Pyrolysis and oxidation behaviour of dehydrogenation silicone foam containing Pt compounds

被引：4
|
作者：
Kang, Furu [1 ,2 ]
Deng, Jun [1 ,2 ]
Bai, Zujin [1 ,2 ]
Pang, Qingtao [1 ,2 ]
Li, Hang [1 ,2 ]
机构：
[1] Xian Univ Sci & Technol XUST, Coll Safety Sci & Engn, Xian 710054, Peoples R China
[2] XUST, Shaanxi Key Lab Prevent & Control Coal Fire, Xian 710054, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2021年 / 144卷 / 02期
基金：
国家重点研发计划;
关键词：
Silicone foam; Pt compounds; Pyrolysis; Kinetics; FLAME-RETARDANT; RUBBER;
D O I：
10.1007/s10973-020-10360-3
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
In this paper, effects of Pt compounds (C8H18OPtSi2) on pyrolysis and oxidation characteristics of silicone foam (SiFs), gas volatiles of SiFs during pyrolysis and oxidation process, influence of heating rate on pyrolysis and oxidation of SiFs, and the thermal reaction kinetics of SiFs were analysed. The residual mass of SiFs at 900.0 degrees C in N-2 atmosphere increased from 59.7 to 74.1% as the content of Pt compounds changed from 0.3 to 1.2 mass%. Whereas, the residual mass of SiFs in air atmosphere was higher than in N-2 atmosphere. CO2 and CO as new gas volatiles appeared in air atmosphere when compared in N-2 atmosphere. The residual mass of SiFs rose with the increase of heating rate. Besides, the apparent activation energy in N-2 atmosphere grew significantly with conversion rate, and the apparent activation energy in air atmosphere was significantly lower than that in N-2 atmosphere.
引用
收藏
页码：351 / 361
页数：11
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