WO2012053474A1 - 導電性組成物及び導電性被膜の製造方法 - Google Patents
導電性組成物及び導電性被膜の製造方法 Download PDFInfo
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- WO2012053474A1 WO2012053474A1 PCT/JP2011/073812 JP2011073812W WO2012053474A1 WO 2012053474 A1 WO2012053474 A1 WO 2012053474A1 JP 2011073812 W JP2011073812 W JP 2011073812W WO 2012053474 A1 WO2012053474 A1 WO 2012053474A1
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- carbon atoms
- conductive composition
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- MIAUJDCQDVWHEV-UHFFFAOYSA-N benzene-1,2-disulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1S(O)(=O)=O MIAUJDCQDVWHEV-UHFFFAOYSA-N 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 125000006612 decyloxy group Chemical group 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000005446 heptyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000003707 hexyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- WHRAZOIDGKIQEA-UHFFFAOYSA-L iron(2+);4-methylbenzenesulfonate Chemical compound [Fe+2].CC1=CC=C(S([O-])(=O)=O)C=C1.CC1=CC=C(S([O-])(=O)=O)C=C1 WHRAZOIDGKIQEA-UHFFFAOYSA-L 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 150000007527 lewis bases Chemical class 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- PLROLCYJBPNSNC-UHFFFAOYSA-N methylsulfanylmethane sulfur trioxide Chemical compound CSC.S(=O)(=O)=O PLROLCYJBPNSNC-UHFFFAOYSA-N 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- DXASQZJWWGZNSF-UHFFFAOYSA-N n,n-dimethylmethanamine;sulfur trioxide Chemical compound CN(C)C.O=S(=O)=O DXASQZJWWGZNSF-UHFFFAOYSA-N 0.000 description 1
- DZCCLNYLUGNUKQ-UHFFFAOYSA-N n-(4-nitrosophenyl)hydroxylamine Chemical compound ONC1=CC=C(N=O)C=C1 DZCCLNYLUGNUKQ-UHFFFAOYSA-N 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- NJAJQJZNAFXYMT-UHFFFAOYSA-N n-ethyl-n-propan-2-ylpropan-2-amine;sulfur trioxide Chemical compound O=S(=O)=O.CCN(C(C)C)C(C)C NJAJQJZNAFXYMT-UHFFFAOYSA-N 0.000 description 1
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- HYFMZOAPNQAXHU-UHFFFAOYSA-N naphthalene-1,7-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(S(=O)(=O)O)=CC=C21 HYFMZOAPNQAXHU-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 125000006611 nonyloxy group Chemical group 0.000 description 1
- 125000005447 octyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 125000004115 pentoxy group Chemical group [*]OC([H])([H])C([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229960002796 polystyrene sulfonate Drugs 0.000 description 1
- 239000011970 polystyrene sulfonate Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 150000004053 quinones Chemical class 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 125000005920 sec-butoxy group Chemical group 0.000 description 1
- AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
- 235000019345 sodium thiosulphate Nutrition 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 150000003463 sulfur Chemical class 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 125000004213 tert-butoxy group Chemical group [H]C([H])([H])C(O*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- UGNWTBMOAKPKBL-UHFFFAOYSA-N tetrachloro-1,4-benzoquinone Chemical compound ClC1=C(Cl)C(=O)C(Cl)=C(Cl)C1=O UGNWTBMOAKPKBL-UHFFFAOYSA-N 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
- C08G61/122—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides
- C08G61/123—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds
- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D165/00—Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Coating compositions based on derivatives of such polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
- H01G4/129—Ceramic dielectrics containing a glassy phase, e.g. glass ceramic
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/10—Definition of the polymer structure
- C08G2261/14—Side-groups
- C08G2261/142—Side-chains containing oxygen
- C08G2261/1424—Side-chains containing oxygen containing ether groups, including alkoxy
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/32—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain
- C08G2261/322—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed
- C08G2261/3223—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed containing one or more sulfur atoms as the only heteroatom, e.g. thiophene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/50—Physical properties
- C08G2261/51—Charge transport
- C08G2261/516—Charge transport ion-conductive
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
Definitions
- the present invention relates to a conductive composition. More specifically, a conductive composition containing a conductive polymer and a dopant having a specific chemical structure; an electrode for a solid electrolytic capacitor using the conductive composition; a solid electrolytic capacitor using the conductive composition; The present invention relates to a method for producing a conductive film formed from a conductive composition.
- Patent Document 1 proposes a water-dispersed colloidal coating liquid using polystyrene sulfonic acid as a dopant.
- this coating solution is extremely hydrophilic, and the conductive film produced using this coating solution has high hygroscopicity, and the strongly acidic hydrogen ions generated by this moisture absorption corrode metals and the like that come into contact with the coating.
- the electrical conductivity of the conductive film obtained by this coating liquid is about 100 S / cm, and it cannot be said that it is enough as an electrical conductivity required in order to apply to an electroconductive functional material.
- Patent Document 2 proposes a method using a polycondensation compound having a sulfonic acid group as a dopant, and a film showing good conductivity is obtained by performing electrolytic oxidation polymerization.
- the electric conductivity of the conductive film obtained with the present coating liquid is about 100 S / cm, and it cannot be said that the electric conductivity required for application to the conductive functional material is sufficient.
- An object of the present invention is to provide a conductive composition that can produce a conductive film with low corrosivity and high electrical conductivity.
