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首页> 外文期刊>Polymer Composites >Modified Continuous Carbon Fiber-Reinforced Poly(phthalazinone ether sulfone ketone) Composites by Blending Polyetherimide and Polyethersulfone
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Modified Continuous Carbon Fiber-Reinforced Poly(phthalazinone ether sulfone ketone) Composites by Blending Polyetherimide and Polyethersulfone

机译：聚醚酰亚胺与聚醚砜共混改性的连续碳纤维增强聚苯并嗪酮醚砜酮复合材料

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摘要

Poly(phthalazinone ether sulfone ketone) (PPESK) is a novel high performance thermoplastic with outstanding high temperature resistance and excellent mechanical properties and therefore, it is a very ideal candidate matrix for advanced composites. However, its high melting viscosity makes the melting process difficult. In this article, two well-known high performance thermoplastics, polyetherimide (PEI) and polyethersulfone (PES) were introduced to PPESK in order to reduce the melting viscosity of PPESK and to improve the properties of composites. The effect of addition of PEI and PES on the resultant composites was studied. A series of unidirectional composites were made of PPESK and its PEI and PES blends as matrix and continuous carbon fiber (T700) as reinforcement. The solution pre-pregging method and hot-press molding method were used in preparation of composites. The effects of polymer blends matrix on mechanical properties, interfacial adhesion, and fracture mode were studied by three points bending, interlaminar shearing, porosity, and scanning electron microscope test. The results show that the mechanical properties and interfacial adhesion increases, and the porosity decrease after blending PEI or PES in the matrix. Addition of PEI and PES to PPESK results in an obvious transition of fracture mode.
机译：聚（酞嗪酮醚砜酮）（PPESK）是一种新型高性能热塑性塑料，具有出色的耐高温性和出色的机械性能，因此，它是用于高级复合材料的非常理想的候选基体。但是，其高的熔融粘度使熔融过程困难。在本文中，将两种著名的高性能热塑性塑料聚醚酰亚胺（PEI）和聚醚砜（PES）引入PPESK中，以降低PPESK的熔融粘度并改善复合材料的性能。研究了添加PEI和PES对所得复合材料的影响。由PPESK及其PEI和PES共混物制成的一系列单向复合材料为基质，连续碳纤维（T700）为增强材料。采用溶液预浸法和热压成型法制备复合材料。通过三点弯曲，层间剪切，孔隙率和扫描电子显微镜试验研究了聚合物共混物基质对机械性能，界面粘附性和断裂模式的影响。结果表明，在基体中掺入PEI或PES后，机械性能和界面附着力增加，孔隙率降低。将PEI和PES添加到PPESK会导致断裂模式明显过渡。

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