Abstract
Abstract The aim of this study was to investigate the effect of the aminated polyphenylene sulfide (PPS-NH 2 ) used as compatibilizer on the mechanical properties of carbon fiber (CF) reinforced polyphenylene sulfide (PPS) composites. The compatibilizers PPS-NH 2 which were synthesized by the condensation polymerization of sodium sulfide (Na 2 S), p-dichlorobenzene (DCB), and the third active monomer 2,5-dichloroaniline (DCA). Composites with 20 wt% CF, 75 wt% PPS and 5 wt% PPS-NH 2 which were synthesized by different mole ratios of Na 2 S/DCB/DCA were prepared by melt blending and injection molding. According to the results of mechanical properties tests, dynamic mechanical analysis (DMA), microbond test (apparent interfacial shear strength, τ app ) and scanning electron microscopy (SEM), the compatibilizers PPS-NH 2 could improve the macro-mechanical properties and interfacial bonding between CF and PPS matrix.
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