A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites
This study was aimed at investigating the effects of carbon nanomaterials with different geometries on improving the flame retardancy of magnesium hydroxide–filled ethylene-vinyl acetate (EM). The thermal stability and flame retardancy were studied by thermogravimetric analysis (TGA), limiting oxyge...
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doaj-4f09d6b51743476c8b2d872ee014eda32020-11-24T21:19:21ZengMDPI AGPolymers2073-43602018-09-01109102810.3390/polym10091028polym10091028A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide CompositesZhi-Qi Liu0Zhi Li1Yun-Xian Yang2Yan-Ling Zhang3Xin Wen4Na Li5Can Fu6Rong-Kun Jian7Li-Juan Li8De-Yi Wang9Key Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, ChinaIMDEA Materials Institute, C/Eric Kandel, 2, 28906 Getafe, SpainIMDEA Materials Institute, C/Eric Kandel, 2, 28906 Getafe, SpainKey Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, ChinaIMDEA Materials Institute, C/Eric Kandel, 2, 28906 Getafe, SpainKey Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, ChinaIMDEA Materials Institute, C/Eric Kandel, 2, 28906 Getafe, SpainIMDEA Materials Institute, C/Eric Kandel, 2, 28906 Getafe, SpainKey Laboratory of Comprehensive and Highly Efficient Utilization of Salt Lake Resources, Qinghai Institute of Salt Lakes, Chinese Academy of Sciences, Xining 810008, ChinaIMDEA Materials Institute, C/Eric Kandel, 2, 28906 Getafe, SpainThis study was aimed at investigating the effects of carbon nanomaterials with different geometries on improving the flame retardancy of magnesium hydroxide–filled ethylene-vinyl acetate (EM). The thermal stability and flame retardancy were studied by thermogravimetric analysis (TGA), limiting oxygen index (LOI), UL-94 test, and cone calorimeter test (CCT). The in situ temperature monitoring system and interrupted combustion offered direct evidence to link flame retardancy and composite structure. Results demonstrated that carbon nanomaterials enhanced the thermal stability and fire safety of EM. The geometry of carbon nanomaterials played a key role in synergistic flame retardancy of EM, with the flame-retardant order of carbon nanotube > nanoscale carbon black > graphene. Based on an online temperature monitoring system and interrupted combustion test, one-dimensional carbon nanotube was more inclined to form the network structure synergistically with magnesium hydroxide in ethylene-vinyl acetate, which facilitated the generation of more continuous char structure during combustion. In parallel, the mechanical property was characterized by a tensile test and dynamic mechanical analysis (DMA). The incorporation of carbon nanomaterials presented a limited effect on the mechanical properties of the EM system.http://www.mdpi.com/2073-4360/10/9/1028ethylene-vinyl acetatemagnesium hydroxidecarbon materialflame retardant |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zhi-Qi Liu Zhi Li Yun-Xian Yang Yan-Ling Zhang Xin Wen Na Li Can Fu Rong-Kun Jian Li-Juan Li De-Yi Wang |
spellingShingle |
Zhi-Qi Liu Zhi Li Yun-Xian Yang Yan-Ling Zhang Xin Wen Na Li Can Fu Rong-Kun Jian Li-Juan Li De-Yi Wang A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites Polymers ethylene-vinyl acetate magnesium hydroxide carbon material flame retardant |
author_facet |
Zhi-Qi Liu Zhi Li Yun-Xian Yang Yan-Ling Zhang Xin Wen Na Li Can Fu Rong-Kun Jian Li-Juan Li De-Yi Wang |
author_sort |
Zhi-Qi Liu |
title |
A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites |
title_short |
A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites |
title_full |
A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites |
title_fullStr |
A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites |
title_full_unstemmed |
A Geometry Effect of Carbon Nanomaterials on Flame Retardancy and Mechanical Properties of Ethylene-Vinyl Acetate/Magnesium Hydroxide Composites |
title_sort |
geometry effect of carbon nanomaterials on flame retardancy and mechanical properties of ethylene-vinyl acetate/magnesium hydroxide composites |
publisher |
MDPI AG |
series |
Polymers |
issn |
2073-4360 |
publishDate |
2018-09-01 |
description |
This study was aimed at investigating the effects of carbon nanomaterials with different geometries on improving the flame retardancy of magnesium hydroxide–filled ethylene-vinyl acetate (EM). The thermal stability and flame retardancy were studied by thermogravimetric analysis (TGA), limiting oxygen index (LOI), UL-94 test, and cone calorimeter test (CCT). The in situ temperature monitoring system and interrupted combustion offered direct evidence to link flame retardancy and composite structure. Results demonstrated that carbon nanomaterials enhanced the thermal stability and fire safety of EM. The geometry of carbon nanomaterials played a key role in synergistic flame retardancy of EM, with the flame-retardant order of carbon nanotube > nanoscale carbon black > graphene. Based on an online temperature monitoring system and interrupted combustion test, one-dimensional carbon nanotube was more inclined to form the network structure synergistically with magnesium hydroxide in ethylene-vinyl acetate, which facilitated the generation of more continuous char structure during combustion. In parallel, the mechanical property was characterized by a tensile test and dynamic mechanical analysis (DMA). The incorporation of carbon nanomaterials presented a limited effect on the mechanical properties of the EM system. |
topic |
ethylene-vinyl acetate magnesium hydroxide carbon material flame retardant |
url |
http://www.mdpi.com/2073-4360/10/9/1028 |
work_keys_str_mv |
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