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Microwave synthesis of hydrophobic Ti-TUD-1 mesoporous silica for catalytic oxidation of cycloolefins

Paper ID Volume ID Publish Year Pages File Format Full-Text
39761 45835 2014 6 PDF Available
Title
Microwave synthesis of hydrophobic Ti-TUD-1 mesoporous silica for catalytic oxidation of cycloolefins
Abstract

•Ti TUD-1 was synthesized in shorter time using microwave heating.•Three dimensional mesopore structures were obtained with narrowed pore size distribution and high surface area (>700 m2/g).•Controlling the hydrophobic properties of Ti-TUD-1 by microwave improves catalytic activity.•Improved catalytic activity in cycloolefin oxidation reaction.

A simple microwave method was successfully adopted for the synthesis of various amount of Ti loaded TUD type mesoporous silica (Ti-TUD-1) using triethanolamine (TEA) as both templating and chelating agent. The time-cost was reduced dramatically due to the microwave heating which could accelerate the atrane formation as well as their following hydrolysis and condensation steps. Three dimensional mesopore structures were obtained with narrowed pore size distribution (2–8 nm) and high surface area (700–1000 m2/g). Ti species incorporated as tetrahedral structure were active in the liquid phase oxidation of cycloolefins. Further, microwave synthesis brought the hydrophobic nature to Ti-TUD-1 which could be attributed to the improved catalytic activity compared to conventionally prepared catalysts.

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Keywords
Microwave synthesis; Ti- TUD-1; Mesoporous silica; Oxidation; Cycloolefin
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Microwave synthesis of hydrophobic Ti-TUD-1 mesoporous silica for catalytic oxidation of cycloolefins
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 476, 22 April 2014, Pages 39–44
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
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Full-text PDF Download
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