1Department of Chemical Engineering and Applied Chemistry, Atilim University, 06836, Ankara, Turkey
2Turkish Standards Institution, 06100, Ankara, Turkey
3Inovasens Ltd., Izmir Technopark, 35430, Izmir, Turkey
Adv. Mater. Lett., 2020, 11 (4), 20041501
Publication Date (Web): Mar 24, 2020
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Glass fiber (GF) and mica (MC) filled polycarbonate (PC) composites were fabricated using extrusion process due to considerable applications of PC as recyclable and thermo-stable material in mainly medical, packaging and transportation fields. Tensile, hardness and impact tests, differential scanning calorimetry (DSC) and thermal gravimetric analysis (TGA), melt flow index (MFI) test and scanning electron microscopy (SEM) findings were reported. Mechanical test results show that tensile strength and modulus are improved for higher GF and lower MC contents. The necking behavior of PC disappear after MC and GF inclusions due to the reduction of ductility. Impact strength of PC is reduced with both additions of GF and MC. Glass transition temperatures (Tg) of PC and relevant composites were estimated by the help of DSC analysis. Tg of PC hifts to higher temperatures by the addition of GF. According to TGA results, GF and MC additions cause remarkable increase in thermal stability of PC. MFI of PC extends up to higher values with increase in GF concentration. SEM analysis reveals that GF and MC display nonhomogeneous dispersion for their high loading ratios. Individual inclusions of additives yield higher mechanical and thermal performance than hybrid composites.
Polycarbonate, glass fiber, mica, extrusion, hybrid composites.