Synergistic Effects of Bitumen Plasticization and Microwave Treatment on Short-Term Devulcanization of Ground Tire Rubber

Ground tire rubber (GTR) was mechano-chemically modified with road bitumen 160/220 and subsequently treated using a microwave radiation. The combined impact of bitumen 160/220 content and microwave treatment on short-term devulcanization of GTR was studied by thermal camera, wavelength dispersive X-...

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Veröffentlicht in:	Polymers 2018-11, Vol.10 (11), p.1265
Hauptverfasser:	Zedler, Łukasz, Klein, Marek, Saeb, Mohammad Reza, Colom, Xavier, Cañavate, Javier, Formela, Krzysztof
Format:	Artikel
Sprache:	eng
Schlagworte:	Betum Bitumen Bitumen plasticization Bitumens Cautxú Chromatography Crumb rubber Curing Energy consumption Enginyeria química Fourier transforms Gas chromatography Infrared analysis Mass spectrometry Mechanical properties Microwave treatment Microwaves Oxidation Pneumàtics Radiation Reciclatge Recycling Rubber Scientific imaging Structure-property relationships Synergistic effect Synergistic effects Thermal stability Thermogravimetric analysis Tires Waste tire recycling Waste tires X-ray fluorescence Àrees temàtiques de la UPC
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Beschreibung
Zusammenfassung:	Ground tire rubber (GTR) was mechano-chemically modified with road bitumen 160/220 and subsequently treated using a microwave radiation. The combined impact of bitumen 160/220 content and microwave treatment on short-term devulcanization of GTR was studied by thermal camera, wavelength dispersive X-ray fluorescence spectrometry (WD-XRF), static headspace, and gas chromatography-mass spectrometry (SHS-GC-MS), thermogravimetric analysis combined with Fourier transform infrared spectroscopy (TGA-FTIR), oscillating disc rheometer and static mechanical properties measurements. The obtained results showed that bitumen plasticizer prevents oxidation of GTR during microwave treatment and simultaneously improves processing and thermal stability of obtained reclaimed rubber.
ISSN:	2073-4360 2073-4360
DOI:	10.3390/polym10111265