Recrystallization rates and processes in laser-amorphized poly(ethylene terephthalate)

Autor: D. S. Dunn, Philip D. Richards, A. J. Ouderkirk, Eric Weitz
Rok vydání: 1993
Předmět:
Zdroj: Macromolecules. 26:1254-1259
ISSN: 1520-5835
0024-9297
DOI: 10.1021/ma00058a009
Popis: The recrystallization of laser-amorphized PET films has been followed in real time using IR spectroscopy. The laser amorphization process produces a unique set of conditions which makes possible a simplified interpretation of the data obtained during recrystallization of thin films. The observed data for the time dependence of the growth of recrystallized PET fits well to a kinetic model which includes both primary and secondary crystallization processes. Values obtained for the rate of the primary process agree well with literature values for spherulitic growth in PET, reaching a maximum rate of 94 nm/s at 170°C
Databáze: OpenAIRE