High temperature crystallization of poly(ethylene terephthalate) | Zendy

Roland C. M. | Zendy

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High temperature crystallization of poly(ethylene terephthalate)

Author(s) -

Roland C. M.

Publication year - 1991

Publication title -

polymer engineering and science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.503

H-Index - 111

eISSN - 1548-2634

pISSN - 0032-3888

DOI - 10.1002/pen.760311202

Subject(s) - materials science , melting point , crystallization , poly ethylene , annealing (glass) , ethylene , melting temperature , superheating , infrared , thermodynamics , composite material , organic chemistry , optics , chemistry , physics , catalysis

Annealing poly(ethylene terephthalate) (PET) at high temperature results in a crystalline phase stable to 10°C higher than the temperature previously regarded as the equilibrium melting point. Melting temperatures as high as 289°C can be attained, which is equivalent to the equilibrium melting point determined herein for PET. The high melting point and tendency to superheat suggest that the crystals possess a substantial extended chain structure, notwithstanding the magnitude of the infrared fold band.

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