Flame retardation and char formation mechanism of intumescent flame retarded polypropylene composites containing melamine phosphate and pentaerythritol phosphate

被引：141

作者：

Zhou, Shun ^{[1
]}

Song, Lei ^{[1
]}

Wang, Zhengzhou ^{[1
,2
]}

Hu, Yuan ^{[1
]}

Xing, Weiyi ^{[1
]}

机构：

[1] Univ Sci & Technol China, State Key Lab Fire Sci, Hefei 230026, Anhui, Peoples R China

[2] Tongji Univ, Sch Mat Sci & Engn, Shanghai 200092, Peoples R China

来源：

POLYMER DEGRADATION AND STABILITY | 2008年 / 93卷 / 10期

基金：

中国国家自然科学基金;

关键词：

Polypropylene; Intumescent flame retardation; Melamine phosphate; Pentaerythritol phosphate; Char formation mechanism;

D O I：

10.1016/j.polymdegradstab.2008.07.012

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 flame retardation of polypropylene (PP) composites containing melamine phosphate (MP) and pentaerythritol phosphate (PEPA) was characterized by cone calorimeter. The formation mechanism of the char obtained from the combustion of the composites after cone calorimeter testing was studied by scanning electron microscopy (SEM), Fourier transform infrared spectra (FTIR), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD) and Raman diffusion. Results demonstrated that the PP composite containing MP and PEPA showed good flame retardancy. It had been found that the intumescent char could be principally divided into three parts, i.e. outer, middle and inner char layer, according to their different structures and components. Crown Copyright (C) 2008 Published by Elsevier Ltd. All rights reserved.

引用

页码：1799 / 1806

页数：8

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