The isothermal melt and cold crystallization kinetics of poly(aryl ether ketone ether ketone ketone) are investigated by differential scanning calorimetry over two temperature regions. The Avrami equation describes the primary stage of isothermal crystallization kinetics with the exponent n ฯท 2 for
Water sorption kinetics in poly(aryl ether ether ketone)
โ Scribed by G. Mensitieri; A. Apicella; J. M. Kenny; L. Nicolais
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 606 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0021-8995
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Nonisothermal melt and cold crystallization kinetics of poly(aryl ether ketone ether ketone ketone) (PEKEKK) were investigated by differential scanning calorimetry (DSC). The Avrami equation modified by Jeziorny could only describe the primary stage of nonisothermal crystallization kinetics of PEKEK
An optical microscope equipped with a video photograph system was used to follow the growth of spherulites. Under nitrogen atmosphere, the growth rates at 290 and 300ะC suggest that when the melt of PEEK has been equilibrated for 15 min at 400ะC, the subsequent crystallization behavior was nearly in