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Effects of Zinc Phytate on Flame Retardancy and Thermal Degradation Behaviors of Intumescent Flame-retardant Polypropylene

Effects of Zinc Phytate on Flame Retardancy and Thermal Degradation Behaviors of Intumescent... In this paper, zinc phytate was prepared and used as a synergist in intumescent flame-retarded polypropylene composites. The results showed that the polypropylene composites with 17 wt% intumescent flame retardant and 2 wt% zinc phytate have a limiting oxygen index 29.2 and achieve the UL-94 V-0 rating. Moreover, the peak heat release rate of the polypropylene composites decreases from 374 to 275 kW/m2. Real-time Fourier-transform infrared spectroscopy showed that the zinc phytate delays the emission of carbon dioxide indicating that zinc phytate slows the degradation of polypropylene which regulates the suitability of intumescent flame-retardant system in polypropylene. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Polymer-Plastics Technology and Engineering Taylor & Francis

Effects of Zinc Phytate on Flame Retardancy and Thermal Degradation Behaviors of Intumescent Flame-retardant Polypropylene

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Effects of Zinc Phytate on Flame Retardancy and Thermal Degradation Behaviors of Intumescent Flame-retardant Polypropylene

Ma, Dong; Zhao, Peihua; Li, Juan
Polymer-Plastics Technology and Engineering , Volume 56 (11): 10 – Jul 24, 2017

Abstract

In this paper, zinc phytate was prepared and used as a synergist in intumescent flame-retarded polypropylene composites. The results showed that the polypropylene composites with 17 wt% intumescent flame retardant and 2 wt% zinc phytate have a limiting oxygen index 29.2 and achieve the UL-94 V-0 rating. Moreover, the peak heat release rate of the polypropylene composites decreases from 374 to 275 kW/m2. Real-time Fourier-transform infrared spectroscopy showed that the zinc phytate delays the emission of carbon dioxide indicating that zinc phytate slows the degradation of polypropylene which regulates the suitability of intumescent flame-retardant system in polypropylene.

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References (32)

Publisher
Taylor & Francis
Copyright
© 2017 Taylor & Francis
ISSN
0360-2559
eISSN
1525-6111
DOI
10.1080/03602559.2016.1255754
Publisher site
See Article on Publisher Site

Abstract

In this paper, zinc phytate was prepared and used as a synergist in intumescent flame-retarded polypropylene composites. The results showed that the polypropylene composites with 17 wt% intumescent flame retardant and 2 wt% zinc phytate have a limiting oxygen index 29.2 and achieve the UL-94 V-0 rating. Moreover, the peak heat release rate of the polypropylene composites decreases from 374 to 275 kW/m2. Real-time Fourier-transform infrared spectroscopy showed that the zinc phytate delays the emission of carbon dioxide indicating that zinc phytate slows the degradation of polypropylene which regulates the suitability of intumescent flame-retardant system in polypropylene.

Journal

Polymer-Plastics Technology and Engineering – Taylor & Francis

Published: Jul 24, 2017

Keywords: Biobased materials; charring; IFR; synergist; zinc phytate

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