新型氮磷阻燃剂的合成及表征  

Synthesis and Characterization of New Nitrogen-Phosphorus Flame Retardant

作　　者：庄韦[1] 魏玮[2] 杨廷海[1] 孙小强[2] 

机构地区：[1]南京大学常州高新技术研究院 [2]常州大学石油化工学院,江苏省常州市湖路1号213164

出　　处：《光谱实验室》2011年第6期2878-2881,共4页Chinese Journal of Spectroscopy Laboratory

基　　金：常州市科技攻关项目(CE20100013)

摘　　要：以甲醛溶液、尿素、亚磷酸三甲酯为原料合成了N,N′-二甲基磷酰基脲,确定了最适加料方式、投料比例、反应温度及反应时间等条件。并通过红外光谱,1H NM R等对该化合物进行结构鉴定。在热重分析中该化合物显示出优异的热稳定性和较好的成炭性,可作为阻燃剂使用。N,N′-2-（dimethoxy phosphoryl） urea was synthesized with formaldehyde,urea and trimethyl phosphate as materials.The process conditions such as optimal addition method,ratio in feed,reaction time and reaction temperature were determined through the experiment.The structures of the obtained compounds were identified by IR and 1H NMR.Excellent thermal stability and char forming characteristics of this compound were indicated by TGA and DSC.The compound could be used as flame retardant.

关 键 词：亚磷酸三甲酯 N N′-二甲基磷酰基脲 阻燃剂 

分 类 号：TQ314.24[化学工程—高聚物工业] O657.33[理学—分析化学]