Patent ID: 11919983
Assignee: KUREHA CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 3:
4. The vinylidene fluoride copolymer particle according to claim 1, wherein the compound having an oxygen atom-containing functional group is at least one type selected from the group consisting of an unsaturated dibasic acid, an unsaturated dibasic acid monoester, a compound represented by the formula (2), a compound represented by the formula (3), and a compound represented by the formula (4):, in the formula (2), R1, R2, and R3 are each independently a hydrogen atom, a chlorine atom, or an alkyl group having from 1 to 5 carbon atoms; and X1 is an atomic group having a main chain constituted of 1 to 19 atoms, having a molecular weight of 472 or less, and containing at least one heteroatom selected from an oxygen atom and a nitrogen atom;, in the formula (3), R4, R5, and R6 are each independently a hydrogen atom, a chlorine atom, or an alkyl group having from 1 to 5 carbon atoms; and X2 is an atomic group having a main chain constituted of 1 to 19 atoms, having a molecular weight of 484 or less, and containing at least one heteroatom selected from an oxygen atom and a nitrogen atom; and, in the formula (4), R7, R8, and R9 are each independently a hydrogen atom, a chlorine atom, or an alkyl group having from 1 to 5 carbon atoms; and R10 is a hydrogen atom or a hydrocarbon moiety having from 1 to 5 carbon atoms and containing at least one hydroxyl group.