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Catalytic oxidative polymerization of aniline by using transition-metal tetrasulfonated phthalocyanine

Paper ID Volume ID Publish Year Pages File Format Full-Text
43502 45973 2007 6 PDF Available
Title
Catalytic oxidative polymerization of aniline by using transition-metal tetrasulfonated phthalocyanine
Abstract

This is the first report on the polymerization of aniline by using water-soluble transition-metal tetrasulfonated phthalocyanine (TSPc). The polymerization performed at the presence of the sulfonated polystyrene as a template and water-soluble, conducting polyaniline (PANI) was obtained. The reactions were carried out with different catalysts, such as iron, cobalt and manganese phthalocyanine. For Fe-TSPc, the yield and rate of polymerization of aniline are highest compared to other methallo phthalocyanine. The reactions carried out with different pH, monomer, catalyst, template and initiator concentrations and the best conditions are reported. The formation of conducting and electroactive form of the polyaniline was confirmed through UV–vis and FT-IR spectroscopy, four-point probe conductivity measurements and cyclic voltammetry.

Graphical abstractA new enzymatic approach was developed to synthesize water-soluble conducting polyaniline (PANI) in the presence of sulfonated polystyrene. There exists a need to develop a more robust mimetic catalyst alternative for enzyme. Different water-soluble metallophthalocyanines as a cost-effective and stable catalyst were used for the polymerization of aniline. The catalytic behavior of these phhtalocyanines depends upon different parameters, such as acidity of solvent and concentration of monomer, catalyst, etc.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Polyaniline; Tetrasulfonated phthalocyanine; Oxidative polymerization; Water-soluble
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Catalytic oxidative polymerization of aniline by using transition-metal tetrasulfonated phthalocyanine
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 328, Issue 1, 31 August 2007, Pages 52–57
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us