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Isothermal crystallization from the glassy state of oriented poly(ethylene terephthalate) (PET) was studied using in situ Fourier transform infrared (FTIR) spectroscopy, in situ wide-angle X-ray diffraction (WAXD) studies, and small angle X-ray scattering (SAXS) studies. The oriented amorphous films of PET were prepared by rolling melt-quenched films to a draw ratio of 2. In situ FTIR was used to...
The orientation-induced conformational transition was studied on thin films of poly(methylhexylsilane) (PMHS). The orientation behavior of molecular chains was analyzed by the inclination-angle-dependence of the polarized UV spectrum and the FTIR reflection–absorption spectroscopy (RAS). The changes in conformation of PMHS chains were monitored with the UV absorption spectrum. It was shown that the...
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