Journal
MATERIALS LETTERS
Volume 60, Issue 9-10, Pages 1137-1139Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2005.10.094
Keywords
surface-initiated; atom transfer radical polymerization; chitosan; graft polymerization; polystyrene
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Polystyrene grafted chitosan particles (PS-Chitosan) were successfully prepared by the surface-initiated atom transfer radical polymerization (SI-ATRP) of styrene from the macroinitiators, bromo-acetyl chitosans with their surface amino and hydroxyl groups, in toluene system with the catalysts of 1,10-phenanthroline and Cu(I)Br. The conversion of monomer (C%) and the percentage of grafting (PG%) increased with the increasing of the polymerizing time and they reached 5.31% and 19.12% after a polymerizing time of 5 h, respectively. The products were characterized by elemental analysis (EA), Fourier transform infrared (FTIR), differential scanning calorimetry (DSC) and X-ray diffraction (XRD). (c) 2005 Elsevier B.V. All rights reserved.
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