Dataset

The file WAXD_data_PLLA_NT contains raw Wide-Angle X-ray Diffraction (WAXD) data from scans of PLLA films and nanotubes. The heat treatment temperature is listed as a header for each column. All heat treatments were for 1 hour, followed by slow cooling to room temperature. The folder 'Isothermal DSC' contains raw DSC data exported from TA Universal Analysis software. The data fields 'Time', 'Temperature' and 'Heatflow' are marked by headers in each file. The temperature profile of the scan can be seen by plotting the 'time' column verses the 'temperature' column. Sample masses are included as a .txt file. The MATLAB code IsothermalAnalysis_v5.m can be used to perform Avrami analysis of the isothermal DSC data. The structure of the alpha crystal phase of PLLA used for XRD simulation is included as a alpha.cif file. The atomic co-ordinates of this model were determined from the work published by Wasanasuk et al. Macromolecules, 2011: http://dx.doi.org/10.1021/ma2006624 The folder POM images contains polarised light microscopy images taken of amorphous and crystalline PLLA nanotubes dispersed on a glass slide. A wave plate is used to determine the sign of any birefringence. Reference images of a drawn film are also included. In img2 the drawing direction is east-west, in img3 the drawing direction is southwest-northeast and in img4 is northwest-southeast.

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