POE-g-GMA对聚丙烯／聚磷酸铵复合材料玻璃化转变活化能的影响  

Effect of POE-g-GMA on Active Energy of Glass Transition Temperature of PP/APP Composite

作　　者：吕明福[1] 张师军[1] 余鼎声[2] 

机构地区：[1]中国石油化工股份有限公司北京化工研究院,北京100013 [2]北京化工大学材料科学与工程学院,北京100029

出　　处：《塑料工业》2007年第B06期269-271,共3页China Plastics Industry

摘　　要：以熔融反应挤出得到的POE-g-GMA作为增容剂,制备了增韧PP/APP复合材料。采用动态力学的方法,计算得到不同POE-g-GMA含量的PP/APP复合材料的玻璃化转变活化能。结果表明,在相同的测试频率下,接枝物POE- g-GMA的加入会导致PP/APP复合材料的内耗峰的峰温降低,而内耗峰的强度增加;降低复合材料的玻璃化转变活化能。这说明在PP/APP复合体系中加入POE-g-GMA可以改善PP和无机填料APP之间的相容性,使复合材料中的PP分子链段在进行玻璃化转变时更加容易,只需要较低的活化能就可以了。从中可以判断出接枝物POE-g-GMA对于PP/APP共混体系来说是很好的相容剂。With the POE-g-GMA prepared by means of reacting extrusion as compatibilizer, the toughened PP/APP cmoposite was prepared. The active energy of the glass transition temperature of the PP/APP composite with different content of POE-g-GMA was investigated by means of dynamic mechanical analyzer （DMA） . The results showed the addition of POE-g-GMA decreased the peak temperature of the inner loss （tgδ）, increased the intensity of the tgδ peak, which indicated the addition of POE-g-GMA could improve the compatibihty of PP with APP, and reduced the active energy of the glass transition temperature, and the glass transition of the molecular section of PP could be carried through easier.

关 键 词：聚丙烯 聚磷酸铵 动态力学性能 相容性 

分 类 号：TQ327.8[化学工程—合成树脂塑料工业]