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In recent papers, we proposed a theoretical model to describe relevant mechanisms that take place at the late stages of crystal growth in cold-crystallized polyethylene terephthalate PET. 1, 2 In the course of crystallization, progressive confinement of the noncrystalline domains hinders segmental motion, eventually leading to structural arrest. From the point of view of thermodynamics, this process is connected with a gradual increase of the chemical potential in the amorphous phase. We found that an initial chain orientation in the glass enhances the confinement effect of the crystals by
American Physical Society
Publication date: 
20 Jan 2009

FJ Baltá Calleja, G Di Marco, A Flores, M Pieruccini

Biblio References: 
Volume: 79 Issue: 1 Pages: 019903
Physical Review B