표제지
Abstract
국문초록
목차
제1장 서론 13
1.1. 무색 투명한 폴리이미드 (Colorless and transparent polyimide, CPI) 13
1.2. 고분자 나노 복합체 14
1.3. 개발 현황 및 연구 동향 15
1.4. 연구목적 17
제2장 실험 18
2.1. 시약 및 재료 18
2.2. 나노 필러의 합성 18
2.2.1. C16-GS 합성 18
2.2.1. C16-MMT 합성 18
2.3. PAA의 합성 19
2.4. CPI 나노 복합체 필름의 제조 22
2.5. 특성 분석 24
제3장 결과 및 고찰 26
3.1. 나노 필러 26
3.2. CPI구조 31
3.3. XRD분석 34
3.4. 몰포로지 36
3.5. 열적 특성 40
3.6. 광학 특성 47
제4장 결론 50
참고문헌 51
Table 2.1. Synthetic conditions of CPI hybrid films. 21
Table 3.1. Thermal properties of CPI hybrid films. 44
Table 3.2. Optical properties of CPI hybrid films 49
Figure 1.1. PI applications by years. 16
Figure 3.1. FT-IR spectra of GO, F-GS (C16-GS), Na+-MMT, and organoclay (16-MMT).[이미지참조] 28
Figure 3.2. FE-SEM photographs of (a) GO and (b) C16-GS. 29
Figure 3.3. Non-contact mode AFM image of C16-GS with three height profiles acquired at different location. 30
Figure 3.4. FT-IR spectra of CPI. 32
Figure 3.5. ¹³C MAS NMR spectra of CPI. 33
Figure 3.6. XRD patterns of nanofillers, CPI, and CPI hybrid films with various loadings of nanofillers (a) C16-GS and (b) C16-MMT. 35
Figure 3.7. FE-SEM micrographs of CPI hybrid films containing (a) 0.25, (b) 0.50, (c) 0.75, and (d) 1.00 wt% C16-GS. 37
Figure 3.8. TEM micrographs of CPI hybrid films containing (a) 0.50 and (b) 1.00 wt% C16-GS with different magnifications. 38
Figure 3.9. TEM micrographs of CPI hybrid films containing (a) 0.50 and (b) 1.00 wt% C16-MMT with different magnifications. 39
Figure 3.10. DSC thermograms of nanofillers, CPI, and CPI hybrid films with various nanofiller loadings of (a) C16-GS and (b) C16-MMT. 43
Figure 3.11. TGA thermograms of nanofillers, CPI, and CPI hybrid films with various nanofiller loadings of (a) C16-GS and (b) C16-MMT. 45
Figure 3.12. TMA thermograms of nanofillers, CPI, and CPI hybrid films with various nanofiller loadings of (a) C16-GS and (b) C16-MMT. 46
Figure 3.13. UV-vis transmittance of nanofillers, CPI, and CPI hybrid films with various nanofiller loadings of (a) C16-GS and (b) C16-MMT. 48
Scheme 2.1. Synthetic route of CPI nanocomposite. 20
Scheme 2.2. Schematic diagram of the preparation of hybrids. 23