Dataset for 'Semiempirical Condensed Structure Analysis and Quantification of Disorder for Extrusion-printed Polylactide Filaments'

This dataset supports the manuscript entitled “Semiempirical condensed structure analysis and quantification of disorder for extrusion-printed polylactide filaments”. The dataset includes raw characterization data from differential scanning caloremetry (DSC), dynamic mechanical thermal analysis (DMA), and wide angle X-ray scattering (WAXS). All the PLA filaments were extrusion-printed on a commercial 3D printer (3D-Bioplotter Developer, EnvisionTEC, Germany), and further post-treated by cold crystallization. We fabricated two groups of PLA filaments. Group (1) were printed at a fixed printing speed of 1 mm/s with fine-tuning of the printing pressure, and cold crystallized at 80°C for 0 hrs, 0.5 hrs, 1 hrs, 1.5 hrs, ... ,4.5 hrs, 12 hrs, and 24 hrs. Group (2) were printed at fixed pressure of 8 bars under gradually increased printing speeds from 10 mm/s to 100 mm/s at 10 mm/s intervals, and then cold crystallized at 80°C for 24 hrs.本数据集支持题为《挤出打印聚乳酸丝材的半经验凝聚态结构分析与无序度量化》的研究手稿。该数据集包含差示扫描量热法（differential scanning calorimetry, DSC）、动态力学热分析（dynamic mechanical thermal analysis, DMA）以及广角X射线散射（wide angle X-ray scattering, WAXS）的原始表征数据。 所有聚乳酸（PLA）丝材均通过商用3D打印机（德国EnvisionTEC公司的3D-Bioplotter Developer机型）完成挤出打印，并经冷结晶后处理。本研究制备了两组聚乳酸丝材：第一组采用1 mm/s的固定打印速度，微调打印压力，并在80℃下分别冷结晶0 h、0.5 h、1 h、1.5 h、……、4.5 h、12 h及24 h；第二组采用8巴的固定打印压力，以10 mm/s为间隔将打印速度从10 mm/s逐步提升至100 mm/s，随后在80℃下冷结晶24 h。