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Title: Multifunctional mesoporous silica catalyst

Patent ·
OSTI ID:1177030

The present invention provides bifunctional silica mesoporous materials, including mesoporous silica nanoparticles ("MSN"), having pores modified with diarylammonium triflate and perfluoroaryl moieties, that are useful for the acid-catalyzed esterification of organic acids with organic alcohols.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC02-07CH11358
Assignee:
Iowa State University Research Foundation, Inc. (Ames, IA)
Patent Number(s):
8,993,793
Application Number:
13/361,613
OSTI ID:
1177030
Resource Relation:
Patent File Date: 2012 Jan 30
Country of Publication:
United States
Language:
English

References (13)

Use of functionalized mesoporous silicates to esterify fatty acids and transesterify oils patent October 2006
??-functionalized mesoporous MCM-41 silica shows high activity and selectivity for carboxylic acid esterification and Friedel?Crafts acylation reactions journal April 2005
Organosulfonic acid-functionalized mesoporous silicas for the esterification of fatty acid journal October 2003
Design of multifunctionalized mesoporous silicas for esterification of fatty acid journal January 2005
Acidic Mesoporous Silica for the Catalytic Conversion of Fatty Acids in Beef Tallow journal April 2006
Synthesis and Characterization of the Amphoteric Amino Acid Bifunctional Mesoporous Silica journal May 2007
Pentafluorophenylammonium triflate (PFPAT): an efficient, practical, and cost-effective catalyst for esterification, thioesterification, transesterification, and macrolactone formation journal January 2006
Diphenylammonium triflate (DPAT): efficient catalyst for esterification of carboxylic acids and for transesterification of carboxylic esters with nearly equimolar amounts of alcohols journal July 2000
Mesoporous organosilicas containing disulfide moiety: Synthesis and generation of sulfonic acid functionality through chemical transformation in the pore wall journal August 2008
Synthesis of a Novel Heterogeneous Strong Acid Catalyst from p-Toluenesulfonic Acid (PTSA) and its Catalytic Activities journal May 2008
Conformations of Silica-Bound (Pentafluorophenyl)propyl Groups Determined by Solid-State NMR Spectroscopy and Theoretical Calculations journal September 2010
Efficient Two-Step Synthesis of Biodiesel from Greases journal January 2008
Rational Catalyst Design: A Multifunctional Mesoporous Silica Catalyst for Shifting the Reaction Equilibrium by Removal of Byproduct journal May 2011

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