新型阻燃剂二乙基次膦酸铝的合成研究  

Preparation of aluminum diethylphosphinate as a novel class of phosphorous based flame retardant

作　　者：杨丽[1] 韩新宇[1] 毕成良[2] 韩长秀[1] 周逸潇[1] 张宝贵[1] 

机构地区：[1]南开大学环境科学与工程学院,天津300071 [2]天津理工大学环境科学与安全工程学院,天津300384

出　　处：《化学试剂》2011年第4期340-342,355,共4页Chemical Reagents

摘　　要：以自制的二乙基次膦酸钠及铝盐为原料,合成了标题化合物。通过采用ICP、FT-IR对产物进行表征,并对其反应条件,如反应温度、反应体系pH及反应物初始浓度进行研究,实验表明,其反应最佳条件:在反应体系的pH为2～3,二乙基次膦酸钠初始浓度为0.25 mol/L,反应温度为75℃时,合成高磷含量,热稳定性强的二乙基次膦酸铝,且高产率。Aluminum diethylphosphinate as a novel class of flame retardant was prepared by reaction of sodium diethylphosphinate self-synthesized and aluminum salts.The structure of the novel flame retardant was confirmed by ICP and FTIR.And the optimal reaction conditions were as follow：a pH between 2 and 3 and 0.25 mol/L of the initial concentration of sodium diethylphosphinate,the reaction temperature of 75 ℃,and high yield aluminum diethylphosphinate was obtained with high phosphorous levels and strong thermal stability.

关 键 词：阻燃剂 二乙基次膦酸铝 复分解反应 热重分析 

分 类 号：O627.51[理学—有机化学]