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首页> 外文期刊>Polymers >The Effect of Injection Molding Temperature on the Morphology and Mechanical Properties of PP/PET Blends and Microfibrillar Composites
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The Effect of Injection Molding Temperature on the Morphology and Mechanical Properties of PP/PET Blends and Microfibrillar Composites

机译：注射温度对PP / PET共混物和微原纤复合材料形态和力学性能的影响

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Within this research the effect of injection molding temperature on polypropylene (PP)/poly(ethylene terephthalate) (PET) blends and microfibrillar composites was investigated. Injection molding blends (IMBs) and microfibrillar composites (MFCs) of PP/PET have been prepared in a weight ratio 70/30. The samples were processed at three different injection molding temperatures ( T im ) (210, 230, 280 °C) and subjected to extensive characterization. The observations from the fracture surfaces of MFCs showed that PET fibers can be achieved by three step processing. The results indicated that T im has a big influence on morphology of IMBs and MFCs. With increasing the T im , distinctive variations in particle and fiber diameters were noticed. The differences in mechanical performances were obtained by flexural and impact tests. Establishing relationships between the processing parameters, properties, and morphology of composites is of key importance for the valorization of MFC polymers.
机译：在这项研究中，研究了注塑温度对聚丙烯（PP）/聚对苯二甲酸乙二酯（PET）共混物和微原纤复合材料的影响。 PP / PET的注塑共混物（IMB）和微原纤复合材料（MFCs）的重量比为70/30。在三个不同的注塑温度（T im）（210、230、280°C）下对样品进行处理，并进行了广泛的表征。从MFC的断裂表面的观察表明，可以通过三步加工来获得PET纤维。结果表明，T im对IMB和MFC的形态有很大的影响。随着T im的增加，注意到颗粒和纤维直径的明显变化。通过弯曲和冲击测试获得机械性能的差异。在复合材料的加工参数，性能和形态之间建立关系对于MFC聚合物的增值至关重要。

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