Effects of charring agents on the thermal and flammability properties of intumescent flame-retardant HDPE-based clay nanocomposites

被引：17

作者：

Lu, Hongdian ^{[2
]}

Hu, Yuan ^{[1
]}

Li, Ming ^{[1
]}

Song, Lei ^{[1
]}

机构：

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

[2] Hefei Univ, Dept Chem & Mat Engn, Hefei, Anhvi, Peoples R China

来源：

POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2008年 / 47卷 / 02期

基金：

中国国家自然科学基金;

关键词：

intumescent flame retardant; montmorillonite; nanocomposites; polyethylene;

D O I：

10.1080/03602550701816001

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Intumescent flame-retardant (IFR) high-density polyethylene, poly[ethylene-co-(vinyl acetate)], and organically-modified clay nanocomposites consisting of ammonium polyphosphate (APP) and other charring agents, as well as the nanocomposites pentaerythritol (PER), polyamide-6 (PA), and PA/OMT were investigated. Their thermal and flammability properties have been characterized by thermogravimetric analyses, cone calorimetry, a limiting oxygen index, and the UL-94 test. Results show that the PER-contained sample exhibits different thermal and flammability behaviors from the samples containing polymer charring agents. The difference is postulated to be responsible for the formation of various intumescent structures and their changes in response to heightened temperatures.

引用

页码：152 / 156

页数：5

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