Materials and Manufacturing Processes

Volume 29, 2014 -Issue 4Pages 403-407

Structural Improvement of Pitch-Derived Mesocarbon Microbeads by Preprocessing Raw Material

Peng Liu, Qicheng Liu,Shuguang Chen &Haibin LPages 403-407

Received 30 Sep 2013

Accepted 27 Jan 2014

Accepted author version posted online: 20 Feb 2014

Published online: 20 Feb 2014

· https://doi.org/10.1080/10426914.2014.892970

Abstract

Mesocarbon microbeads (MCMBs) were synthesized by pyrolyzing the hexane insoluble (HI) extracted from the coal-tar pitch in the dimethyl silicone dispersant. Structural development of product thus prepared was investigated by X-ray diffractometer, scanning electron microscope and particle size analyzer. Experimental results indicated that the HI-derived MCMBs possessed well-graphitized structure, excellent spherical morphology and even particle size due to preprocessing of the pitch raw material. It was suggested that structural improvement benefited from homogenous nucleation and good fluidity of the mesophase spherules.