Method for producing a composite material

Abstract

The present invention relates to a method for producing a composite material which contains a support material and an ionic liquid, as well as a composite material and its use as synthetic catalyst.

1 .- 15 . (canceled) 
     
     
         16 . A composite material comprising a support material in the form of a shaped body, a catalytically active material and an ionic liquid. 
     
     
         17 . A composite material according to  claim 16 , wherein the support material comprises a material selected from the group consisting of titanium oxide, silicon oxide, aluminium oxide, zirconium oxide, magnesium oxide, silicon carbide, magnesium silicate, zinc oxide, zeolites and nanomaterials. 
     
     
         18 . A composite material according to  claim 16 , wherein the support material comprises Al 2 O 3 . 
     
     
         19 . A composite material according to  claim 16 , wherein the support material comprises copper/zinc oxide/aluminium oxide, copper/zinc oxide, copper/chromium oxide, copper/chromium oxide/silicon dioxide, copper/chromium oxide/manganese oxide, cobalt/silicon dioxide, cobalt/diatomaceous earth, nickel/aluminium oxide, nickel/silicon dioxide, nickel/diatomaceous earth, palladium/activated charcoal, platinum/activated charcoal, palladium/graphite, palladium/aluminium oxide, palladium/silver/aluminium oxide, palladium/calcium carbonate, palladium/barium sulphate, platinum/aluminium oxide, rhodium/activated charcoal, rhodium/aluminium oxide, iridium/calcium carbonate, ruthenium/activated charcoal, ruthenium/graphite, gold/titanium oxide or mixtures or alloys of the metals palladium, platinum, silver, gold, rhodium, iridium in an undetermined ratio on one of the support materials activated charcoal, graphite, silicon dioxide, aluminium dioxide, diatomaceous earth, titanium oxide, cerium oxide or zirconium oxide. 
     
     
         20 . A composite material according to  claim 16 , wherein the support material is palladium/aluminium oxide or palladium/silver/aluminium oxide. 
     
     
         21 . A composite material according to  claim 16 , wherein the ionic liquid has a melting point below 100° C. 
     
     
         22 . A composite material according to  claim 16 , wherein the ionic liquid is selected from the group consisting of compounds of the following general formulae IL-1 to IL-23: 
       
         
           
           
               
               
           
         
         
           
           
               
               
           
         
         
           
           
               
               
           
         
       
       wherein the radicals R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9  and R 10  are optionally, in each case, independently of each other, radicals selected from the group consisting of hydrogen, functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatom- and/or heterocycle-substituted C 1 -C 18  alkyl, C 2 -C 18  alkyl interrupted by one or more non-adjacent oxygen atoms and/or sulphur atoms and/or one or more substituted or unsubstituted imino groups, C 6 -C 12  aryl interrupted by one or more non-adjacent oxygen atoms and/or sulphur atoms and/or one or more substituted or unsubstituted imino groups, C 5 -C 12  cycloalkyl interrupted by one or more non-adjacent oxygen atoms and/or sulphur atoms and/or one or more substituted or unsubstituted imino groups, a five- to six-membered heterocycle containing oxygen, nitrogen and/or sulphur atoms and a mixture thereof,
 wherein two of the named radicals are optionally linked to each other accompanied by formation of an unsaturated or saturated ring segment which can optionally be interrupted by one or more oxygen and/or sulphur atoms and/or one or more substituted or unsubstituted imino groups, wherein the ring segment is optionally substituted by functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatom and/or heterocycle radicals, 
 and wherein R 4  is optionally selected from the group of radicals consisting of C 1 -C 18  alkyloyl, C 1 -C 18  alkyloxycarbonyl, C 5 -C 12  cycloalkylcarbonyl and C 6 -C 12  aryloyl, wherein the members of the named group are optionally, in each case, substituted by one or more functional groups, aryl, alkyl, aryloxy, alkyloxy, halogen, heteroatoms and/or heterocycle radicals, wherein C 1 -C 18 , C 5 -C 12 , or C 6 -C 12  refer to the alkyl chain. 
 
     
     
         23 . A composite material according to  claim 16 , wherein the BET surface area is 1 to 900 m 2 /g. 
     
     
         24 . A composite material according to  claim 16 , wherein the BET surface area is 1 to 550 m 2 /g. 
     
     
         25 . A composite material according to  claim 16 , wherein the BET surface area is 1 to 380 m 2 /g. 
     
     
         26 . A composite material according to  claim 16 , wherein the range of the support material is of from 1 mm to 2 cm. 
     
     
         27 . A composite material according to  claim 16 , wherein the ionic liquid is present in a shell having a shell thickness of 1000 μm. 
     
     
         28 . A composite material according to  claim 27 , wherein the shell thickness is between 120 and 940 μm. 
     
     
         29 . A composite material according to  claim 16 , wherein the amount of ionic liquid is 10 wt.-% or less relative to the support material. 
     
     
         30 . A composite material according to  claim 16 , wherein the amount of ionic liquid is 10 wt.-% relative to the support material. 
     
     
         31 . A composite material containing a support material and an ionic liquid made by a process comprising the steps of fluidizing the support material in a fluidized bed or fluid bed, and applying by spray impregnation onto the fluidized support material a solution, suspension or emulsion which contains the ionic liquid.