合成了半柔性热致液晶聚酰胺(TLCPa),通过熔融共混方法制备了TLCPa/PA66共混物.用差示扫描量热(DSC)、广角X射线衍射(WAXD)、扫描电子显微镜(SEM)和傅里叶红外光谱(FTIR)等分析手段对共混物进行了综合研究.DSC研究表明:TLCPa的加入使共混物的熔融温度和结晶温度向低温方向漂移,结晶速率下降.根据WAXD分析:强剪切有利于TLCPa与PA66分子间形成氢键作用,TLCPa与PA66形成共晶.SEM分析显示:TLCPa与PA66具有良好的相容性,沿流动方向TLCPa变形成为微纤.FTIR分析显示TLCPa与PA66分子间存在氢键作用.
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