ATRP grafting of styrene from benzyl chloride functionalized polysiloxanes: An AFM and TGA study of the Cu(0)/bpy catalyst

Taran, Elena, Donose, Bogdan, Higashitani, Ko, Asandei, Alexandru D., Scutaru, Dan and Hurduc, Nicolae (2006) ATRP grafting of styrene from benzyl chloride functionalized polysiloxanes: An AFM and TGA study of the Cu(0)/bpy catalyst. European Polymer Journal, 42 1: 119-125.


Author Taran, Elena
Donose, Bogdan
Higashitani, Ko
Asandei, Alexandru D.
Scutaru, Dan
Hurduc, Nicolae
Title ATRP grafting of styrene from benzyl chloride functionalized polysiloxanes: An AFM and TGA study of the Cu(0)/bpy catalyst
Journal name European Polymer Journal  (ERA 2012 Listed)    (ERA 2010 Rank A)   Check publisher's open access policy
Publication date 2006-01
Sub-type Article
DOI 10.1016/j.eurpolymj.2005.06.030
Volume number 42
Issue number 1
ISSN 0014-3057
1873-1945
Start page 119
End page 125
Total pages 7
Place of publication Oxford, U. K.
Publisher Pergamon Press
Language eng
Subject 091209 Polymers and Plastics
030306 Synthesis of Materials
030304 Physical Chemistry of Materials
0303 Macromolecular and Materials Chemistry
Formatted abstract Various combinations of Cu(0), CuCl, 2,2′-bipyridine (bpy) and 1,10-phenanthroline (phen) were used as catalysts for the grafting polymerizations of styrene from polysiloxane macroinitiators functionalized with benzyl chloride. While Cu(0)/bpy alone promotes the grafting, narrower polydispersities were obtained in the presence of CuCl. Analysis of the Cu(0) surface before and after polymerization by a combination of AFM, TGA and FTIR investigations reveals the formation of bpy or phen films on Cu(0). In the presence of CuCl, the ligand film appears decorated with CuCl particles which increase in size with increasing the CuCl concentration. The initial layer occurs most likely as a result of complexation between the ligands and the Cu(0) surface and acts as a support for the rest of the film. These observations are consistent with the film formation on Cu(0) from related nitrogen donors and indicate that the reactivity of the Cu surface may depend not only on its prior treatment but also on the deposition of ligands from the reaction mixture.
© 2005 Elsevier Ltd. All rights reserved.
Keyword ATRP
AFM
Polysiloxane macroinitiators
Copper
Bipyridine
Q-Index Code C1

 
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