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Reversible local melting in polymer crystals

✍ Scribed by Iwao Okazaki; Bernhard Wunderlich

Publisher
John Wiley and Sons
Year
1997
Tongue
English
Weight
292 KB
Volume
18
Category
Article
ISSN
1022-1336

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✦ Synopsis

Abstract

The melting of poly(ethylene terephthalate) is analyzed by quasi‐isothermal, temperature‐modulated differential scanning calorimetry. The measurement is done by sinusoidally changing the temperature in the melting range (Β± 1.0 K). In the melting range a small portion of the sample melts reversibly. This observation is taken as a direct observation of the reversibility of melting of specific macromolecules as long as they are melting only partially and need no molecular nucleation for recrystallization.

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