표제지
Abstract
국문초록
목차
제1장 서론 12
1.1. 폴리이미드 (Polyimide, PI) 12
1.2. 무색투명 폴리이미드 (Colorless and transparent polyimide, CPI) 12
1.3. 지환식 모노머 (Alicyclic monomer) 13
1.4. 개발 현황 및 연구 동향 14
1.5. 연구 목적 14
제2장 실험 16
2.1. 시약 및 재료 16
2.2. CPI 필름의 제조 16
2.3. 특성 분석 20
제3장 결과 및 고찰 22
3.1. FT-IR 분석 22
3.2. ¹H MAS NMR and ¹³C MAS NMR 분석 22
3.3. 열적 특성 26
3.4. 산소 차단성 32
3.5. 기계적 특성 32
3.6. 광학적 투명도 35
3.7. 용해도 39
제4장 결론 41
참고문헌 42
Table 1. Heat treatment conditions of the CPI films obtained from the CHDA monomer. 18
Table 2. General properties of CPI films obtained from the CHDA monomer. 19
Table 3. FT-IR peak assignments for PI film. 24
Table 4. Mechanical properties of CPI films obtained from the CHDA monomer. 34
Table 5. Optical properties of CPI films obtained from the CHDA monomer. 37
Table 6. Solvent tests of CPI films obtained from the CHDA monomer. 40
Figure 1. FT-IR spectra of PI as a function of various heat treatment temperatures. 23
Figure 2. ¹H MAS NMR spectrum of the CPI films obtainde by the reaction of CHDA with 3,4-ODA. The spinning sidebands... 25
Figure 3. ¹³C MAS NMR spectrum of the CPI films obtainde by the reaction of CHDA with 3,4-ODA. The spinning sidebands... 27
Figure 4. Comparison of the CPI three-dimensional chemical structures with various diamines. 28
Figure 5. DSC thermograms of the CPI films obtained from the CHDA monomer. 30
Figure 6. TGA thermograms of the CPI films obtained from the CHDA monomer. 31
Figure 7. TMA thermograms of the CPI films obtained from the CHDA monomer. 33
Figure 8. UV-vis. transmittance of the CPI films obtained from the CHDA monomer. 36
Figure 9. Photographs of the prepared CPI films. 38
Scheme 1. Synthetic routes for CPI films based on CHDA monomer. 17