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Electrospinning of Cellulose Acetate, Property Analysis and Fabrication of Pp/Ca/Pp Composite Filter

ACKNOWLEDGEMENTS第6-7页
ABSTRACT第7-8页
LIST OF FIGURES第13-15页
LIST OF TABLES第15-16页
LIST OF ABBREVIATIONS第16-17页
CHAPTER 1 INTRODUCTION第17-20页
    1.1 Background第17-18页
    1.2 Objectives and Aims第18-20页
CHAPTER 2 LITERATURE REVIEW第20-35页
    2.1 Introduction第20页
    2.2 Electrospinning第20-23页
        2.2.1 Factors affecting electrospinning第21-23页
    2.3 Cellulose Acetate Electrospinning第23-27页
        2.3.1 Introduction第23页
        2.3.2 Properties of Cellulose-Acetate第23-24页
        2.3.3 Electrospinning Cellulose Acetate Nanofibers第24-26页
        2.3.4 Uses of Cellulose Acetate Nanofbers第26-27页
    2.4 Nonwovens and Filtration第27-30页
        2.4.1 Filtration Principle第27-29页
        2.4.2 Properties of a good Filter Media第29页
        2.4.3 Nonwovens for Filtration第29-30页
    2.5 Electrospinning of Nanofibers onto Nonwoven Substrates第30-32页
        2.5.1 Introduction第30-31页
        2.5.2 Composite Filters第31-32页
    2.6 Electrospinning Solution Aging第32-33页
    2.7 Conclusion第33-35页
CHAPTER 3 MATERIALS AND EXPERIMENTAL METHODS第35-42页
    3.1 Experimental Overview第35页
    3.2 Experimental第35-38页
        3.2.1 Materials第35页
        3.2.2 CA Solution Preparation第35-36页
        3.2.3 Electrospinning Set-up第36页
        3.2.4 Optimum Conditions for Electrospinning CA第36-37页
        3.2.5 CA Nanofiber Properties第37页
        3.2.6 Aging of CA spinning solution第37页
        3.2.7 Fabrication of PP/CA/PP Composite Filter第37-38页
    3.3 Methods第38-42页
        3.3.1 Scanning Electron Microscope(SEM)第38-39页
        3.3.2 Differential Scanning Calorimeter(DSC)第39页
        3.3.3 Thermo Gravimetric Analyzer(TGA)第39页
        3.3.4 BET Surface Area Analysis第39-40页
        3.3.5 FTIR Spectroscopy第40页
        3.3.6 Pore Size and Pore Size Distribution第40页
        3.3.7 Filtration Efficiency and Pressure Drop第40-42页
CHAPTER 4 RESULTS AND DISCUSSION第42-77页
    4.1 Optimum Conditions for Electrospinning CA Nanofibers第42-49页
        4.1.1 Morhology of Electrospun CA nanofibers第42-44页
        4.1.2 Effect of Polymer Concentration第44-46页
        4.1.3 Effect of Voltage第46-47页
        4.1.4 Effect of Flow Rate第47-49页
    4.2 CA Nanofibers and PP nonwoven Property Analysis第49-60页
        4.2.1 CA Nanofibers Fiber Morphology and Distribution第49-50页
        4.2.2 PP Nonwoven Fiber Morphology and Distribution第50-51页
        4.2.3 CA Nanofiber Surface Area第51-55页
        4.2.4 Pore Size and Pore Size Distribution第55-56页
        4.2.5 CA Nanofibers Thermal Properties第56-60页
    4.3 Effect of Aging CA Electrospinning Solution第60-70页
        4.3.1 Morphology of CA nanofibers第60-61页
        4.3.2 Fiber diameter distribution of the CA nanofibers第61-64页
        4.3.3 A Study of Chemical Groups in CA nanofiber before and after Aging第64-66页
        4.3.4 Quantitative analysis of the FT-IR results第66-69页
        4.3.5 Use of FT-IR results to explain electrospinning of CA nanofibers第69-70页
    4.4 PP/CA/PP Composite Filter第70-77页
        4.4.1 Filtration Efficiency第70-72页
        4.4.2 Pressure Drop第72-73页
        4.4.3 Pore Size and Distribution of PP/CA/PP-6第73-74页
        4.4.4 Fiber Morphology and Distribution of CA deposited onto PP Nonwoven第74-77页
CHAPTER 5 CONCLUSIONS第77-79页
    5.1 Optimum conditions for Electrospinning CA nanofibers in TFA第77页
    5.2 Effect of Aging CA electrospinning Solution第77-78页
    5.3 Composite Filter第78-79页
REFERENCES第79-83页

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