مقاله SDS-Functionalization and its effects on dispersion of carbon nanotubes in hydroxyapatite matrix

 مقاله SDS-Functionalization and its effects on dispersion of carbon nanotubes in hydroxyapatite matrix

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مقاله SDS-Functionalization and its effects on dispersion of carbon nanotubes in hydroxyapatite matrix دارای 9 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله SDS-Functionalization and its effects on dispersion of carbon nanotubes in hydroxyapatite matrix :

سال انتشار: 1390

محل انتشار: هفتمین کنگره ملی مهندسی شیمی

تعداد صفحات: 9

نویسنده(ها):

j Jaafaripour Maybody – Department Materials Engineering, Science and Research Branch Islamic Azad University of Tehran, Tehran, Iran
a Nemati – aDepartment Materials Engineering, Science and Research Branch Islamic Azad University of Tehran, Tehran, Iran Department of Materials Science and Engineering, Sharif University of Technology, Tehran, Iran
e Salahi – Materials and Energy Research Center, Karaj, Iran
m.h Amin – Materials and Energy Research Center, Karaj, Iran

چکیده:

In the present study, stable homogeneous dispersions of carbon nanotubes (CNTs) have been prepared using dispersant (Sodium Dodecyl Sulfate -SDS) as dispersing agent. By applying sol-gel method, dispersion in the hydroxyapatite matrix and its effects on the microstructure were brieflyinvestigated. The chemical and phase composition, structure and morphological and size analyses were performed using XRD, SEM, TEM/SAED/EDX. The influences of different dispersing agents (SDS) as a benchmark for future dispersion experiments and excitation wavelength arediscussed and the results are compared to the commonly used UV-Visible spectroscopic analysis. The results indicated that synthesis of hydroxyapatite particles in the presence of the CNTs had thebest result in homogenization of the carbon nanotube dispersion and The average crystallite size of heat-treated (at 600°C) samples, estimated by Scherrer,s equation was found to be ~50-60 nm that confirmed by TEM.

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مقاله SDS-Functionalization and its effects on dispersion of carbon nanotubes in hydroxyapatite matrix