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題 名 | Preparation and Characterization of Poly(butylene terephthalat)/Organoclay Nanocomposites=聚對苯二甲酸丁酯/有機黏土奈米複合材料之研究 |
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作 者 | 歐珍方; 朱靜宜; | 書刊名 | 勤益學報 |
卷 期 | 25 2007.12[民96.12] |
頁 次 | 頁(E)47-(E)63 |
分類號 | 440.34 |
關鍵詞 | 聚對苯二甲酸丁酯; 有機黏土; 結晶速率; 奈米複合材料; Nanocomposites; Clay; Crystallization; Montmorillonite; Intercalation; |
語 文 | 英文(English) |
英文摘要 | Polybutylene terephthalate (PBT)/montmorillonite (MMT) nanocomposites were prepared by solution intercalation method. The caly was organo-modified with intercalation agent of cetylpyridinium chloride (CPC). Wide-angle X-ray diffraction (WAXD) indicated interlayer spacing of organoclay in the nonocomposites depends on the amount of organoclay. From the results of differential scanning calorimetry (DSC) analysis it was found that clay behaves as a nucleating agent and enhances the crystallization rate of PBT. The Maximum enhancement of the crystallization rate for the nanocomposites was observed in nanocomposites containing about 5 wt% organcolay with a range of 1-15 wt%. From thermogravimetric analysis (TGA), we found that the thermal stability of the nanocomposites was enhanced by the addition of 1 wt% of organoclay. The thermal stability of PBT/organoclay nanocomposites is related to the organoclay content and the dispersion in the PBT matrix. |
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