Flame retardant epoxy resin based on bisphenol A epoxy resin modified by phosphoric acid

被引：38
|
作者：
Jiao, Chuanmei [1 ]
Zhuo, Jinlong [1 ]
Chen, Xilei [1 ]
Li, Shaoxiang [1 ]
Wang, Huajin [2 ]
机构：
[1] Qingdao Univ Sci & Technol, Coll Environm & Safety Engn, Qingdao 266042, Shandong, Peoples R China
[2] Marine Chem Res Inst, Qingdao 266071, Shandong, Peoples R China
来源：
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY | 2013年 / 114卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Epoxy resin; Flame retardant; Phosphoric acid; HYPERBRANCHED POLYPHOSPHATE ESTER; THERMAL-DECOMPOSITION; FLAMMABILITY; DEGRADATION; SYSTEMS;
D O I：
10.1007/s10973-012-2867-4
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Flame retardant epoxy resin (FREP) were synthesized from phosphoric acid and bisphenol A epoxy resin (BAEP). The structure of the FREP was characterized using FTIR and P-31 NMR. Then, several FREP/BAEP mass ratios were used to obtain materials with different phosphorus contents. The properties of the thermosetting materials were evaluated by limiting oxygen index, UL 94, cone calorimeter test, and thermogravimetric analysis. The results showed that the heat release rates and smoke production rates decreased greatly, and char residue increased with the increasing of FREP. It indicates that good flame retardant properties are related to the formation of a protective phosphorus-rich char layer.
引用
收藏
页码：253 / 259
页数：7
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