Synergistic effects between iron-graphene and ammonium polyphosphate in flame-retardant thermoplastic polyurethane

被引：63

作者：

Chen, Xilei ^{[1
]}

Ma, Cuiyong ^{[1
]}

Jiao, Chuanmei ^{[1
]}

机构：

[1] Qingdao Univ Sci & Technol, Coll Environm & Safety Engn, Qingdao 266042, Shandong, Peoples R China

来源：

JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2016年 / 126卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Iron-graphene; Thermoplastic polyurethane; Ammonium polyphosphate; Flame retardant; THERMAL-DEGRADATION; CONE CALORIMETER; FUNCTIONALIZED GRAPHENE; SMOKE SUPPRESSION; GRAPHITE OXIDE; FIRE BEHAVIOR; TG-FTIR; COMBINATION; PHOSPHATE; NANOCOMPOSITES;

D O I：

10.1007/s10973-016-5494-7

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This article mainly studies synergistic flame-retardant effects of iron-graphene (IG) and ammonium polyphosphate (APP) in thermoplastic polyurethane (TPU). A high concentration of TPU/IG masterbatch was prepared by solution-blending method, and the TPU/APP/IG composites were prepared by melt-blending method. Then, the synergistic effects between iron-graphene and ammonium polyphosphate in flame-retardant TPU were investigated by limiting oxygen index (LOI), cone calorimeter test, and thermogravimetric/Fourier infrared spectrum (TG-IR), respectively. Remarkably, the combination of 0.25 mass% IG and 9.75 mass% APP can make the LOI value increase by 38.3 %, HRR value decrease by 92.8 %, and SPR value decrease by 72.8 %, etc. TG and TG-IR data reveal that APP and IG improve the thermal stability of samples at high temperature and reduce the production of some toxic gases.

引用

页码：633 / 642

页数：10

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