Synthesis of nanocomposites by in situ metallocene-catalyzed polymerization of propene
Synthesis of nanocomposites by in situ metallocene-catalyzed polymerization of propene
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茂金属催化丙烯原位聚合合成纳米复合材料
DOI：
10.1016/j.eurpolymj.2014.12.007
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发表时间：
2015
影响因子：
6
通讯作者：
Heloise. O. Pastore
中科院分区：
文献类型：
--
作者：
Sabina Zakrzewska;Aline. C. dos Ouros;Nicole Schramm;Dieter Jehnichen;Liane Häussler;Doris Pospiech;Brigitte Voit;Ulrich Schulze;Heloise. O. Pastore
以有机改性的类钾霞石结构磷酸铝为原料，采用聚丙烯（PP）原位聚合法制备了PP纳米复合材料。该填料具有层状结构，在层间空间中排列有不同的有机侧基。X射线衍射（XRD）和透射电子显微镜（TEM）分析表明，原位合成后，PP基体中的填料发生了剥离，形成了纳米复合材料。相比之下，在熔融复合材料中，填料团聚，仅获得微复合材料。
Organo-modified aluminophosphate with kanemite-like structure was used for thein situsynthesis of polypropylene (PP) nanocomposites performed by metallocene-catalyzed polymerization. The filler exhibits a layered structure with different organic pending groups arranged in the interlayer space. Melt-compounded composites with the same filler were prepared for comparison.X-ray diffraction (XRD) and transmission electron microscopy (TEM) proved exfoliation of the filler in the PP matrix and formation of nanocomposite afterin situsynthesis. In contrast, in the melt-composites the filler is agglomerated and only microcomposites are obtained.