【摘要】 在ＰＰＳ 合成前期，Ｎａ２Ｓ·ＸＨ２Ｏ 和六甲基磷酰三胺（ ＨＭＰＡ） 反应，发生颜色变化，生成一种络合物。分别用Ｘ－ 射线衍射分析、红外、核磁、扫描电镜、顺磁等手段对这种络合物的结构进行分析表征，确认ＨＭＰＡ 参与了络合，络合物含有Ｐ、Ｎａ 、Ｓ 等元素，ＮａＨＳ 为络合物的组分之一。对比实验证明ＮａＯＨ 与ＨＭＰＡ 反应无颜色变化，即络合物中的Ｓ２ － 、ＨＳ－或其他含硫离子是Ｎａ２Ｓ·ＸＨ２Ｏ 与ＨＭＰＡ 反应产生颜色变化的决定性因素。更多还原

【Abstract】 s A complex was obtained from the synthesis of PPS by the reaction of Na 2S·xH 2O with HMPA,accompanied with a series of color changes.The structure and composition of the complex were characterized by X ray Diffraction,FT IR,NMR,SEM and ESR.The result of X ray Diffraction showed that the crystalline structure of the complex was different from those of stable forms of Na 2S.FT-IR spectra of the complex and HMPA indicated that HMPA was incorporated in the complex,and the data of SEM also confirmed it.NMR result suggested indirectly that NaHS was one of the contents of the complex.Further information about the complex was under investigation.更多还原