SYNTHESIS AND CHARACTERIZATION OF DIMETHACRYLATE MACROMONOMER USING MAGHNITE-H+ AS AN ECO-FRIENDLY CATALYST
DOI:
https://doi.org/10.4314/jfas.v12i2.19Keywords:
Maghnite-H ; glycidyl methacrylate; maleic anhydride; bis-methacrylate macromonomer.Abstract
The dimethacrylate macromonomer named bis (2-hydroxy-3-(méthacryloyloxy) propyl) fumarate (HMPF), was synthesized by ring opening reaction of epoxide function of glycidyl methacrylate (GMA) with maleic anhydride (MA) in presence of Maghnite-H+ as a catalyst at room temperature and at free solvent. The Maghnite-H+ is a proton exchanged montmorillonite clay it is an Algerian clay activated by sulfuric acid 0,23M. The HMPF was characterized by FT-IR, 1H NMR and 13C NMR spectroscopic techniques. A kinetic study was carried out to determine the amount of the catalyst (5, 10, 20 and 30%) which will give a better yield of the synthesis reaction. The yield of the reaction was 62.23% for a quantity of Maghnite-H+ (20% relative to the monomer) and for a reaction time of 72h.
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