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

Yalcin G., KAYAN A.

APPLIED CATALYSIS A-GENERAL, vol.433, pp.223-228, 2012 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 433
  • Publication Date: 2012
  • Doi Number: 10.1016/j.apcata.2012.05.019
  • Journal Name: APPLIED CATALYSIS A-GENERAL
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Page Numbers: pp.223-228
  • Keywords: Metal alkoxides, Phthalate catalysts, Ring-opening, Pyridine-2-carboxylate catalysts, STRUCTURAL-CHARACTERIZATION, ADDITION-REACTIONS, COMPLEXES, ALKOXIDES, ACID, ESTERS
  • Kocaeli University Affiliated: Yes

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 H-1, C-13 NMR and gel permeation chromatography (GPC). (C) 2012 Elsevier B.V. All rights reserved.