Test (ASTM D36-95) 33
3.3.3 Ductility Test (ASTM D113-99) 35
3.4 Morphological Test 37
3.4.1 Scanning Electron Microscope (SEM) 37
3.4.2 Attenuated Total Reflection - 38
Fourier Transform Infrared Spectroscopy
(FTIR)
4 RESULTS AND DISCUSSION 39
4.1 Comparison of Fourier Transform Infrared Spectroscopy
Between Graphite Nano fiber (GNF) and Graphite Oxide (GO) 40
4.2 Scanning Electron Microscope (SEM) 43
4.3 Empirical Test 46
4.3.1 Penetration Test 46
4.3.2 Softening Point Test 49
4.3.3 Ductility Test 52
5 CONCLUSION AND RECOMMENDATIONS 54
5.1 Conclusion 54
5.2 Recommendations 55
REFERENCES 56