Composite conductive polymer composition, method of manufacturing the same, solution containing the composition, use of the composition
The purpose is to provide a technique which enables various kinds of conductive polymer composition to be dissolved in an organic solvent and to be used to form a conductive membrane on a target portion easily. Provided is a composite conductive polymer composition, a method of manufacturing the same, and a solution obtained by dissolving the composition in an aromatic solvent, ester-based solvent or ketone-based solvent. The composition is obtained by doping a π-conjugated polymer (β) with a polymer compound (A), wherein the polymer compound (A) is obtained from (a-1) a monomer having a sulfonic acid group and a polymerizable vinyl group in an amount of 20 to 60 mol %, (a-2) a polar monomer having a hydrophilic group and a polymerizable vinyl group in an amount of 20 to 60 mol %, and (a-3) another polymerizable monomer in an amount of 20 to 60 mol %, and the n-conjugated polymer (β) is obtained from a monomer compound selected from the formulas (I) to (III) in the formula (I) to (III), at least one of R 1 to R 4 represent an alkoxy group of C 1 to C 10 , and the other groups represent H, an alkyl group of C 1 to C 10 , or an alkoxy group of C 1 to C 10 ; at least one of R 5 and R 6 represent an alkoxy group of C 1 to C 10 , and the other group represents H, an alkyl group or an alkoxy group of C 1 to C 10 , or R 5 and R 6 jointly represent an alkylenedioxy group of C 1 to C 8 ; and R 7 represents H, an alkyl group of C 1 to C 6 , or an aromatic ring group.
1. A composite conductive polymer composition obtained by doping a π-conjugated polymer (β) with a polymer compound (A); wherein
the polymer compound (A) is obtained by polymerizing the following components (a-1) to (a-3), the sum of the components (a-1) to (a-3) being 100 mol %:
(a-1) a monomer having a sulfonic acid group and a polymerizable vinyl group in an amount of 20 to 60 mol %,
(a-2) a polar monomer having a hydrophilic group and a polymerizable vinyl group and not having a sulfonic acid group in an amount of 20 to 60 mol %, and
(a-3) a polymerizable monomer other than the components (a-1) and (a-2) in an amount of 20 to 60 mol %; and
the π-conjugated polymer (β) is obtained from a monomer compound selected from the formulas (I) to (III)
wherein, in the formulas (I) to (III),
at least one of R 1 to R 4 represent an alkoxy group having a carbon number of 1 to 10, and the other groups represent a hydrogen atom, an alkyl group having a carbon number of 1 to 10, or an alkoxy group having a carbon number of 1 to 10;
at least one of R 5 and R 6 represent an alkoxy group having a carbon number of 1 to 10, and the other group represents a hydrogen atom, an alkyl group having a carbon number of 1 to 10 or an alkoxy group having a carbon number of 1 to 10, or R 5 and R 6 jointly represent an alkylenedioxy group having a carbon number of 1 to 8;
R 7 represents a hydrogen atom, an alkyl group having a carbon number of 1 to 6, or an aromatic ring group, wherein
the component (a-2) is a monomer producing a solution whose pH is larger than 5.5 and smaller than 8.0 (5.5<pH<8.0) when the monomer is dissolved in distillated water of pH 7.0 at the room temperature in a concentration of 0.1 mmol/l, and wherein the component (a-2) polar monomer having a hydrophilic group and a polymerizable vinyl group is selected from acrylic acid, methacrylic acid, 2-(methacryloyloxy)ethylsuccinic acid, maleic acid (maleic anhydride), 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, 2-acetoacetoxyethyl (meth)acrylate, methoxyethyl (meth)acrylate, ethoxyethyl (meth)acrylate, butoxyethyl (meth)acrylate, ethylcarbitol (meth)acrylate, methoxytriethyleneglycol (meth)acrylate, methoxypolyethyleneglycol (meth)acrylate, and β-(meth)acryloyloxyethyl hydrogen succinate.
2. The composite conductive polymer composition of claim 1 , wherein the component (a-1) monomer having a sulfonic acid group and a polymerizable vinyl group is selected from the group consisting of sodium styrenesulfonate, styrenesulfonic acid, sodium 2-sulfoethyl (meth)acrylate and 2-sulfoethyl(meth)acrylate.
3. The composite conductive polymer composition of claim 1 , wherein the component (a-3) polymerizable monomer other than the components (a-1) and (a-2) is a monomer having an aromatic group or an alicyclic group and a polymerizable vinyl group.
4. The composite conductive polymer composition of claim 1 , wherein the component (a-3) polymerizable monomer other than the components (a-1) and (a-2) is a monomer having an aromatic group or an alicyclic group and a polymerizable vinyl group, which is selected from the group consisting of benzyl (meth)acrylate, phenoxyethyl (meth)acrylate, neopentyl glycol acrylate benzoate ester, cyclohexyl (meth)acrylate, isobornyl (meth)acrylate, dicyclopentanyl (meth)acrylate, dicyclopentanyloxyethyl (meth)acrylate, t-butylcyclohexyl (meth)acrylate, dicyclopentenyl (meth)acrylate, dicyclopentenyloxyethyl (meth)acrylate, pentamethylpiperidinyl (meth)acrylate, tetramethylpiperidinyl (meth)acrylate, 1-adamantyl (meth)acrylate, 2-methyl-2-adamantyl (meth)acrylate, 2-ethyl-2-adamantyl (meth)acrylate, tetrahydrofurfuryl (meth)acrylate, vinylpyridine and (meth)acryloyloxy morpholine.
5. The composite conductive polymer composition of claim 1 , wherein the component (a-3) polymerizable monomer other than the components (a-1) and (a-2) is an alkyl(meth)acrylate.
6. The composite conductive polymer composition of claim 1 , wherein the component (a-3) polymerizable monomer other than the components (a-1) and (a-2) is an alkyl (meth)acrylate selected from the group consisting of methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, i-propyl (meth)acrylate, n-butyl (meth)acrylate, i-butyl (meth)acrylate, i-propyl (meth)acrylate, t-butyl (meth)acrylate, n-pentyl (meth)acrylate, i-pentyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, isooctyl (meth)acrylate, lauryl (meth)acrylate and stearyl (meth)acrylate.
7. A composite conductive polymer composition solution obtained by dissolving the composite conductive polymer composition of claim 1 in an aromatic solvent, ester-based solvents or ketone-based solvent in an amount of 0.1 to 10 mass %.
8. The composite conductive polymer composition solution of claim 7 , further comprising metal, oxidation metal, conductive polymer composition, carbon powder or dispersoid.
9. A counter electrode for a dye-sensitized solar cell obtained from the composite conductive polymer composition of claim 1 .
10. An antistatic film obtained from the composite conductive polymer composition of claim 1 .