Title Page
Contents
Abstract 8
국문 요약 10
Ⅰ. Introduction 14
Ⅱ. Experimental 17
2.1. Materials 17
2.2. Characterizations 18
2.3. Polymer synthesis 19
2.3.1. Synthesis of PMDA-ODA PI 19
2.3.2. Synthesis of co-PI 20
2.3.3. Synthesis of Fluorinated PI (F-PI) 21
2.4. Preparation of multi-layer film 22
Ⅲ. Result and Discussion 25
3.1. Polyimide synthesis results 25
3.2. Physical analysis of films 30
3.3. Dielectric analysis of films 37
Ⅳ. Conclusion 42
Ⅴ. References 43
Table 1. Monomer ratio and polymerization result of Polyimide 26
Table 2. Casting thickness and real thickness of film 33
Table 3. Mechanical properties of film 36
Table 4. Dieletric properties of multilayer film 41
Figure 1. Film casting process 24
Figure 2. Synthesis of PMDA-ODA Polyimide 27
Figure 3. Synthesis of copolyimide 28
Figure 4. Synthesis of Fluorinated PI (F-PI) 29
Figure 5. SEM images of the multilayer PI : (a) 2 layer, (b) MF-1, (c) MF-2, (d) MF-3. 34
Figure 6. EDX mapping analysis of multilayer film (Fluorine map, MF-1) 35
Figure 7. Dielectric constant of multilayer film. 39
Figure 8. Dielectric loss of multilayer film. 40