Effect of Montmorillonite Clay on the Burning Rate of High-Impact Polystyrene

被引:12
|
作者
Sanchez-Olivares, G. [1 ]
Sanchez-Solis, A. [1 ]
Manero, O. [1 ]
机构
[1] Univ Nacl Autonoma Mexico, Inst Invest Mat, Mexico City 04510, DF, Mexico
关键词
burning rate; flame retardants; high-impact polystyrene; nanocomposites; triphenyl phosphite;
D O I
10.1080/00914030701473565
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The effect that montmorillonite clay has on the burning rate of high impact polystyrene (HIPS) is examined. Two clays are considered a pristine montmorillonite (MMT-Na+) and a montmorillonite clay intercalated with triphenyl phosphite (TPP). In addition to the burning rate tests, mechanical, impact and rheological properties are determined. Results show an increase of 55% in the burning rate of the nanocomposite when the neat MMT-Na+ clay is added. Thermal measurements indicate a diminishing HIPS decomposition temperature as the MMT-Na+ clay concentration rises. On the other hand, when TPP is incorporated in MMT-Na+ (MMT-i-TPP) and the clay is added to HIPS, a substantial reduction (42%) of the burning rate is observed, while the mechanical properties are kept at the level of those of the original HIPS. The system HIPS-MMT-i-TPP presents a steeper reduction in the viscosity as compared to HIPS in the high-temperature range.
引用
收藏
页码:245 / 257
页数:13
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