膨胀的
三聚氯氰
阻燃剂
聚磷酸铵
乙烯-醋酸乙烯酯
热重分析
烧焦
材料科学
高分子化学
共聚物
醋酸乙烯酯
三聚氰胺
傅里叶变换红外光谱
锥形量热计
核化学
化学工程
化学
燃烧
有机化学
聚合物
复合材料
工程类
作者
Xinjun Wang,Lijun Qian,Juan Li
摘要
Abstract Amino acid‐triazine copolymer (CC‐Lys) was prepared by using lysine (Lys) and cyanuric chloride (CC). The structure and performance of CC‐Lys were tested by using Fourier transform infrared spectroscopy and thermogravimetric analysis. The CC‐Lys, ammonium polyphosphate (APP) and organic montmorillonite (OMMT), were applied in ethylene‐vinyl acetate (EVA) to improve its flame retardancy. The results showed that 20 wt% APP/CC‐Lys/OMMT makes EVA achieve the UL‐94 V0 rating. The reactions among APP/CC‐Lys/OMMT release some incombustible gases and promote the formation of a porous char layer with good barrier performance during combustion. Moreover, the quality of the char layer is improved. In addition, the peak of heat release rate of EVA composite is reduced by 87% and time to ignition is delayed. This work provides a good flame retardant system for EVA.
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