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Synthesis of dioctyl phthalate using acid functionalized ionic liquid as catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
52579 46877 2007 4 PDF Available
Title
Synthesis of dioctyl phthalate using acid functionalized ionic liquid as catalyst
Abstract

Dioctyl phthalate were synthesized by using acid functionalized ionic liquid as catalyst. The results indicated that HSO3-functionalized Brønsted acidic ionic liquids show better catalytic and reusable performance than non-functionalized ionic liquids or the combination of neutral ionic liquids and Brønsted acid. Under the optimum conditions, using 1-methyl-3-(3-sulfopropyl)-imidazolium hydrogen sulfate as catalyst, the conversion of phthalic anhydride was 98%. After easily separated from the products the ionic liquid could be reused 8 times without any disposal, and the conversion of phthalic anhydride was not less than 95%. Therefore, an environmental friendly approach for the synthesis of dioctyl phthalate is provided.

Keywords
Functionalized ionic liquid; Esterification; Catalyst; Dioctyl phthalate
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Synthesis of dioctyl phthalate using acid functionalized ionic liquid as catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 11, November 2007, Pages 1759–1762
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
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