Role of montmorillonite in flame retardancy of ethylene-vinyl acetate copolymer

被引：70
|
作者：
Szép, A [1 ]
Szabó, A [1 ]
Tóth, N [1 ]
Anna, P [1 ]
Marosi, G [1 ]
机构：
[1] Budapest Univ Technol & Econ, Dept Organ Chem Technol, H-1111 Budapest, Hungary
来源：
POLYMER DEGRADATION AND STABILITY | 2006年 / 91卷 / 03期
关键词：
nanocomposite; hydrated filler; interface modification; fire retardancy; thermal degradation; rheology;
D O I：
10.1016/j.polymdegradstab.2005.02.026
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 effects of non-treated (MMT), organophilic (OMM), and olefin/silicone polymer intercalated (IMM) montmorillonites on the thermal stability of ethylene-vinyl acetate copolymer (EVA) and on the flammability of magnesium hydroxide filled EVA were studied. The influence of various treatments oil the delamination of montmorillonites in EVA was detected by rheological Measurements and by Raman microscopy. The latter was a unique method for rapid detection of the dispersion also in highly filled EVA. Enhancement of thermo-oxidative stability of EVA and flame-retarded EVA could be observed by thermal analysis in the presence of variously treated montmorillonites. The flame-retardant efficiency of magnesium hydroxide was improved by simultaneous application of MMT and IMM. The increased performance of magnesium hydroxide was explained by the rheological effect of the IMM, catalytic effect of MMT and chemical interactions of montmorillonites with the metal hydroxide. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：593 / 599
页数：7
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