含氧化膦结构可溶性共聚芳酰胺的合成

Synthesis of Soluble Aromatic Copolyamides Containing Phosphine Oxide Moiety

以双(对羧苯基)苯基氧化膦(BCPPO),对苯二甲酸(TPA)和4,4'-二氨基二苯砜(DDS)为原料,通过Yamazaki膦酰化法合成聚芳酰胺.研究了反应温度、单体浓度、反应时间和溶剂体系对聚合物相对分子质量的影响,并用红外光谱对合成聚合物进行了结构表征,合成的聚芳酰胺可溶于N-甲基吡咯烷酮(NMP)、N,N-二甲基甲酰胺(DMF)、间甲酚等有机溶剂.

Aromatic polyamide was synthesized by the polycondensation of a bis （4-carboxyphenyl）phenyl phosphine oxide（BCPPO） ,terephthalic acid （TPA） with 4,4＇-Diaminodiphenylsulfone（DDS） by Yamazaki phosphorylation reaction. The effects of reaction temperature ,monomers concentration ,reaction time and solvent system on the molecular weight of the polymer were investigated. The structure of the phosphorus-containing polyamide copolymer was characterized by FTIR. The copolymer is readily soluble in a variety of organic solvents such as NMP,DMF,m-cresol and so on.