Compatible and crystallization properties of poly(lactic acid)/poly(butylenes adipate-co-terephthalate) blends | |
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學年 | 98 |
學期 | 1 |
出版(發表)日期 | 2009-12-01 |
作品名稱 | Compatible and crystallization properties of poly(lactic acid)/poly(butylenes adipate-co-terephthalate) blends |
作品名稱(其他語言) | |
著者 | Yeh, Jen-Taut; Tsou, Chi-Hui; Huang, Chi-Yuan; Chen, Kan-Nan; Wu, Chin-San; Chai, Wan-Lan |
單位 | 淡江大學化學學系 |
出版者 | Hoboken: John Wiley & Sons, Inc. |
著錄名稱、卷期、頁數 | Journal of Applied Polymer Science 116(2), pp.680-687 |
摘要 | Differential scanning calorimetry (DSC), wide angle X-ray diffraction (WAXD) and dynamic mechanical analysis (DMA) properties of poly(lactic acid)/ poly(butylene adipate-co-terephthalate) (PLA/PBAT) specimens suggest that only small amounts of poor PLA and/or PBAT crystals are present in their corresponding melt crystallized specimens. In fact, the percentage crystallinity, peak melting temperature and onset re-crystallization temperature values of PLA/PBAT specimens reduce gradually as their PBAT contents increase. However, the glass transition temperatures of PLA molecules found by DSC and DMA analysis reduce to the minimum value as the PBAT contents of PLAxPBATy specimens reach 2.5 wt %. Further morphological and DMA analysis of PLA/PBAT specimens reveal that PBAT molecules are miscible with PLA molecules at PBAT contents equal to or less than 2.5 wt %, since no distinguished phase-separated PBAT droplets and tan δ transitions were found on fracture surfaces and tan δ curves of PLA/PBAT specimens, respectively. In contrast to PLA, the PBAT specimen exhibits highly deformable properties. After blending proper amounts of PBAT in PLA, the inherent brittle deformation behavior of PLA was successfully improved. Possible reasons accounting for these interesting crystallization, compatible and tensile properties of PLA/PBAT specimens are proposed. |
關鍵字 | poly(lactic acid);poly(butylene adipate coterephthalate);compatability;crystallization;blend |
語言 | en |
ISSN | 0021-8995; 1097-4628 |
期刊性質 | 國外 |
收錄於 | SCI |
產學合作 | |
通訊作者 | Chai, Wan-Lan |
審稿制度 | |
國別 | USA |
公開徵稿 | |
出版型式 | 紙本 |
相關連結 |
機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/61534 ) |