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High-speed compression molding of continuous carbon fiber reinforced polypropylene

机译:连续碳纤维增强聚丙烯的高速压缩成型

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Carbon Fiber Reinforced Plastics (CFRP) are expected to be used for car component parts because of their superior mechanical properties and lightweight properties. Automotive lightening is expected by using CFRP for these parts. In addition, considering process time and recyclability, it is desirable to use thermoplastics resin for the matrix. Polypropylene (PP) is a typical thermoplastic and superior material for its low specific gravity, good moldability and low environmental burden, therefore the rate of PP being used has increased remarkably and it is expected to be used for the matrix of CFRP. However, since PP has poor interfacial adhesion to CF, improvement of interfacial properties is necessary. In this study, maleic anhydride-modified polypropylene was used to improve the interfacial adhesion between carbon fiber and matrix resin. Continuous carbon fiber reinforced polypropylene was fabricated by the high-speed compression molding method, and the effect of maleic anhydride-modified polypropylene on the mechanical properties of CFRP was examined. In consequence, the mechanical properties of CF/PP were improved by supplying 12.5wt% of maleic anhydride modified PP to PP.
机译:碳纤维增强塑料(CFRP)的预期使用,因为它们的优异的机械性能和轻量性的汽车部件。汽车轻量化是通过使用CFRP对这些部件的预期。另外,考虑到处理时间和可回收性,理想的是使用热塑性树脂为基质。聚丙烯(PP)是正在使用已经显着地增加其比重低,良好的成型性和低环境负担的典型热塑性和优异的材料,因此,PP的速率和预期用于CFRP的矩阵。然而,由于PP具有差的界面粘附到CF,界面性质的改进是必要的。在这项研究中,马来酸酐改性的聚丙烯来提高碳纤维和基体树脂之间的界面粘合性。连续碳纤维增强聚丙烯是由高速压缩成型法,和马来酸酐改性聚丙烯上的CFRP的机械性能的影响制造进行了研究。结果,CF / PP的机械性能是由供给改性PP PP向马来酸酐的12.5wt%的提高。

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