Flame Retardant Mechanism of a Novel Intumescent Flame Retardant Polypropylene

被引：34
|
作者：
Feng Cai-min [1 ,2 ]
Zhang Yi [1 ]
Lang Dong [3 ]
Liu Si-wei [1 ]
Chi Zhen-guo [1 ]
Xu Jia-rui [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, Inst Mat Sci, DSAPM Lab,Key Lab Polymer Composite & Functional, Guangzhou 510275, Guangdong, Peoples R China
[2] Shunde Polytech, Dept Appl Chem Engn, Foshan 528333, Peoples R China
[3] Guangdong Prov Key Lab Eire Sci & Technol, Guangzhou 510000, Guangdong, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON PERFORMANCE-BASED FIRE AND FIRE PROTECTION ENGINEERING | 2013年 / 52卷
基金：
中国国家自然科学基金;
关键词：
intumescent flame retardant; mechanism; polypropylene; THERMAL-OXIDATION REACTIONS; FIRE-RETARDANT; AMMONIUM POLYPHOSPHATE; DEGRADATION; POLYMERS; PENTAERYTHRITOL; REEXAMINATION; POLYETHYLENE; SYSTEMS; COMPOSITES;
D O I：
10.1016/j.proeng.2013.02.112
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
A novel intumescent flame retardant was incorporated into polypropylene to prepare novel intumescent flame retardant composites (PP/IFR) with good flame retardant properties. The flame retardant mechanism was investigated by means of Laser Raman spectroscopy (LRS), X-ray photoelectron spectroscopy (XPS). Thermogravimetric analysis/infrared spectromeby (TGA-IR), Fourier Transform infrared spectroscopy (FTIR) and Energy Dispersive Spectrometer (EDS). It was found that the IFR could decrease the degradation rate of PP; the formed intumescent char was containing unorganized carbon structure and graphitic structure, and consisting of P, N, O and C elements. FTIR analysis showed that the network with P-O-P and P-O-C were formed. EDS analysis results revealed that some P elements were connected to the polyaromatic rings and could form huge connected network. (C) 2013 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：97 / 104
页数：8
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