硅酸盐学报2013，Vol.41Issue(4)：527-533,7.DOI:10.7521/j.issn.0454-5648.2013.04.17
镁铝水滑石阻燃剂表面改性及其机理
Surface Modification of Mg-Al Hydrotalcite Flame-retardant
摘要
Abstract
The surface modification of Mg-Al hydrytalcite particle (MAH) by sodium tripolyphosphate (STPP) was carried out. The unmodified (MAH) and modified MAHs (SMAH) were characterized by X-ray diffraction, scanning electron microscopy, energy dispersive spectroscopy, Fourier transform infrared spectroscopy, thermogravimetric-derivative thermogravimetric analysis, specific surface area measurement and particle size analysis, respectively. The oil absorption and wettability of the particles were investigated. The results show that the surface of the MAH is coated by P3O5-10 in the modification process. The hydrophobic property of the SMAH particles was strengthened, and the congeries dispersibility was improved. The composites (MAH/PP, SMAH/PP) were obtained by mixing MAH and SMAH into Polypropylene (PP), respectively. The flame retardancy and mechanical properties of the composites were analyzed. Compared to the MAH/PP sample, the mechanical properties of the SMAH/PP composite was increased, and the flame retardancy was enhanced.关键词
镁铝水滑石/阻燃剂/改性/三聚磷酸钠/聚丙烯Key words
magnesium aluminum hydrotalcite/ flame retardant/ modification/ sodium tripolyphosphate/ polypropylene分类
化学化工引用本文复制引用
徐圣,曾虹燕,赵策,廖梦尘,杨永杰,张伟,陶静,肖华淼..镁铝水滑石阻燃剂表面改性及其机理[J].硅酸盐学报,2013,41(4):527-533,7.基金项目
湖南省自科基金重点项目(12JJ2008) （12JJ2008）
湖南省高校创新平台开放基金项目(12K048) （12K048）
2012年湖南省大学生创新性实验计划资助项目. （）
