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首页> 外文期刊>Journal of Applied Polymer Science >DEFORMATION BEHAVIOR OF POLYPROPYLENE/POLYAMIDE BLENDS
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DEFORMATION BEHAVIOR OF POLYPROPYLENE/POLYAMIDE BLENDS

机译：聚丙烯/聚酰胺共混物的变形行为

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摘要

In recent years, blend technologies have been developed to modify mechanical properties of polypropylene by dispersing discrete stress-concentrating polyamide microparticles in the continuous polypropylene matrix. The work presented here is concerned with the examination of fundamental relationships between blend morphologies and mechanical properties, especially plastic deformation mechanisms at high strain. Polyamide-6, polyamide-12, polyamide-12 plasticized with N-butyl-phenylsulfonamide, and polyamide-6 in situ embedded in a shell composed of polyamide-36,6 have been used as blend components in polypropylene blends containing 30 vol % of these polyamides. For modification of interfacial adhesion, maleic-anhydride-grafted-polypropylene has been added. When the yield stresses of polyamide and polypropylene are matched, large elongations at break of the resulting blends can be achieved. The influence of crazing, voiding, and shear yielding has been elucidated by transmission electron microscopic analysis of strained blend samples. (C) 1995 John Wiley and Sons, Inc. [References: 14]
机译：近年来，已经开发了通过将离散的应力集中式聚酰胺微粒分散在连续的聚丙烯基体中来改变聚丙烯的机械性能的共混技术。此处介绍的工作涉及检查共混物形态与机械性能之间的基本关系，尤其是高应变下的塑性变形机制。聚酰胺6，聚酰胺12，用N-丁基-苯基磺酰胺增塑的聚酰胺12和原位嵌入由聚酰胺36,6组成的壳中的聚酰胺6已被用作含30％（体积）的聚丙烯共混物中的共混组分。这些聚酰胺。为了改变界面粘合性，已经添加了马来酸酐接枝的聚丙烯。当聚酰胺和聚丙烯的屈服应力匹配时，可以实现所得共混物的大断裂伸长率。裂纹，空隙和剪切屈服的影响已通过应变混合物样品的透射电子显微镜分析得以阐明。 （C）1995 John Wiley and Sons，Inc. [参考：14]

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