Thermal and flame retardant properties of novel intumescent flame retardant polypropylene composites

被引：62

作者：

Nie, Shibin ^{[1
,2
]}

Peng, Chao ^{[1
,2
]}

Yuan, Shujie ^{[1
,2
]}

Zhang, Mingxu ^{[3
]}

机构：

[1] Anhui Univ Sci & Technol, Sch Energy Resources & Safety, Huainan 232001, Anhui, Peoples R China

[2] Anhui Univ Sci & Technol, Key Lab Integrated Coal Exploitat & Gas Extract, Huainan 232001, Anhui, Peoples R China

[3] Anhui Univ Sci & Technol, Sch Mat Sci & Engn, Huainan 232001, Anhui, Peoples R China

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2013年 / 113卷 / 02期

基金：

中国博士后科学基金;

关键词：

Polypropylene; Fire retardant; Cone calorimeter; Microencapsulation; Intumescent; MICROENCAPSULATED AMMONIUM POLYPHOSPHATE; AGENT; PENTAERYTHRITOL; POLYURETHANE; TERPOLYMER;

D O I：

10.1007/s10973-012-2815-3

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Novel intumescent flame retardant polypropylene (PP) composites were prepared based on a char forming agent (CFA) and silica-gel microencapsulated ammonium polyphosphate (Si-MCAPP). The thermal and flame retardancy of flame retardant PP composites were investigated by limiting oxygen index, UL-94 test, cone calorimetry, thermogravimetric analysis, scanning electron micrograph, and water resistance test. The results of cone calorimetry show that the flame retardant properties of PP with 30 wt% novel intumescent flame retardants (CFA/Si-MCAPP = 1:3) improve greatly. The peak heat release rate and total heat release decrease, respectively, from 1,140.0 to 156.8 kW m(-2) and from 96.0 to 29.5 MJ m(-2). The PP composite with CFA/Si-MCAPP = 1:3 has the excellent water resistance, and it can still obtain a UL-94 V-0 rating after 168 h soaking in water.

引用

页码：865 / 871

页数：7

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