Process for preparation of soluble ion-doped poly (alkyl-substituted pyrrole)
AssigneeToho Rayon Co., Ltd.
InventorsKatsumi Nakama, Hiroyuki Sato
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Abstract
A process for the preparation of an organic solvent soluble ion-doped poly(alkyl-substituted pyrrole) which comprises dissolving an alkyl-substituted pyrrole compound represented by formula (I) in an organic solvent, oxidation-polymerizing the dissolved alkyl-substituted pyrrole in the presence of at least one oxidation polymerization agent selected from the group consisting of a ferric salt and a copper (II) salt to form an ion-doped poly(alkyl-substituted pyrrole), next adding water to the polymerization reaction system thus obtained and then recovering an organic solvent soluble ion-doped poly(alkyl-substituted pyrrole): ##STR1## wherein X represents an alkyl group; and Y represents a hydrogen atom or an alkyl group.
Claims18
A process for the preparation of an ion-doped poly(alkyl-substituted pyrrole) having improved solubility in an organic solvent which comprises dissolving an alkyl-substituted pyrrole compound represented by formula (I) in an organic solvent, oxidation-polymerizing the dissolved alkyl-substituted pyrrole in the presence of at least one oxidation polymerization agent selected from the group consisting of a ferric salt, a copper (II) salt, and said salts having water of crystallization to form an ion-doped poly(alkyl-substituted pyrrole), and adding water to the polymerization reaction system after completion of the reaction to improve solubility of the ion-doped poly(alkyl-substituted pyrrole) in an organic solvent, said alkyl-substituted pyrrole is represented by the following formula:
- ##STR4## wherein X represents an alkyl group;
- and Y represents a hydrogen atom or an alkyl group.
An ion-doped poly(alkyl-substituted pyrrole) having improved solubility in an organic solvent produced by a process comprising the steps of:
- (i) dissolving an alkyl-substituted pyrrole compound represented by formula (I) in an organic solvent,
- (ii) oxidation-polymerizing the dissolved alkyl-substituted pyrrole in the presence of at least one oxidation polymerization agent selected from the group consisting of a ferric salt, a copper (II) salt, and said salts having water of crystallization to form an ion-doped poly(alkyl-substituted pyrrole) in a polymerization reaction system;
- and
- (iii) adding water to the polymerization reaction system after completion of the reaction to improve solubility of the ion-doped poly(alkyl-substituted pyrrole) in an organic solvent, wherein said alkyl-substituted pyrrole is represented by the following formula:
- ##STR5## wherein X represents an alkyl group;
- and Y represents a hydrogen atom or an alkyl group.
Dependencies are inferred from the claim text.