POROUS SOLID ACID CATALYSTS, METHODS OF MANUFACTURING THE SAME, AND METHODS OF MANUFACTURING ORGANICS MOLECULES USING THE SAME

This invention relates to a process for synthesizing organic molecules utilizing a novel porous acid catalyst. The inventive processes are generally nucleophilic reactions employing a solid acid catalyst that has a pore size distribution having at least two different modes. The properties of the cat...

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Main Authors BOHNEN, FRANK, MICHAEL, GANSAEUER, ANDREAS
Format Patent
LanguageEnglish
French
Published 06.08.2009
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Abstract This invention relates to a process for synthesizing organic molecules utilizing a novel porous acid catalyst. The inventive processes are generally nucleophilic reactions employing a solid acid catalyst that has a pore size distribution having at least two different modes. The properties of the catalysts allow for relatively high product yields while at the same time provide the benefits of other solid catalysts, these benefits being manageable catalyst recycle and reduction and/or elimination of environmentally unfriendly solvents. The novel catalyst can be prepared by steam treating conventional crystalline zeolites under conditions sufficient to produce tailored pore size distributions having two or more modes of average of pore sizes, and optionally forming them into catalyst forms and/or particles. Accordingly, this invention also relates to the manufacture of the catalyst. Cette invention concerne un procédé de synthétisation de molécules organiques utilisant un nouveau catalyseur acide poreux. Les procédés de l'invention comprennent généralement des réactions nucléophiles utilisant un catalyseur acide solide ayant au moins deux types distincts de répartitions de la taille des pores. Les propriétés des catalyseurs permettent des rendements de production relativement élevés tout en conférant simultanément les avantages d'autres catalyseurs solides, ces avantages étant le recyclage des catalyseurs et la réduction et/ou l'élimination de solvants nuisibles à l'environnement. La préparation de ce nouveau catalyseur consiste à soumettre à un traitement à la vapeur des zéolites cristallines traditionnelles dans des conditions suffisantes pour obtenir des distributions adaptées de la taille des pores présentant au moins deux types de moyennes de taille, et éventuellement en les transformant en formes et/ou particules catalytiques. En conséquence, cette invention concerne également la fabrication du catalyseur précité.
AbstractList This invention relates to a process for synthesizing organic molecules utilizing a novel porous acid catalyst. The inventive processes are generally nucleophilic reactions employing a solid acid catalyst that has a pore size distribution having at least two different modes. The properties of the catalysts allow for relatively high product yields while at the same time provide the benefits of other solid catalysts, these benefits being manageable catalyst recycle and reduction and/or elimination of environmentally unfriendly solvents. The novel catalyst can be prepared by steam treating conventional crystalline zeolites under conditions sufficient to produce tailored pore size distributions having two or more modes of average of pore sizes, and optionally forming them into catalyst forms and/or particles. Accordingly, this invention also relates to the manufacture of the catalyst. Cette invention concerne un procédé de synthétisation de molécules organiques utilisant un nouveau catalyseur acide poreux. Les procédés de l'invention comprennent généralement des réactions nucléophiles utilisant un catalyseur acide solide ayant au moins deux types distincts de répartitions de la taille des pores. Les propriétés des catalyseurs permettent des rendements de production relativement élevés tout en conférant simultanément les avantages d'autres catalyseurs solides, ces avantages étant le recyclage des catalyseurs et la réduction et/ou l'élimination de solvants nuisibles à l'environnement. La préparation de ce nouveau catalyseur consiste à soumettre à un traitement à la vapeur des zéolites cristallines traditionnelles dans des conditions suffisantes pour obtenir des distributions adaptées de la taille des pores présentant au moins deux types de moyennes de taille, et éventuellement en les transformant en formes et/ou particules catalytiques. En conséquence, cette invention concerne également la fabrication du catalyseur précité.
Author BOHNEN, FRANK, MICHAEL
GANSAEUER, ANDREAS
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DocumentTitleAlternate CATALYSEURS ACIDES SOLIDES POREUX, LEURS PROCÉDÉS DE FABRICATION, ET PROCÉDÉS DE FABRICATION DE MOLÉCULES ORGANIQUES LES UTILISANT
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GANSAEUER, ANDREAS
RHEINISCHE FRIEDRICH-WILHELMS-UNIVERSITAET BONN
GRACE GMBH & CO. KG
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Snippet This invention relates to a process for synthesizing organic molecules utilizing a novel porous acid catalyst. The inventive processes are generally...
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SubjectTerms ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
Title POROUS SOLID ACID CATALYSTS, METHODS OF MANUFACTURING THE SAME, AND METHODS OF MANUFACTURING ORGANICS MOLECULES USING THE SAME
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