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Thermoxidative degradation leading to gel in poly(ethylene terephthalate) (1974)

Spanninger, Philip A.

New York : Wiley-Blackwell

Journal of Polymer Science: Polymer Chemistry Edition 12 (1974), S. 709-717

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ISSN: 0360-6376

Keywords: Physics ; Polymer and Materials Science

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Poly(ethylene terephthalate) oxidizes on heating at 300°C in an air stream. Various literature has cited crosslinking under such conditions through a butanetriol or a biphenyltricarboxylic acid. In this study gelled polymer was found to contain the latter trifunctional compound, but not the former. In addition, 4,4′-biphenyldicarboxylic acid was found in the degraded gel. There is further indication for the presence of other multifunctional species. All components are consistent with general free-radical arylation mechanisms.

Additional Material: 1 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/pol.1974.170120401

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