Isoparaffin-olefin alkylation
A composition comprising a base component and a polymer, and a method of making said composition, are disclosed. The composition thereby obtained is then used as a catalyst for isoparaffin-olefin alkylation.
1. A pourable composition consisting of:
a) an acid component selected from the group consisting of 1) a sulfuric acid, 2) a fluorosulfonic acid, 3) a perhaloalkylsulfonic acid, 4) an ionic liquid, 5) mixtures of Bronsted acids and Lewis acids, and 6) combinations of any two or more thereof; and
b) a polymer holding the acid component in place in the composition, wherein said acid component is present in said composition in a range of from about 5 weight percent to about 90 weight percent based on the total weight of said composition.
2. A composition in accordance with claim 1 wherein said polymer is a polyacrylate having a formula of [—CH 2 —CH(CO 2 R)—] n where R is a Group IA element.
3. A composition in accordance with claim 2 , wherein said Group IA element is hydrogen.
4. A composition in accordance with claim 1 wherein said acid component is trifluoromethanesulfonic acid.
5. A composition in accordance with claim 1 wherein said ionic liquid comprises a cation and an anion; wherein said cation is selected from the group consisting of ions defined by the formulas:
and combinations of any two or more thereof, wherein:
R 1 , R 2 , R 3 , R 5 , R 6 and R 7 are selected from saturated and unsaturated hydrocarbons containing from 1 to 7 carbon atoms per molecule;
R 4 , R 8 , R 9 , R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 , R 18 , and R 19 are selected from saturated and unsaturated hydrocarbons containing from 1 to 7 carbon atoms per molecule, and hydrogen; and
wherein said anion is selected from the group consisting of halides of:
Group IIIA metals, copper, zinc, iron and phosphorus.
6. A composition in accordance with claim 1 wherein said mixtures of Bronsted acids and Lewis acids comprise a Bronsted acid selected from the group consisting of hydrofluoric acid, sulfuric acid, trifluoromethane sulfonic acid, and combinations of any two or more thereof.
7. A composition in accordance with claim 1 wherein said acid component is present in said composition in a range of from about 30 weight percent to about 85 weight percent based on the total weight of said composition.
8. A composition in accordance with claim 1 wherein said acid component is present in said composition in a range of from about 50 weight percent to about 80 weight percent based on the total weight of said composition.