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POLYMER NANOCOMPOSITES OF POLYAMIDE/POLYETHYLENE/ FUNCTIONALIZED CARBON FIBRES
Abstract
In this paper, combined effects of carbon fibres treatment and compatibilizer polymers (PE-g-MA) on the structure and properties of PA/PE/PE-g-MA/ functionalized carbon fibres composites were studied. The optimum formulation was used to prepare a series of nanocomposites under different technological conditions. Also, a correlation between their physico-mechanical properties and IR spectra (ATR technique) was proposed. The carbon fibres functionalisation consisted in oxidizing the nanoparticles with oxidant mixture of K2Cr2O7/H2SO4. The carbon fibers were immersed in the oxidant mixture at 60В°C for 2h - followed by washing, drying and control. The nanocomposites based on PA/PE-g-MA/PE/functionalized carbon fibres were characterized by scanning electron microscopy (SEM), Fourier transform infrared spectrum (FT-IR), and physico-mechanical tests.
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