표제지
Abstract
국문요약
목차
1. 서론 12
2. 실험 21
2.1. 다이알데히드 셀룰로오스 나노크리스탈의 제조 21
2.2. PVA/AGO/DCNC 코팅 용액 및 복합 필름 제조 22
2.3. 특성 분석 23
3. 결과 및 고찰 26
3.1. 다이알데히드 셀룰로오스 나노크리스탈의 특성 분석 26
3.2. PVA/AGO/DCNC 복합 필름의 특성 분석 28
3.3. PVA/AGO/DCNC 복합 용액의 특성 분석 32
3.4. PVA/AGO/DCNC 코팅 필름의 특성 분석 34
3.5. PVA/AGO/DCNC 코팅 필름의 배리어 특성 분석 35
4. 결론 38
5. 참고문헌 40
Table 1. Solubility of PVA/AGO/DCNC Blend Films 55
Table 2. OTR and WVTR of PET Substrate, PVA, and PVA Composite Films 56
Figure 1. TEM images of CNC and DCNC. 44
Figure 2. FTIR spectra of CNC and DCNC. 45
Figure 3. XRD patterns of CNC and DCNC. 46
Figure 4. FTIR spectra of PVA and PVA/AGO/DCNC blend films. 47
Figure 5. TGA/DTG curves of PVA, PVA/AGO and PVA/AGO/DCNC blend films. 48
Figure 6. (a) Change in dispersion stability of PVA/AGO/DCNC solutions with various contents of DCNC compared to PVA content... 49
Figure 7. Turbiscan data of PVA/AGO and PVA/AGO/DCNC solution. 50
Figure 8. (a) UV-vis spectra and (b) optical images of PVA/AGO, PVA/AGO/CNC and PVA/AGO/DCNC coating film. 51
Scheme 1. Oxidation reaction of CNC to DCNC. 52
Scheme 2. Acetal crosslinking reaction between PVA and DCNC. 53
Scheme 3. Illustration of interaction between PVA chain and AGO, DCNC such as crosslinking and hydrogen bonding. 54