Synergistic Flame Retardant Effects of Ammonium Polyphosphate in Ethylene-Vinyl Acetate/Layered Double Hydroxides Composites

被引：28

作者：

Li, Long ^{[1
]}

Qian, Yi ^{[1
]}

Jiao, Chuanmei ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Environm & Safety Engn, Qingdao 266042, Peoples R China

来源：

POLYMER ENGINEERING AND SCIENCE | 2014年 / 54卷 / 04期

基金：

中国国家自然科学基金;

关键词：

THERMAL-DEGRADATION; FUMED SILICA; NANOCOMPOSITES; COMBUSTION;

D O I：

10.1002/pen.23619

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Mg-Al-Fe ternary layered double hydroxides (LDH) were synthesized based on bayer red mud by calcination-rehydration method, and characterized using X-ray diffraction and thermogravimetric analysis (TGA). The synergistic flame retardant effects of ammonium polyphosphate (APP) with LDH in ethylene-vinyl acetate (EVA) composites were studied using limiting oxygen index (LOI), UL 94 test, cone calorimeter test (CCT), and smoke density test (SDT). The thermal degradation behavior of EVA/LDH/APP composites was examined by thermal gravimetric analysis-fourier transform infrared spectrometry (TG-FTIR). The results showed that LOI values decreased by incorporation of APP together with LDH; and, a suitable amount of APP in EVA/LDH composites can apparently improve UL 94 rating. The CCT results indicated that heat release rate (HRR) of the EVA/LDH/APP composites with APP decreased in comparison with that of the EVA/LDH composites. The SDT results showed that APP was helpful to suppress smoke. The TG-FTIR data showed that the composites with APP had a higher thermal stability than the EVA/LDH composites at high temperature. POLYM. ENG. SCI., 54:766-776, 2014. (c) 2013 Society of Plastics Engineers

引用

页码：766 / 776

页数：11

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