US2011319258A1PendingUtilityA1

Method to make an acid catalyst having greater than 20 wt% conjunct polymer

Assignee: HOMMELTOFT SVEN IVARPriority: Dec 15, 2008Filed: Sep 8, 2011Published: Dec 29, 2011
Est. expiryDec 15, 2028(~2.4 yrs left)· nominal 20-yr term from priority
C07C 2531/02C07C 2531/06B01J 31/0284C07C 2/58C07C 2527/126B01J 31/0298B01J 2231/32B01J 31/06
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Claims

Abstract

A method to make an acidic ionic liquid catalyst, by mixing aluminum chloride in the presence of a hydrocarbon solvent, an organic chloride, and optionally an ionic liquid; wherein the acidic ionic liquid catalyst does not precipitate out solids; and wherein the acidic ionic liquid catalyst has greater than 20 wt % conjunct polymer and a molar ratio of Al to a heteroatom selected from the group consisting of N, P, O, S, and combinations thereof greater than 2.0. Also a method to make the acidic ionic liquid catalyst comprising: a. mixing aluminum chloride in the presence of a hydrocarbon solvent, and an organic chloride, to make an acid catalyst phase comprising a conjunct polymer; b. adding hydrogen chloride to the acid catalyst phase.

Claims

exact text as granted — not AI-modified
1 . A method to make an acidic ionic liquid catalyst that is effective for catalyzing a reaction, comprising: mixing aluminum chloride in the presence of a hydrocarbon solvent, an organic chloride, and optionally an ionic liquid, to make the acidic ionic liquid catalyst; wherein the acidic ionic liquid catalyst does not precipitate out solids; and wherein the acidic ionic liquid catalyst has greater than 20 wt % conjunct polymer and a molar ratio of Al to a heteroatom selected from the group consisting of N, P, O, S, and combinations thereof greater than 2.0. 
     
     
         2 . The method of  claim 1 , wherein the acidic ionic liquid catalyst comprises a quaternary ammonium chloroaluminate. 
     
     
         3 . The method of  claim 1 , wherein the acidic ionic liquid catalyst has greater than 25 wt % conjunct polymer. 
     
     
         4 . The method of  claim 1 , wherein the molar ratio is about 5 or greater. 
     
     
         5 . The method of  claim 5 , wherein the molar ratio is about 10 to about 1000. 
     
     
         6 . The method of  claim 1 , wherein the reaction is alkylation, isomerization, hydrocracking, polymerization, dimerization, oligomerization, acylation, acetylation, metathesis, copolymerization, dehalogenation, dehydration, olefin hydrogenation, or combinations thereof. 
     
     
         7 . The method of  claim 6 , wherein the reaction is isoparaffin/olefin alkylation. 
     
     
         8 . The method of  claim 1 , wherein the acidic ionic liquid catalyst is made with reagents having no nitrogen-containing compounds. 
     
     
         9 . The method of  claim 1 , wherein the conjunct polymer is extractable. 
     
     
         10 . The method of  claim 1 , wherein the ionic liquid is a quaternary ammonium chloroaluminate. 
     
     
         11 . The method of  claim 1 , additionally comprising adding hydrogen chloride to the acidic ionic liquid catalyst. 
     
     
         12 . A method to make an acidic ionic liquid catalyst that is effective for catalyzing a reaction, comprising:
 a. mixing aluminum chloride in the presence of a hydrocarbon solvent, and an organic chloride, to make an acid catalyst phase comprising a conjunct polymer;   b. adding hydrogen chloride to the acid catalyst phase to make the acidic ionic liquid catalyst;   
       wherein the acidic ionic liquid catalyst has greater than 20 wt % of the conjunct polymer and a molar ratio of Al to a heteroatom selected from the group consisting of N, P, O, S, and combinations thereof greater than 2.0. 
     
     
         13 . The method of  claim 12 , wherein an amount of hydrogen chloride is adjusted to provide product selectivity to the reaction. 
     
     
         14 . The method of  claim 12 , wherein the acidic ionic liquid catalyst does not precipitate out solids. 
     
     
         15 . The method of  claim 12 , wherein the acidic ionic liquid catalyst comprises greater than 25 wt % of the conjunct polymer. 
     
     
         16 . The method of  claim 12 , wherein the molar ratio is about 5 or greater. 
     
     
         17 . The method of  claim 16 , wherein the molar ratio is about 10 to about 1000. 
     
     
         18 . The method of  claim 17 , wherein the molar ratio is greater than 1000. 
     
     
         19 . The method of  claim 12 , wherein the reaction is alkylation, isomerization, hydrocracking, polymerization, dimerization, oligomerization, acylation, acetylation, metathesis, copolymerization, dehalogenation, dehydration, olefin hydrogenation, or combinations thereof. 
     
     
         20 . The method of  claim 19 , wherein the reaction is isoparaffin/olefin alkylation.

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