supported by the National Natural Science Foundations of China(Nos.50833006,20634050 and 50973008);the 47~(th) postdoctoral granted financial support from China Postdoctoral Science Foundation (No.20100470191)
The crystalline structure and morphology of the PLA crystallized isothermally from the glassy state on highly oriented PE substrates at 130℃ were investigated by means of optical microscopy, AFM and X-ray diffraction...