Photosensitive resin composition, method for producing cured product of fluororesin, fluororesin, fluororesin film, bank and display element

A fluororesin comprising:

• a repeating unit represented by a formula (2-1) and a repeating unit represented by a formula (2-2):
• wherein R2-1 represents a hydrogen atom, a fluorine atom, or a methyl group;
• R2-2 represents a hydrogen atom or a C1-C6 linear, C3-C6 branched, or C3-C6 cyclic alkyl group;
• R2-3 and R2-4 each independently represent a fluorine atom, a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic alkyl group, or a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic fluoroalkyl group;
• and one or more of R2-1, R2-3, and R2-4 are fluorine atoms or the fluoroalkyl groups,
• wherein R2-5 and R2-6 each independently represent a hydrogen atom or a methyl group;
• W2 is a divalent linking group and represents —O—, —O—C(═O)—, —C(═O)—O—, —O—C(═O)—NH—, —C(═O)—O—C(═O)—NH—, or —C(═O)—NH—;
• A2 is a divalent linking group and represents a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic alkylene group in which one or more hydrogen atoms in the alkylene group may be substituted by hydroxy groups or —O—C(═O)—CH3;
• Y2 is a divalent linking group and represents —O— or —NH—;
• and n represents an integer of 1 to 3.

A fluororesin film comprising:

• a repeating unit represented by a formula (2-1) and a repeating unit represented by a formula (2-2A):
• wherein R2-1 represents a hydrogen atom, a fluorine atom, or a methyl group;
• R2-2 represents a hydrogen atom or a C1-C6 linear, C3-C6 branched, or C3-C6 cyclic alkyl group;
• R2-3 and R2-4 each independently represent a fluorine atom, a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic alkyl group, or a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic fluoroalkyl group;
• and one or more of R2-1, R2-3, and R2-4 are fluorine atoms or the fluoroalkyl groups,
• wherein R2-5 and R2-6 each independently represent a hydrogen atom or a methyl group;
• W2 is a divalent linking group and represents —O—, —O—C(═O)—, —C(═O)—O—, —O—C(═O)—NH—, —C(═O)—O—C(═O)—NH—, or —C(═O)—NH—;
• A2 is a divalent linking group and represents a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic alkylene group in which one or more hydrogen atoms in the alkylene group may be substituted by hydroxy groups or —O—C(═O)—CH3;
• Y2 is a divalent linking group and represents —O— or —NH—;
• and n represents an integer of 1 to 3.

A bank comprising:

• a repeating unit represented by a formula (2-1) and a repeating unit represented by a formula (2-2A):
• wherein R2-1 represents a hydrogen atom, a fluorine atom, or a methyl group;
• R2-2 represents a hydrogen atom or a C1-C6 linear, C3-C6 branched, or C3-C6 cyclic alkyl group;
• R2-3 and R2-4 each independently represent a fluorine atom, a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic alkyl group, or a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic fluoroalkyl group;
• and one or more of R2-1, R2-3, and R2-4 are fluorine atoms or the fluoroalkyl groups,
• wherein R2-5 and R2-6 each independently represent a hydrogen atom or a methyl group;
• W2 is a divalent linking group and represents —O—, —O—C(═O)—, —C(═O)—O—, —O—C(═O)—NH—, —C(═O)—O—C(═O)—NH—, or —C(═O)—NH—;
• A2 is a divalent linking group and represents a C1-C10 linear, C3-C10 branched, or C3-C10 cyclic alkylene group in which one or more hydrogen atoms in the alkylene group may be substituted by hydroxy groups or —O—C(═O)—CH3;
• Y2 is a divalent linking group and represents —O— or —NH—;
• and n represents an integer of 1 to 3.