IngentaConnect Fast Track Article: Milling media effects on synthesi...tal hydroxyapatite nanoparticles

Authors: Pezhman Honarmandi, Peyman Honarmandi, A. Shokuhfar, B. Nasiri-Tabrizi, R. Ebrahimi-Kahrizsangi

Abstract:

This paper presents a dry mechanochemical process to produce hydroxyapatite (HAp) nanoparticles. Two distinct chemical reactions are introduced to prepare HAp powders using milling process. Structural and morphological properties of the obtained materials are studied by X-ray diffraction and transmission electron microscopy. The results reveal that the single crystal HAp nanoparticles have been successfully produced in metallic and polymeric vials through two different experimental procedures. Tempered chrome steel and polyamide-6 materials are adopted as the metallic and polymeric vials respectively. Nanoellipse, nanorod and nanosphere powders are obtained in these experimental procedures. Moreover, the obtained HAp powders through two distinct reactions exhibit average sizes about 12 and 15 nm using the tempered chrome steel vials, and about 16 and 17 nm using the polyamide-6 vials. The results indicate that single crystal HAp nanoparticles produced in polyamide-6 vials have suitable morphology and high production efficiency without any chemically stable contaminations.

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Milling media effects on synthesis, morphology and structural characteristics of single crystal hydroxyapatite nanoparticles