以四羟甲基硫酸鏻为原料合成三胺甲基氧化膦,并将其和4,4′-联苯二甲酸作为原料合成含磷超支化半芳型聚酰胺。通过红外光谱(FT-IR)、核磁(氢谱 1HNMR、碳谱 13CNMR、磷谱 31PNMR)对三胺甲基氧化膦和含磷超支化半芳型聚酰胺进行结构表征,并计算聚合物的支化度为0.69。采用热重分析(TG)、动态热机械分析(DMA)、微型量热仪(MCC)对聚合物的性能进行分析。结果表明,含磷超支化半芳型聚酰胺具有较高的热稳定性和阻燃性。
Tris(aminomethyl) phosphine oxide was synthesized using tetrakis(hydroxymethyl) phosphonium sulfate as raw material,and then reacted with 4,4′-biphenyldicarboxylic acid to obtain phosphorus-containing hyperbranched semi-aromatic polyamide.The structures of tris(aminomethyl) phosphine oxide and phosphorus-containing hyperbranched polyamide were characterized by FT-IR and (1H,13C,31P) NMR,and the branching degree of the polymer was calculated to be 0.69.Thermogravimetric analysis (TG),dynamic mechanical thermal analysis (DMA),and microscale calorimeter (MCC) were used to analyze the properties of the polymers.The results showed that the phosphorus-containing hyperbranched semi-aromatic polyamides had high thermal stability and good flame retardancy.
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基金资助
国家自然科学基金地区基金项目(21564003和52162013)
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