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Esterification reaction using solid heterogeneous acid catalysts under solvent-less condition |
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| Authors: | Firdovsi Tataroglu Sejidov Yagoub Mansoori Nadereh Goodarzi |
| Institution: | aChemistry Department, Azad Islamic University of Tabriz, Darvaze Tehran, Tabriz, Iran bFaculty of Chemistry, Iran University of Science and Technology, Tehran, Iran |
| Abstract: | The preparation of di-2-ethylhexylphthalate (DOP) via esterification reaction of phthalic anhydride by 2-ethylhexanol in the presence of solid acidic catalysts has been investigated. The used catalysts were natural zeolite, synthetic zeolites (ZEOKAR-2, ASHNCH-3), heteropolyacid H4Si(W3O10)4 and sulfated ZrO2. The reactions were carried out under solvent-less conditions. It was observed that sulfated ZrO2 has higher reactivity and efficiency among the investigated catalysts. In the next part of the work, important plasticizers and ester base oils have prepared through esterification reaction of anhydrides and acids by alcohols in the presence of sulfated zirconia. |
| Keywords: | Esterification Solid catalyst DOP Zeolite Sulfated zirconia DOA DOS |
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