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A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres

Paper ID Volume ID Publish Year Pages File Format Full-Text
49602 46756 2014 4 PDF Available
Title
A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres
Abstract

•A novel nanoreactor was fabricated.•It showed excellent on/off controlled catalytic activity.•Recyclable catalytic processes show thermo-responsive behavior.

A nanoreactor with thermo-responsive poly(N-isopropylacrylamide) (PNIPAM) coated on the external pores of SBA-15 and a Keggin-type polyoxometalate (POM), molybdovanadophosphoric acid (H5PV2Mo10O40) loaded into the internal pores were fabricated. It showed excellent catalytic activity toward catalytic wet hydrogen peroxide oxidation (CWPO) of phenol at 25 °C (below lower critical solution temperature (LCST) of PNIPAM). When the temperature was 50 °C (above LCST), the rate of CWPO dropped significantly. These results indicated that the nanoreactor shows the repeated on/off catalytic activity switched by temperature control. The recyclable catalytic processes were successfully conducted.

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Keywords
Smart catalysts; Thermo-responsive; Polyoxometalates; Nanoreactors
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A recyclable thermo-responsive catalytic system based on poly(N-isopropylacrylamide)-coated POM@SBA-15 nanospheres
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 51, 5 June 2014, Pages 29–32
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
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
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