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dc.contributor.authorLiu, TYen_US
dc.contributor.authorLin, WCen_US
dc.contributor.authorYang, MCen_US
dc.contributor.authorChen, SYen_US
dc.date.accessioned2014-12-08T15:17:53Z-
dc.date.available2014-12-08T15:17:53Z-
dc.date.issued2005-12-12en_US
dc.identifier.issn0032-3861en_US
dc.identifier.urihttp://dx.doi.org/10.1016/j.polymer.2005.10.100en_US
dc.identifier.urihttp://hdl.handle.net/11536/12968-
dc.description.abstractBinary blend membranes of biodegradable poly(L-lactide) (PLLA) with poly(tetramethylene adipate-co-terephthalate) (PTAT) copolymer were prepared by solution casting via air evaporation. The miscibility of PLLA/PTAT blends was studied by dynamic mechanical analysis (DMA) and thermal mechanical analysis (TMA) in a tensile mode. Differential scanning calorimetry (DSC) measurement was carried out. The surface microstructure and tensile properties of the blend membranes were examined using atomic force microscopy (AFM) and tensile tester. It was concluded that PLLA/PTAT blends should be partially miscible for all ranges of compositions. Higher roughness and porosity were observed for the blend containing 50% PTAT, suggesting more phase separation occurred. The DSC analysis showed that the fusion enthalpy and crystallinity (X-c) of the PLLA-rich phase decreased with increasing PTAT content. Solidification process strongly suggested that the crystallization rate was accelerated by blending with 25% PTAT content, which served as the nucleation agent. Furthermore, the crystallization rate coefficient (CRC) depended on the blending miscibility and cooling rate in the non-isothermal crystallization process. Besides, PTAT addition could be proved to enhance the thermal stability and elongation of resulting blend membranes, even superior to those properties of poly(lactic acid-co-glycolic acid) (PLGA). (c) 2005 Published by Elsevier Ltd.en_US
dc.language.isoen_USen_US
dc.subjectpoly(L-lactide)en_US
dc.subjectpoly (tetramethylene adipate-co-terephthalate)en_US
dc.subjectblenden_US
dc.titleMiscibility, thermal characterization and crystallization of poly(L-lactide) and poly(tetramethylene adipate-co-terephthalate) blend membranesen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.polymer.2005.10.100en_US
dc.identifier.journalPOLYMERen_US
dc.citation.volume46en_US
dc.citation.issue26en_US
dc.citation.spage12586en_US
dc.citation.epage12594en_US
dc.contributor.department材料科學與工程學系zh_TW
dc.contributor.departmentDepartment of Materials Science and Engineeringen_US
dc.identifier.wosnumberWOS:000234350400062-
dc.citation.woscount43-
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