표제지
목차
국문요약 9
Abstract 10
제1장 서론 11
제2장 이론적 배경 12
2.1. PLA / PCL 폴리머 12
2.1.1. PLA(Poly Lactic Add) 특성 12
2.1.2. PCL(Poly Carprolactone) 특성 12
2.2. PLA/PCL 복합폴리머 특성 13
2.2.1. PLA/PCL 복합폴리머 조성 14
2.2.2. PLA/PCL 복합폴리머 가공방법 15
제3장 실험방법 20
3.1. 시편제작 20
3.1.1. 사출시편 제작 20
3.1.2. 압출시편 제작 21
3.1.3. 재성형용 시편제작 23
3.2. 시편시험 방법 24
3.2.1. 충격강도 24
3.2.2. 인장강도 24
3.2.3. 플라즈마처리 25
3.2.4. 저온성형 26
제4장 결과 및 고찰 27
4.1. 충격강도 27
4.2. 인장강도 28
4.3. 플라즈마 30
4.4. 저온성형 31
제5장 결론 33
참고문헌 35
Table 1. Melting flow index according to processing materials 15
Table 2. Comparison of injection conditions between plastic and Re-forming resin 17
Table 3. Evaluation of Mechanical Properties of Specimen 27
Table 4. Index of Tensile strength of non-plasma and plasma specimens 31
Table 5. Final developed composite polymer composition table 33
Fig 1. PLA biodegradable resin structure formula 12
Fig 2. PCL biodegradable resin structure formula 13
Fig 3. Manufacturing Process (Low Temperature Formation Complex) 14
Fig 4. MI 테스트기(melting flow index checking machine) 15
Fig 5. Structure of injection molding machine for plastic resin 16
Fig 6. Plastic injection molding machine (PLA/PCL) 17
Fig 7. Kneader machine for PLA specimen 18
Fig 8. Main Plastic Twin Screw Extruder (PLA/PCL) 18
Fig 9. Mechamical property evaluation Articles & Specimens 19
Fig 10. Mixer of compound composition (Mixer twin) 20
Fig 11. Grinding specimen for Injection 21
Fig 12. Specimens for mechanical property evaluation 21
Fig 13. Grinding specimen for Extrusion 22
Fig 14. 3D filament printer machine & specimen 22
Fig 15. Specimen specification for extrusion 23
Fig 16. Specimen specification for low temperature molding 23
Fig 17. Developed composition Specimen prepared 24
Fig 18. Tensile testing machine 25
Fig 19. Plasma tester and specimen after treatment 26
Fig 20. The surface change of the specimen according to the... 28
Fig 21. Composite composition specimen DSC and TGA analysis 29
Fig 22. Stress-strain diagram of tensile specimen 29
Fig 23. Tensile strength of non-plasma and plasma specimens 30
Fig 24. Specimens changed by low temperature molding (1st test) 31
Fig 25. Porous low temperature reforming process using 3D printing 32
Fig 26. Flatness and realization products for low temperature 32
Fig 27. Patient-specific design technique for low-temperature molding 32
Fig 28. Demonstration process of low temperature reforming sprint 34
Fig 29. Demonstration of low temperature reforming of research results 34