Thermal degradation and fire behaviour of novel polyurethanes based on phosphate polyols

被引：46
|
作者：
Velencoso, Maria M. [1 ]
Ramos, Maria J. [1 ]
Klein, Rene [2 ]
De Lucas, Antonio [1 ]
Rodriguez, Juan F. [1 ]
机构：
[1] Univ Castilla La Mancha, Inst Chem & Environm Technol ITQUIMA, Dept Chem Engn, Ciudad Real 13004, Spain
[2] Huntsman, Core Sci Grp Polyurethanes, B-3078 Everberg, Belgium
来源：
POLYMER DEGRADATION AND STABILITY | 2014年 / 101卷
关键词：
Polyether polyol; Flame retardant; Phosphate; Coating; FLAME-RETARDANT COATINGS; EPOXY-RESINS; PHOSPHORUS; COMBUSTION; MECHANISM; PYROLYSIS; DENSITY;
D O I：
10.1016/j.polymdegradstab.2014.01.012
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 development of new polyurethane coatings with enhanced flame retardant properties based on the phosphorylated polyols is explored. The incorporation of phosphorus into the polymer molecular structure took place by reacting polymeric MDI with polyether polyols based on an alkoxylated glycerol phosphate initiator. The structure of the coatings was confirmed by FT-IR spectra. The thermal stability and flame retardant properties of the coatings were characterized using TGA, TGA-MS. LOI test, cone calorimetry, SEM microscopy and EDAX analysis. The results have highlighted the importance of the phosphorus chemical environment and its influence on the thermal degradation and oxidation of the polyol under different atmospheres. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：40 / 51
页数：12
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