Title Page
목차
Contents
Nomenclature 10
1. Introduction 12
1.1. Research Background and Purpose 12
1.2. Research Content 13
1.3. Prior Literature 14
2. Theoretical Background 15
2.1. Electrospinning Technology 15
2.1.1. Structure of Electrospinning Machine 15
2.1.2. Principle and Process of Electrospinning 16
3. Fabrication of PAN Nanofibrous Membrane 17
3.1. Experimental Materials and Equipments 17
3.1.1. Materials 17
3.1.2. Equipments 17
3.2. Experimental Method 18
3.2.1. Preparation of PAN Polymer Solution 18
3.2.2. Experimental Conditions 18
3.2.3. Process of Electrospinning Experiment 19
4. Observation of Membrane Morphology and Structure 20
4.1. Micro Morphology 20
4.2. Pore Structure 20
4.3. Results and Discussion 20
4.3.1. Effect of Solution Concentration on Morphology 20
4.3.2. Effect of Applied Voltage on Morphology 22
4.3.3. Effect of Distance from Tip to Collector on Morphology 24
5. Smoke PM2.5 Filtration Experiment[이미지참조] 26
5.1. Experimental Equipments 26
5.2. Filtration Experimental Methods 26
5.3. Results and Discussion 27
5.3.1. Comparison with PTFE Commercial Membrane 27
6. Conclusion 30
7. References 31
Abstract 35
국문요약 36
Table 1. Experimental materials of electrospinning 17
Table 2. Experimental equipments of electrospinning 17
Table 3. Parameters of electrospinning experiment 18
Table 4. Experiment condition of electrospun PAN fibers and commercial PTFE filter membranes for different smoke PM2.5[이미지참조] 26
Fig. 1. Schematic diagram of electrospinning equipment 15
Fig. 2. Schematic diagram of PAN solution preparation process 18
Fig. 3. FE-SEM image, diameter, and aperture distribution of PAN nanofibrous membrane under different concentrations.... 21
Fig. 4. FE-SEM image, diameter, and aperture distribution of PAN nanofibrous membrane under different voltages.... 23
Fig. 5. FE-SEM image, diameter, and aperture distribution of PAN nanofibrous membrane under different distances.... 25
Fig. 6. Experimental setup for smoke PM2.5 filtration efficiency[이미지참조] 26
Fig. 7. FE-SEM images, diameter distribution of PAN fibrous membrane and commercial PTFE filter membrane. A, B) PAN; C, D) PTFE 28
Fig. 8. Comparison of filtration efficiency of electrospun PAN nanofibrous membrane and commercial PTFE filter membrane for PM2.5[이미지참조] 29