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Cast films of poly(butylene succinate) (PBS) were prepared by extrusion followed by stretching using a chill roll. The effects of extrusion temperature and take-up speed on the microstructures of the PBS cast films were investigated by two-dimensional wide angle X-ray diffraction (2D-WAXD) and small angle X-ray scattering (2D-SAXS) techniques. It was found that the processing conditions had almost...
Cast poly(lactic acid) (PLA) films were prepared by extrusion followed by stretching using a vertical three-pinch roll at various take-up speeds from 100 to 1000cm/min. These cast films were found to be amorphous and unoriented regardless of the take-up speeds applied, using two-dimensional wide angle X-ray diffraction (2D-WAXD), polarized Fourier transform infrared (FTIR), and differential scanning...
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