Polymer, method for producing same, electrolyte composition, and battery

A method for producing an alkali metal-containing polymer, comprising:

• obtaining a raw material polymer by polymerizing a monomer containing a first monomer that is at least one type of monomer (A′) represented by the following formula (A′) and a second monomer that is at least one of a monomer (B′) represented by the following formula (B′) and a monomer (C′) represented by the following formula (C′);
• and
• converting a group in the raw material polymer that is hydrolyzed to be a hydroxyl group into an —OM group,
• wherein M is Li, Na or K,
• (in the formula, Y′ is any of groups represented by the following formulae (A1′) to (A6′)),
• (in the formula (A1′), at least one of RA′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A2′), at least one of RB′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A3′), at least one of RC groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A4′), at least one of RD′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A5′), at least one of RE′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A6′), at least one of RF groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents),
• (in the formula (B′), X is an oxygen atom or a tertiary amino group represented by NR6, and R6 is an organic group having 1 to 20 carbon atoms), and
• (in the formula (C′), Z is a covalent bond, —O—, —S—, —C(═O)—, —C(═O)O—, —OC(═O)—, —C(═O) NR13— or —NR14C(═O)—, R12 is a hydrogen atom or a monovalent substituent, in a case where Z is a covalent bond, —O—, —S—, —C(═O)—, —C(═O)O— or —OC(═O)—, R11 is a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and in a case where Z is —C(═O) NR13— or —NR14C(═O)—, R11, R13 and R14 are each a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms or R11 forms a ring having 3 to 10 atoms as ring members together with R13 or R14).

An alkali metal-containing polymer that is obtained by polymerizing a monomer containing a first monomer that is at least one type of monomer (A′) represented by the following formula (A′) and a second monomer that is at least one of a monomer (B′) represented by the following formula (B′) and a monomer (C′) represented by the following formula (C′) to obtain a raw material polymer and converting a group in the raw material polymer that is hydrolyzed to be a hydroxyl group into an —OM group,

• wherein M is Li, Na or K,
• (in the formula, Y′ is any of groups represented by the following formulae (A1′) to (A6′)),
• (in the formula (A1′), at least one of RA′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A2′), at least one of RB′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A3′), at least one of RC groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A4′), at least one of RD′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, in the formula (A5′), at least one of RE′ groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents, and in the formula (A6′), at least one of RF groups is a group that is hydrolyzed to be a hydroxyl group, and residues are hydrogen atoms or monovalent substituents),
• (in the formula (B′), X is an oxygen atom or a tertiary amino group represented by NR6, and R6 is an organic group having 1 to 20 carbon atoms), and
• (in the formula (C′), Z is a covalent bond, —O—, —S—, —C(═O)—, —C(═O)O—, —OC(═O)—, —C(═O) NR13— or —NR14C(═O)—, R12 is a hydrogen atom or a monovalent substituent, in a case where Z is a covalent bond, —O—, —S—, —C(═O)—, —C(═O)O— or —OC(═O)—, R11 is a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms, and in a case where Z is —C(═O) NR13— or —NR14C(═O)—, R11, R13 and R14 are each a hydrogen atom or a monovalent organic group having 1 to 20 carbon atoms or R11 forms a ring having 3 to 10 atoms as ring members together with R13 or R14).