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2005•Journal of Tangshan CollegeRequires access

Synthesis of Di-n-octyl Phthalate By Solid Superacid Catalyst SO_(2-)~4/TiO_2-Zr-O_2

Zhang Yan-li

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Abstract

The solid superacid SO 4 2-/ TiO 2-ZrO 2 is prepared and Dinoctyl Phthalate(DnOP) is synthesized with this catalyst. The reaction conditions are studied. The studies show that the solid superacid SO 4 2-/ TiO 2-ZrO 2 Is an excellent catalyst for the synthesis of DnOP. The optimum reaction conditions are: molar ratio of alcohol to phthalic anhydride 2.8∶1, amount of the catalyst 10% upon phthalic anhydride by weight, and the reaction time 3.0h. Under these conditions, the conversation of phthalic anhydride is up to 98.8 % .

About this research paper

What this paper is about

The solid superacid SO 4 2-/ TiO 2-ZrO 2 is prepared and Dinoctyl Phthalate(DnOP) is synthesized with this catalyst. The reaction conditions are studied. The studies show that the solid superacid SO 4 2-/ TiO 2-ZrO 2 Is an excellent catalyst for the synthesis of DnOP. The optimum reaction conditions are: molar ratio of alcohol to phthalic anhydride 2.8∶1, amount of the catalyst 10% upon phthalic anhydride by weight, and the reaction time 3.0h. Under these conditions, the conversation of phthalic anhydride is up to 98.8 % .

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Available abstract

The solid superacid SO 4 2-/ TiO 2-ZrO 2 is prepared and Dinoctyl Phthalate(DnOP) is synthesized with this catalyst. The reaction conditions are studied. The studies show that the solid superacid SO 4 2-/ TiO 2-ZrO 2 Is an excellent catalyst for the synthesis of DnOP. The optimum reaction conditions are: molar ratio of alcohol to phthalic anhydride 2.8∶1, amount of the catalyst 10% upon phthalic anhydride by weight, and the reaction time 3.0h. Under these conditions, the conversation of phthalic anhydride is up to 98.8 % .

Key concepts: Superacid, Phthalic anhydride, Catalysis, Molar ratio, Chemistry, Phthalic acid, Alcohol, Organic chemistry

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