
低分子量聚-L-乳酸的SEC/GPC、DSC和TGA分析 | Waters
本文重点是使用APC对PLA进行SEC分析,以及使用DSC和TGA对PLA进行热分析。 这些聚合物分析技术有机结合,可揭示低分子量PLLA系列的特性,对环境条件下聚合物在加工过程中或成 …
Melting behavior of poly( l -lactic acid): X-ray and DSC analyses …
2008年4月1日 · In the first article of this series, the effects of crystallization temperature and crystallization time on the melting behavior of PLLA were studied with differential scanning …
Synthesis, characterization of poly l (+) lactic acid and its ... - Nature
2024年3月25日 · PLLA was loaded with isosorbide dinitrate utilizing the solvent evaporation process. The synthesized polymer-drug system was evaluated by different means such as FT …
SEC/GPC, DSC, and TGA Analysis of Low Molecular Weight Poly-L …
The analysis of a poly lactic acid (PLA) polymer, Poly-L-lactic Acid (PLLA), using orthogonal analytical instruments such as advanced polymer chromatography (APC), differential scanning …
Glass transition dynamics and structural relaxation of PLLA …
2005年9月8日 · In this work, the glass transition features of a PLLA material are investigated by means of DSC. Scans obtained after distinct thermal treatments, including stages at different …
Polylactic acid (PLA) is a biodegrad-able plastic derived from plants that is widely used in packing materials, fibers and medical materials. Crystallinity is an important consideration for the …
New approach to the double melting peak of poly (l-lactic acid ...
2012年5月1日 · Poly(l-lactic acid) (PLLA) is one of the most studied biopolymers nowadays. Due to its good performance, it constitutes an alternative to petrochemical-derived polymers. It was …
Highly toughening of PLLA-Based micropart via ... - ScienceDirect
2 天之前 · Fig. 4 a shows the first heating DSC curves of pure PLLA and PLLA/PDLA blend samples prepared through twin-screw extrusion (without the subsequent microinjection …
主题:聚乳酸DSC曲线解读 - 仪器信息网
2014年4月13日 · 下图为测得的PLLA DSC曲线,测试参数为:升降温速率=20C/min,0至220度升温,再降温,再次升温,其中首次升至220度及降温至0度时, 获得0活力值,您同时完成了每 …
plla的dsc曲线 - 百度文库
plla的dsc曲线是研究其热性质和热行为的重要工具。 通过分析DSC曲线中的特征峰,我们可以了解PLLA的玻璃化转变、熔融、结晶和热分解等性质。 这些信息对于了解和应用PLLA在医疗领 …