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Synthesis and characterization of Zr, Ti, Al-phthalate and pyridine-2-carboxylate compounds and their use in ring opening polymerization

Paper ID Volume ID Publish Year Pages File Format Full-Text
40891 45869 2012 6 PDF Available
Title
Synthesis and characterization of Zr, Ti, Al-phthalate and pyridine-2-carboxylate compounds and their use in ring opening polymerization
Abstract

Zirconium, titanium and aluminum phthalate (PH, C8H4O4) and pyridine-2-carboxylate (Pyca, C6H4NO2) compounds were prepared by reaction of Zr, Ti and Al-alkoxides with phthalic acid (PHA) and pyridine-2-carboxylic acid (PycaH) in alcohol. All new complexes were characterized by a combination of elemental analysis, NMR and FTIR spectroscopy and used in polymerization of 3-glycidyloxypropyltrimethoxysilane (GPTS) in order to see their catalytic activity over epoxides. Especially, Al, Ti and Zr-phthalate catalysts were more effective in ring opening of GPTS when compared to Al, Ti and Zr-pyridine-2-carboxylate catalysts. Poly-GPTS were characterized by 1H, 13C NMR and gel permeation chromatography (GPC).

Graphical abstract.Figure optionsDownload full-size imageDownload high-quality image (95 K)Download as PowerPoint slideHighlights► Synthesis of new catalysts of zirconium, titanium and aluminum. ► High activity of the catalysts in mild conditions with respect to the reported acid catalysts. ► Application of solvent free conditions in the polymerization reactions. ► Characterization of poly-GPTS by GPC and spectroscopic methods.

Keywords
Metal alkoxides; Phthalate catalysts; Ring-opening; Pyridine-2-carboxylate catalysts
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Synthesis and characterization of Zr, Ti, Al-phthalate and pyridine-2-carboxylate compounds and their use in ring opening polymerization
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 433–434, 8 August 2012, Pages 223–228
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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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