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Abstract
목차
제I장. 서론 14
제II장. 연구 배경 16
1. 실리콘 고무의 특성 17
1-1 분자 사슬 17
1-2 실리콘의 구조와 종류 17
1-3 실리콘 고무의 물성 18
2. 실리콘의 표면 특성 20
2-1 물질의 접촉각과 표면 장력 20
2-2 표면 에너지와 접착일 22
3. 물질의 활성화 에너지 27
3-1 활성화 에너지 27
3-2 반응 속도론 27
4. 고무의 충전제와 나노컴포짓 29
4-1 Silica (White carbon)충전제 29
4-2 Carbon black 충전제 30
4-3 점토(Clay) 충전제 32
제III장. 연구 결과 33
1. 실리콘의 접착력과 카본블랙의 영향 34
1-1 재료 및 방법 34
1-2 시편의 제작과 실험 방법 35
1-2.1 실리콘 고무의 합성 35
1-2.2 실리콘의 접촉각 36
1-2.3 박리 실험 시편의 제작 36
1-2.4 박리 실험 (Peel test) 36
1-3 결과 및 토의 37
1-4 결론 38
2. 실리콘/점토 복합체와 활성화 에너지의 결정 39
2-1 재료 및 방법 39
2-2 시편의 제작과 실험 방법 40
2-2.1 실리콘 고무의 합성과 실리콘/점토 나노 복합체 40
2-2.2 열분석 실험과 활성화에너지의 계산 40
2-2.3 실리콘/점토 복합체의 구조 41
2-3 결과 및 토의 42
2-4 결론 43
참고문헌 45
감사의 글 77
Table 1 General properties of silicone rubber 19
Table 2 Surface tension of materials 20
Table 3 Wettability of liquid 21
Table 4 Surface energy of liquid (mJ/m ) 26
Table 5 Surface energy of solid (mJ/m ) 26
Table 6 Compare properties Furnace Black and White black 31
Table 7 Compare properties Furnace Black and White black 31
Table 8 Contact angle of the silicone rubber as a function of the content of aminopropyl triethoxysilane 50
Table 9 Contact angle of the silicone rubber compounding with 2wt% of carbon black 50
Table 10 Peel strength of the silicone rubber as a function of the content of aminopropyl triethoxysilane 51
Table 11 Peel strength of the silicone rubber compounding with 2wt% of carbon black 51
Table 12 Activation energy of thermal degradation (kJ/mole) of silicone rubber with different content of amine groups 53
Table 13 Activation energy of thermal degradation (kJ/mole) of silicone rubber with different content of amine groups compounded with 2wt% of Carbon black 53
Table 14 Activation energy of thermal degradation (kJ/mole) of silicone rubber with different content of amine groups compounded with 2wt% of C30B 54
Table 15 Activation energy of thermal degradation (kJ/mole) of silicone rubber with different content of amine groups compounded with 2wt% of C25A 54
Table 16 Activation energy of thermal degradation (kJ/mole) of silicone rubber with different content of amine groups compounded with 2wt% of C20A 54
Fig. 1. Contact angle of materials 21
Fig. 2. Peel test results of variable contents of APTES 52
Fig. 3. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 2.0wt% of APTES containing 2wt% C25A 55
Fig. 4. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber containing 2.0wt% of APTES 56
Fig. 5. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 2.0wt% of APTES containing 2wt% C30B 57
Fig. 6. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0.7wt% of APTES containing 2wt% C20A 58
Fig. 7. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 2.0wt% of APTES containing 2wt% C20A 59
Fig. 8. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 1.4wt% of APTES containing 2wt% C20A 60
Fig. 9. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0wt% of APTES containing 2wt% C20A 61
Fig. 10. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 1.4wt% of APTES containing 2wt% C25A 62
Fig. 11. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0.7wt% of APTES containing 2wt% C25A 63
Fig. 12. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0wt% of APTES containing 2wt% C25A 64
Fig. 13. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0wt% of APTES containing 2wt% C30B 65
Fig. 14. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 1.4wt% of APTES containing 2wt% C30B 66
Fig. 15. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0.7wt% of APTES containing 2wt% C30B 67
Fig. 16. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 2.0wt% of APTES containing 2wt% carbon black 68
Fig. 17. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 1.4wt% of APTES containing 2wt% carbon black 69
Fig. 18. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0wt% of APTES 70
Fig. 19. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 0.7wt% of APTES 71
Fig. 20. Representation of the TGA analysis results by the Kissinger and Ozawa method for the silicone rubber with 1.4wt% of APTES 72
Fig. 21. TGA curve of silicone rubber with 0.7wt% of APTES containing 2wt% of Cloisite 30B 73
Fig. 22. TGA curve of silicone rubber with 0.7wt% of APTES containing 2wt% of carbon black 74
Fig. 23. Silicone rubber/clay composites with 2.0wt% of APTES containing 2wt% C25A 75
Fig. 24. Silicone rubber/clay composites with 2.0wt% of APTES containing 2wt% C30B 76
Scheme 1. Reaction scheme of PDMS with clay 47
Scheme 2. Crosslinking reaction scheme of hydroxyl-terminated PDMS with TPOS 48
Scheme 3. Introduction of amine functional group into hydroxyl-terminated PDMS 49
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