| Issue |
MATEC Web Conf.
Volume 67, 2016
International Symposium on Materials Application and Engineering (SMAE 2016)
|
|
|---|---|---|
| Article Number | 06053 | |
| Number of page(s) | 7 | |
| Section | Chapter 6 Materials Science | |
| DOI | https://doi.org/10.1051/matecconf/20166706053 | |
| Published online | 29 July 2016 | |
Effect of Azo Dyes on the Thermal Degradation of Post-consumer Polyester Fabrics
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
a tiffiny_qin@163.com
b cswang@dhu.edu.cn
c wanghp@dhu.edu.cn
Thermogravimetric analysis(TGA) and pyrolysis gas chromatography mass spectrometry (Py-GC-MS) investigations were carried out on the thermal degradation of white and red post-consumer polyester fabrics. The results show that red PET fabrics which was dyed with C.I. Disperse red 167 for its typical azo structure exhibits larger activation energy compared with white PET. The addition of azo dyes displays an inhibiting effect on the deep pyrolysis and the formation of biphenyl and bis(2-hydroxybutyl) terephthalate produced by the free radical mechanism.
Key words: Post-consumer polyester fabrics / Azo dyes / Thermal degradation
© The Authors, published by EDP Sciences, 2016
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