Fluorosulfonyl group-containing compound, method for its production and polymer thereof
View Patent ↗A compound containing two fluorosulfonyl groups which are groups convertible to sulfonic acid groups, an intermediate therefor, and methods for their production with high productivity, are provided. Also provided are a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer. A method for producing a compound of the following formula (m0), such a compound, a fluorosulfonyl group-containing polymer obtained by polymerizing such a compound, and a sulfonic acid group-containing polymer obtained from such a polymer, provided that R F01 is a single bond or a C 1-6 bivalent perfluoro organic group, R F02 is a C 1-6 bivalent perfluoro organic group, and n is 0 or 1:
1. A method for producing a polymer, characterized in that a compound of the following formula (m0) is polymerized to obtain a polymer comprising units based on the compound of the following formula (m0):
provided that the symbols in the formula have the following meanings:
R F01 is a single bond or a C 1-6 bivalent perfluoro organic group,
R F02 is a C 1-6 bivalent perfluoro organic group, and
n is 0 or 1.
2. A method for producing a polymer, characterized in that a compound of the following formula (m0) and tetrafluoroethylene are copolymerized to obtain a polymer comprising units based on the compound of the following formula (m0) and units based on tetrafluoroethylene:
provided that the symbols in the formula have the following meanings:
R F01 is a single bond or a C 1-6 bivalent perfluoro organic group,
R F02 is a C 1-6 bivalent perfluoro organic group, and
n is 0 or 1.
3. A compound of the following formula (m1):
provided that the symbols in the formula have the following meanings:
R F11 is a single bond or a C 1-6 linear perfluoroalkylene group which may have an etheric oxygen atom,
R F12 is a C 1-6 linear perfluoroalkylene group, and
n is 0 or 1.
4. A compound of the following formula (m11):
5. A compound of the following formula (m12):
6. A compound of the following formula (m13):
7. A polymer comprising units based on the compound as defined in claim 3 .
8. A polymer comprising units based on the compound as defined in claim 3 and units based on tetrafluoroethylene.
9. A polymer having the —SO 2 F groups of the polymer as defined in claim 7 converted to —SO 3 H groups.
10. A polymer having the —SO 2 F groups of the polymer as defined in claim 8 converted to —SO 3 H groups.
11. A polymer comprising units based on the compound of the following formulas (m11), (m12) or (m13):
12. A polymer comprising units based on the compound of the following formulas (m11), (m12) or (m13) and units based on tetrafluoroethylene:
13. A polymer having the —SO 2 F groups of the polymer as defined in claim 11 converted to —SO 3 H groups.
14. A polymer having the —SO 2 F groups of the polymer as defined in claim 12 converted to —SO 3 H groups.