Synergistic Effects of Hydroxides and Dimethyl Methylphosphonate on Rigid Halogen-Free and Flame-Retarding Polyurethane Foams

被引：46

作者：

Zhang, Anzhen ^{[1
]}

Zhang, Yihe ^{[1
,2
]}

Lv, Fengzhu ^{[1
]}

Chu, Paul K. ^{[2
]}

机构：

[1] China Univ Geosci, Sch Mat Sci & Technol, Natl Lab Mineral Mat, Beijing 100083, Peoples R China

[2] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2013年 / 128卷 / 01期

关键词：

flame retardance; polyurethane; foams; MAGNESIUM-HYDROXIDE; EXPANDABLE GRAPHITE; AMMONIUM POLYPHOSPHATE; MECHANICAL-PROPERTIES; THERMAL-DEGRADATION; MELAMINE; BEHAVIOR;

D O I：

10.1002/app.38200

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Rigid halogen-free and flame-retarding polyurethane foams are prepared with aluminum hydroxide, brucite, and DMMP. The effects of the hydroxides and DMMP on the foaming process and flame retarding properties of the foams are investigated by thermo gravimetric analysis, limiting oxygen index, and X-ray powder diffraction. The thermal stability of the rigid polyurethane foams is close to that of the hydroxide fillers, with aluminum hydroxide providing better flammability performance than brucite. The hydroxide fillers and DMMP play a synergistic role in the rigid polyurethane foams and the limiting oxygen indices are up to 28.4% and 32.4%, respectively. (C) 2012 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 128: 347-353, 2013

引用

页码：347 / 353

页数：7

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