Application of DSC method for thermal stability and flammability assessment of modified polyurethanes

被引：6

作者：

Pielichowski, K ^{[1
]}

Slotwinska, D ^{[1
]}

Pielichowski, J ^{[1
]}

机构：

[1] Krakow Tech Univ, Dept Chem & Technol Polymers, PL-31155 Krakow, Poland

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2001年 / 63卷 / 01期

关键词：

chlorinated polyurethanes; DSC; flammability;

D O I：

10.1023/A:1010125528686

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Differential scanning calorimetry (DSC) was applied to investigate the thermal behaviour of a series of segmented polyurethanes based on diphenylmethane-4,4'-diisocyanate (MDI), polyoxypropylenediol (POPD) and 3-chloro-1,2-propanediol (CPD)/1,2-propanediol (PD). It has been found that the heat of thermal transition in the range of 250-300 degreesC increases with the amount of CPD, which also causes a decrease of polyurethanes' flammability, characterised by its Limited Oxygen Index (LOI) value. On the basis of obtained results it can be concluded that DSC may be applied for flammability evaluation of segmented polyurethanes.

引用

页码：317 / 321

页数：5

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