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Technology Details

Catalyst for Selective Acid Transesterfication
Reference: 3881
Summary: Iowa State University and Ames Laboratory are looking for industry partners to commercialize a newly developed bi-functional, heterogeneous catalyst that is designed to expel aqueous byproducts formed during transesterfications reactions.
Description: The ability to separate functionalized mesoporous silica nanoparticles (MSNs) for recycling has enabled applications of these materials as heterogeneous catalysts in many chemical transformations. However, their sensitivity to hydrolysis and subsequent loss of catalytic performance has reduced the economic benefit potential of MSN catalysts. To address this drawback, Iowa  State  University  and  Ames  Laboratory  researchers  have  developed  an  efficient bifunctional MSN catalyst for esterification reactions. Superior reactivity has been achieved using this catalyst by supplementing the catalytic groups with secondary functionality designed to expel the resulting aqueous by-products, thereby preventing hydrolysis of the silica surface and plugging of the nano-environment. The principle employed in the architecture of this new catalyst makes it suitable for reactions involving dehydration and yields compounds of high purity.
  • Robust structure enables multiple recycling
  • High purity yields are achieved by efficiently expelling by-products of reaction
  • Enhanced reactivity compared to existing commercial catalysts
Application: acid transesterfication, dehydration reaction

Lab trials have been successful

Supporting Documents:
ISURF #3881 Supporting Document
Patents: 9000209 (Issued April 7, 2015) Entitled "Method of Regioselective Synthesis of Substituted "
License Associate: Craig Forney
Phone: 515-294-9513

heterogeneous catalyst, acid transesterfication, reycling, dehydration, Ames Laboratory

Entry Date: February 6, 2012
Revised Date: April 22, 2013

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