표제지
목차
I. 서론 6
II. 연구배경 9
2.1. 국내 MDF 산업의 현황 10
2.1.1. MDF의 수요 10
2.1.2. MDF의 원료 10
2.1.3. MDF의 용도 11
2.1.4. 폐 목재의 발생 및 처리 13
2.2. MDF의 재활용에 관한 연구 14
2.3. 셀룰로오스계 섬유의 염색에 관한 연구 15
2.3.1. 직접염료 17
2.3.2. 반응성염료 18
2.3.3. 배트염료(Vat dyes) 19
2.3.4. 천연염료 20
III. 재료 및 방법 23
3.1. 공시 재료 23
3.1.1. MDF용 섬유 및 재생섬유 23
3.1.2. 염료 및 시약 25
3.2. 실험방법 30
3.2.1. 섬유의 원소분석 30
3.2.2. 염색 30
3.2.3. 염색섬유에 의한 시트제조 31
3.2.4. K/S 및 색차 측정 32
3.2.5. 일광견뢰도 측정 33
IV. 결과 및 고찰 34
4.1. 버진섬유와 재생섬유의 원소조성 34
4.2. 염료의 종류별 재생섬유와 버진섬유의 염색특성 및 일광견뢰도 35
4.2.1. MCT계와 VS계의 반응성염료에 의한 섬유의 염색특성 35
4.2.2. 직접염료에 의한 섬유의 염색특성 40
4.2.3. 배트염료에 의한 섬유의 염색특성 44
4.3. 색상별 염색특성 48
4.3.1. 천연염료 및 황색계 합성염료에 의한 섬유의 염색특성 48
4.3.2. 적색계 합성염료에 의한 섬유의 염색특성 52
4.3.3. 청색계 합성염료에 의한 섬유의 염색특성 55
V. 결론 58
참고문헌 60
국문초록 63
ABSTRACT 64
Table 1. Wood supply and demand in domestic for the last 10 years 9
Table 2. Kinds and molecular weight of used dyes 25
Table 3. Element compositions of virgin fiber for MDF and MDF recycled fiber 34
Table 4. Colour changes of the dyed virgin and recycled fiber with reactive dye 36
Table 5. Colour changes of the dyed virgin and recycled fiber with direct dye 40
Table 6. Colour changes of the dyed virgin and recycled fiber with vat dye 44
Table 7. Colour changes of the dyed virgin and recycled fiber with yellowish... 48
Table 8. Discoloration of dyed fiber with yellowish dyes by radiation time of ultraviolet 51
Table 9. Discoloration of dyed fiber with reddish dyes by radiation time of ultraviolet 54
Table 10. Discoloration of dyed fiber with blueish dyes by radiation time of ultraviolet 57
Fig. 1. Waste furnitures and MDF of our neighborhood. 8
Fig. 2. Demands of wood-based panels in Korea. 10
Fig. 3. Composition of raw material for MDF production in 2015. 11
Fig. 4. Progress of MDF uses. 12
Fig. 5. MDF uses share in 2015. 12
Fig. 6. Generation amount of waste wood by type of waste. 13
Fig. 7. Disposal rate of wood wastes in 2015. 14
Fig. 8. Chromophores. 16
Fig. 9. Auxochromes. 16
Fig. 10. Chemical structures of mainly used dyes. 16
Fig. 11. Reactive groups of bis-functional reactive red 198 dye. 18
Fig. 12. Mechanism of dyeing process of vat dyes. 19
Fig. 13. Virgin fiber and recycled fiber. 23
Fig. 14. Preparation of recycled fiber. 24
Fig. 15. Chemical structures of MCT type reactive dyes. 26
Fig. 16. Chemical structures of VS type reactive dyes. 27
Fig. 17. Chemical structures of direct dyes. 28
Fig. 18. Chemical structures of vat dyes. 29
Fig. 19. Preparation of natural dyes. 31
Fig. 20. Sheeted samples with dyed wood fiber. 32
Fig. 21. Colour meter and accelerated weathering tester. 33
Fig. 22. Spectral reflectance curves of dyed virgin and recycled fiber... 37
Fig. 23. K/S changes of dyed virgin and recycled fiber with various... 37
Fig. 24. Spectral reflectance curves of dyed virgin and recycled fiber... 38
Fig. 25. K/S changes of dyed virgin and recycled fiber with various... 38
Fig. 26. Comparison of colour yield between dyed virgin and recycled fiber... 39
Fig. 27. Comparison of sunlight fastness(20hr. radiation) between dyed virgin... 39
Fig. 28. Spectral reflectance curves of dyed virgin and recycled fiber... 42
Fig. 29. K/S changes of dyed virgin and recycled fiber with various... 42
Fig. 30. Comparison of colour yield between dyed virgin and recycled fiber... 43
Fig. 31. Comparison of sunlight fastness(20hr. radiation) between dyed virgin... 43
Fig. 32. Spectral reflectance curves of dyed virgin and recycled... 46
Fig. 33. K/S changes of dyed virgin and recycled fiber with... 46
Fig. 34. Comparison of colour yield between dyed virgin and recycled fiber... 47
Fig. 35. Comparison of sunlight fastness(20hr. radiation) between dyed virgin... 47
Fig. 36. Comparison of colour yield between dyed virgin and... 50
Fig. 37. Comparison of sunlight fastness(20hr radiation) between dyed virgin... 50
Fig. 38. Comparison of colour yield between dyed virgin and... 53
Fig. 39. Comparison of sunlight fastness(20hr. radiation) between dyed virgin... 53
Fig. 40. Comparison of colour yield between dyed virgin and... 56
Fig. 41. Comparison of sunlight fastness(20hr. radiation) between dyed virgin... 56