臺灣博碩士論文加值系統

本次研究將會針對光學塑膠材料環烯烴共聚物(Cycloolefin copolymer, COC)，探討不同微結構高分子混摻後相容性對光學性質的影響。經由不同觸媒所合成的COC，會擁有不同的微結構與光學性質。因此，藉由不同微結構之COC的混摻，探討降低材料雙折射特性與提升機械韌性的可行性。
我們使用溶劑成膜(solvent casting)與熱混摻(thermal blending)這2種方法做高分子混摻。微結構的差異與冰片烯(norbornene)含量對溶劑成膜的光學性質有顯著的影響。但使用熱混摻時，由於折射率相近和高分子聚集不易，故無論相容與否，膜都擁有一定的光學特性。

The cyclo-olefin copolymers(COC) which synthesized by different metallocene catalyst have different microstructures and optical properties. We made blendings with two COCs which had different microstucture or norbornene content by solvent casting or thermal blending. The phase separation behavior and optical haze property are distinct in solvent blending of the different microstrure and NB content COCs. On the other hand, the thermal blending ones make less difference because of the similar refractive indexs and the samller size of the disperse phase.

摘要 I
謝誌 II
目錄 III
圖目錄 VI
表目錄 IX

第一章 諸論 1

第二章 文獻回顧 2
2-1【前言】 2
2-2【COC材料介紹】 4
2-3【Metallocene觸媒】 5
2-3-1 Metallocene對COC結構的影響 6
2-4【mCOC物性研究】 10
2-4-1 Tg 10
2-4-2 XRD 13
2-4-3 DMA 15
2-4-4 Annealing[11] 16
2-4-5 流變性質[14] 18
2-5【COC與其他材料混摻】 19
2-5-1 COC與PE ( Polyethylene )的混摻[15] 20
2-5-2 COC與PP ( Polypropylene )的混摻[16] 21
2-5-3 不同的Norbornen含量COC的混摻[18] 23

第三章 實驗部分 25
3-1【實驗動機】 25
3-2【實驗架構】 26
3-3【實驗藥品】 27
3-4【實驗儀器】 28
3-5【實驗步驟】 29
3-5-1 溶劑成膜 29
3-5-2 Thermal Blending 30
3-6【分析鑑定方法】 31
3-6-1 13C-NMR微結構的分析與計算方法 31
3-6-2 Enthalpy Relaxation[23] 34
3-6-3 DSC 36
3-6-4 Haze 36
3-6-5 SEM 37
3-6-6 DMA 37
3-6-7 萬能拉力機 37
3-6-8 雙折射率 38

第四章 結果與討論 39
4-1【COC基本性質】 39
4-2【13C-NMR微結構分析與計算】 40
4-2-1 COC高分子13C-NMR圖譜 40
4-2-2 計算norbornene含量 43
4-2-3 計算各組成所占比例 44
4-3 【溶劑成膜】 46
4-3-1 熱性質 46
4-3-2 Enthalpy Relaxation 50
4-3-3 光學性質 52
4-3-4 Morphology 54
4-4 【Thermal Blending】 60
4-4-1 熱性質 60
4-4-2 光學性質 62
4-4-3 Morphology 64
4-4-4 機械性質 67
4-4-5 高溫單軸延伸 72

第五章 結論 73

第六章 參考文獻 74

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