芳氧基取代聚磷腈合成方法的改进

根据三聚氯化磷腈和四聚氯化磷腈开环聚合反应条件的不同，以环状氯化磷腈混合物为起始原料，采用溶液聚合法，合成聚二氯磷腈，三聚体的单程转化率为60%左右，总转化率接近100%；然后以三乙胺为缚酸剂，使高聚氯化磷腈直接与酚类化合物进行取代反应，合成了标题高聚物。测定了它的红外光吸收谱，用凝胶渗透色谱法( GPC)测定了其分子量大小及分布。

Improvements in the Synthesis of Polyaryloxyphosphazene

Taking advantage of the difference between hexachlorocyclotriphosphazene and hexachlorocyclotetraphosphazene in the condition of ring-expansion polymerization,the solution polymerization in preparing polyphosphazene from chlorophophazene of r-trimer and r-tetramer was investigated.The once-through conversion of r-trimer reaches about 60%, while the total conversion approaches l00%.In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent. The structure of this polymer is determined by IR spectra.The molecular weight of the polymer is estimated by GPC.