Fire retardant synergisms between nanometric Fe2O3 and aluminum phosphinate in poly(butylene terephthalate)

被引：111

作者：

Gallo, E. ^{[1
,2
]}

Schartel, B. ^{[1
]}

Braun, U. ^{[1
]}

Russo, P. ^{[2
]}

Acierno, D. ^{[2
]}

机构：

[1] BAM Fed Inst Mat Res & Testing, D-12205 Berlin, Germany

[2] Univ Naples Federico 2, Dept Mat & Prod Engn, I-80125 Naples, Italy

来源：

POLYMERS FOR ADVANCED TECHNOLOGIES | 2011年 / 22卷 / 12期

关键词：

poly(butylene terephthalate) (PBT); flammability; metal oxide; nanocomposite; aluminum diethylphosphinate; REINFORCED POLY(1,4-BUTYLENE TEREPHTHALATE); FLAME RETARDANCY; THERMOPLASTIC POLYESTERS; THERMAL-DECOMPOSITION; MELAMINE CYANURATE; RED PHOSPHORUS; NANOCOMPOSITES; COMBINATION; COMBUSTION; MECHANISMS;

D O I：

10.1002/pat.1774

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 pyrolysis and the flame retardancy of poly(butylene terephthalate) (PBT) containing aluminum diethylphosphinate (AlPi) and nanometric Fe2O3 were investigated using thermal analysis, evolved gas analysis (Thermogravimetry-FTIR), flammability tests (LOI, UL 94), cone calorimeter measurements and chemical analysis of residue (FTIR). AlPi mainly acts as a flame inhibitor in the gas phase, through the release of diethylphosphinic acid. A small amount of Fe2O3 in PBT promotes the formation of a carbonaceous char in the condensed phase. The combination of 5 and 8 wt% AlPi, respectively, with 2 wt% metal oxides achieves V-0 classification in the UL 94 test thanks to complementary action mechanisms. Using PBT/metal oxide nanocomposites shows a significant increase in the flame retardancy efficiency of AlPi in PBT and thus opens the route to surprisingly sufficient additive contents as low as 7 wt%. Copyright (C) 2010 John Wiley & Sons, Ltd.

引用

页码：2382 / 2391

页数：10

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