Processes for producing a fluorosulfonyl group-containing compound and a compound led from the fluorosulfonyl group-containing compound
View Patent ↗A fluorosulfonyl group-containing compound having a high polymerization reactivity, a process for its production, a sulfonyl group-containing polymerizable monomer led from the sulfonyl group-containing compound, and a polymer obtainable by polymerizing the sulfonyl group-containing polymerizable monomer
1. A process for producing a fluorosulfonyl group-containing polymer, comprising:
polymerizing at least one member of compound (7-1), or
polymerizing at least one member of compound (7-1) and at least one member of a polymerizable monomer which is copolymerizable with compound (7-1):
wherein:
R AF is a bivalent organic group
R BF , R CF and R DF are, independently, a hydrogen atom, a halogen atom or a monovalent organic group.
2. A process for producing a sulfonate or sulfonic group-containing polymer, comprising:
subjecting to alkali hydrolysis fluorosulfonyl groups of the fluorosulfonyl group-containing polymer produced by the process of claim 1 ,
optionally followed by acid treatment.
3. A fluorosulfonyl group-containing polymer, comprising:
polymerized monomer units of at least one member of compound (7-1), or
polymerized monomer units of at least one member of compound (7-1) and monomer units of at least one member of a polymerizable monomer which is copolymerizable with compound (7-1), wherein compound (7-1) is:
wherein:
R AF is a bivalent organic group
R BF , R CF and R DF are, independently, a hydrogen atom, a halogen atom or a monovalent organic group.
4. The fluorosulfonyl group-containing polymer according to claim 3 , which has an average molecular weight of from 5×10 3 to 5×10 6 and contains from 0.1 to 99.9 mol % of the monomer units having polymerized at least one member of a polymerizable monomer which is copolymerizable with compound (7-1).
5. A fluorosulfonic group-containing polymer comprising:
monomer units represented by the following formula, or
such monomer units and monomer units of another monomer which is copolymerizable with such monomer units:
wherein M is a hydrogen atom or a counter ion, wherein
R AF is a bivalent organic group
R BF , R CF and R DF are, independently, a hydrogen atom, a halogen atom or a monovalent organic group.
6. The fluorosulfonic group-containing polymer according to claim 5 , which has an average molecular weight of from 5×10 3 to 5×10 6 and contains from 0.1 to 99.9 mol % of the monomer units of another copolymerizable monomer.
7. A compound represented by the following formula (7-1A):
wherein R AF10 is a C 1-20 perfluoroalkylene group or a C 1-20 perfluoro(etheric oxygen atom-containing alkylene) group.