由季戊四醇改性得到的一种成炭剂(CA)与无卤膨胀型阻燃体系(IFR)复配,通过红外光谱(FT-IK)、热重分析(TG)、锥形量热分析、扫描电镜(SEM)和拉曼光谱(Raman Spectra)研究其阻燃玻璃纤维增强聚丙烯(GF-PP)的效果和阻燃机理.结果表明,添加CA能显著提高GF-PP/IFR体系的阻燃性能,CA添加的质量分数为1%时,GF-PP阻燃效果(UL-94)达到V-0级,极限氧指数(LOI)可以达到27.9; FT-IR、拉曼光谱图和SEM照片表明,在GF-PP/IFR体系中CA能提高残留炭的石墨含量和炭层结构的致密性.
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