Structure and tensile properties of polypropylene/carbon nanotubes composites prepared by melt extrusion

• Autorzy: Liu, Y. , Zuo, J. , Qin, J. , Li, C.
• Języki publikacji: EN

Abstrakty

EN

Polypropylene/carbon nanotubes (PP/CNTs) nancomposites were prepared with a single screw extruder by adding maleic anhydride-grafted poplypropylene (PP-g-MAH) as compatibilizer to polypropylene (PP) with different amounts of carbon nanotubes (CNTs) in the range of 0.1 – 0.7 wt.%. Structure and morphology of the prepared samples were examined by Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), polarizing light microscopy (PLM) and X-ray diffraction (XRD). The results showed that PP spherulites decreased in size when CNTs were introduced into the polymer. Mechanical properties of the samples were also studied. Tensile tests showed that with increasing amount of CNTs the strain at break decreased whereas the Young’s modulus was improved of 16.41 % to 36.05 % and tensile strength of 36.67 % to 64.70 % compared to pristine PP. The SEM microphotographs showed that majority of the CNTs were dispersed individually and oriented along the shear flow direction.

Słowa kluczowe

EN

carbon nanotube; orientation; nanocomposites; polypropylene; tensile properties

• Czasopismo: Materials Science Poland
• Rocznik: 2014
• Tom: Vol. 32, No. 3
• Strony: 442--447
• Opis fizyczny: Bibliogr. 22 poz., rys., tab., wykr.

Twórcy

autor

Liu, Y.

• College of Material Science and Engineering, Shenyang Ligong University, Shenyang, Liaoning 110168, China

autor

Zuo, J.

• College of Material Science and Engineering, Shenyang Ligong University, Shenyang, Liaoning 110168, China,

autor

Qin, J.

• College of Material Science and Engineering, Shenyang Ligong University, Shenyang, Liaoning 110168, China

autor

Li, C.

• College of Material Science and Engineering, Shenyang Ligong University, Shenyang, Liaoning 110168, China

Bibliografia

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Identyfikatory

DOI

10.2478/s13536-013-0198-1