Fire retardancy of ethylene-vinyl acetate composites - Evaluation of synergistic effects between ATH and diatomite fillers

被引：27
作者：
Cavodeau, Florian [1 ]
Otazaghine, Belkacem [1 ]
Sonnier, Rodolphe [1 ]
Lopez-Cuesta, Jose-Marie [1 ]
Delaite, Christelle [2 ]
机构：
[1] C2MA, 6 Ave Clavieres, F-30319 Ales, France
[2] Inst Jean Baptiste Donnet, LPIM, 3Bis Rue Alfred Werner, F-68093 Mulhouse, France
来源：
POLYMER DEGRADATION AND STABILITY | 2016年 / 129卷
关键词：
Flame retardancy; Barrier effect; ATH; EVA; Diatomite; MECHANICAL-PROPERTIES; CONE CALORIMETER; COPOLYMER; FLAMMABILITY; COMBUSTION; HYDROXIDE; NANOCOMPOSITES; DECOMPOSITION; KAOLINITE; SILICA;
D O I：
10.1016/j.polymdegradstab.2016.04.018
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
In the present work, diatomite was used as co-filler in aluminium hydroxide/ethylene-vinyl acetate composites (ATH/EVA). This silica-based marine sediment acts as a synergistic agent with ATH, to increase the flame retardant properties of EVA composites. When diatomite was used with ATH the formation of an expanded layer during cone calorimetry tests was observed. This layer presents a complex structure which better insulates the sample and reduces the heat release rate (HRR). Rheological measurements, such as complex viscosity obtained with an ARES apparatus, suggest an influence of the viscosity of the sample melt. We assume that the viscosity of the EVA composites is influenced by the porosity of the diatomite. Better residue cohesion was also obtained in presence of diatomite. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：246 / 259
页数：14
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