- the thiophene repeating units are A polyether group (a) represented by the following general formula (1), An alkoxy group (b) having 1 to 15 carbon atoms, An alkoxyalkyl group (c) having 2 to 19 carbon atoms and an alkyl group having 1 to 15 carbon atoms, or an alkyl group (d) in which a hydrogen atom of the alkyl group is substituted with the polyether group (a) It contains a substituted polythiophene (P) which is a thiophene repeating unit ( ⁇ ) substituted at the 3-position and / or 4-position of the thiophene ring with at least one group selected from the group consisting of: and a sulfur trioxide complex.
- the conductive composition (A) is a substituted polythiophene (P) which is a thiophene repeating unit ( ⁇ ) substituted at the 3-position and / or 4-position of the thiophene ring with at least one group selected from the group consisting of: and
- OR 1 represents an oxyalkylene group having 2 to 4 carbon atoms
- R 2 represents an alkyl group having 1 to 15 carbon atoms
- k is an integer of 1 to 9.
- the conductive composition of the present invention can be coated on a metal or the like that is easily corroded due to its low corrosiveness, and its conductive film is highly conductive, so that it can be expected to be applied to various conductive functional materials.
- the thiophene repeating units is composed of the polyether group (a), the alkoxy group (b), the alkoxyalkyl group (c) or the alkyl group ( In d), the substituted polythiophene (P) which is a thiophene repeating unit ( ⁇ ) (also referred to as “thiophene repeating unit ( ⁇ )” in the present specification) substituted at the 3-position and / or 4-position of the thiophene ring; Contains sulfur trioxide complex as a dopant.
- the polyether group (a) has a repeating unit represented by the above general formula (1) and composed of an oxyalkylene group having 2 to 4 carbon atoms, the number of repeating units is 1 to 9, Is a polyether group which is an alkoxy group having 1 to 15 carbon atoms.
- Examples of the oxyalkylene group having 2 to 4 carbon atoms include an oxyethylene group, an oxypropylene group, and oxybutylene.
- terminal alkoxy group having 1 to 15 carbon atoms examples include methoxy group, ethoxy group, propoxy group, isopropoxy group, n-, iso-, sec- or tert-butoxy group, pentyloxy group, hexyloxy group, heptyloxy Group, octyloxy group, 2-ethylhexyloxy group, nonyloxy group, decyloxy group, undecyloxy group, dodecyloxy group, tridecyloxy group, tetradecyloxy group and pentadecyloxy group.
- alkoxy group (b) examples include alkoxy groups having 1 to 15 carbon atoms similar to those exemplified for the polyether group (a).
- Examples of the alkoxyalkyl group (c) include an alkyl group having 1 to 4 carbon atoms substituted with an alkoxy group having 1 to 15 carbon atoms.
- Examples of the alkoxy group having 1 to 15 carbon atoms include those exemplified in the polyether group (a).
- Examples of the alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, n- or and an iso-propyl group and an n-, sec-, iso- or tert-butyl group.
- alkyl group (d) of the thiophene repeating unit ( ⁇ ) examples include linear or branched alkyl groups having 1 to 15 carbon atoms, such as methyl group, n- or iso-propyl group, n-, iso-, sec- Or tert-butyl group, n- or iso-pentyl group, cyclopentyl group, n- or iso-hexyl group, cyclohexyl group, n- or iso-heptyl group, n- or iso-octyl group, 2-ethylhexyl group, n -Or iso-nonyl group, n- or iso-decyl group, n- or iso-undecyl group, n- or iso-dodecyl group, n- or iso-tridecyl group, n- or iso-tetradecyl group and n-or An iso-p
- the repeating unit ( ⁇ 1) represented by the following general formula (2) and the following general formula (3) are preferable from the viewpoint of conductivity. It is a repeating unit ( ⁇ 3) represented by the repeating unit ( ⁇ 2) or the following general formula (4).
- OR 3 in the general formula (2) and OR 6 in the general formula (3) each independently represent an oxyethylene group or an oxypropylene group, and an oxyethylene group is preferred from the viewpoint of conductivity.
- R 4 , R 7 and R 8 in the above general formulas (2) to (4) are each independently a linear or branched alkyl group having 1 to 12 carbon atoms (for example, a methyl group, n- or iso-propyl).
- R 4 is preferably a linear or branched alkyl group having 1 to 6 carbon atoms, more preferably a linear or branched group having 1 to 4 carbon atoms, from the viewpoint of conductivity. It is an alkyl group.
- R 4 is preferably a linear or branched alkyl group having 3 to 12 carbon atoms, more preferably a linear or branched alkyl group having 6 to 12 carbon atoms, from the viewpoint of conductivity. It is.
- R 7 is preferably a linear or branched alkyl group having 1 to 6 carbon atoms, more preferably a linear or branched alkyl group having 1 to 4 carbon atoms, from the viewpoint of conductivity. It is an alkyl group.
- R 7 is preferably a linear or branched alkyl group having 3 to 12 carbon atoms, more preferably a linear or branched alkyl group having 6 to 12 carbon atoms, from the viewpoint of conductivity. It is.
- R 8 is preferably a linear or branched alkyl group having 3 to 12 carbon atoms, more preferably a linear or branched alkyl group having 6 to 12 carbon atoms, from the viewpoint of solvent solubility and conductivity. .
- R 5 in the general formula (3) is a linear or branched alkylene group having 1 to 4 carbon atoms (for example, a methylene group, an ethylene group, a 1,2- or 1,3-propylene group, and a 1,2--1, , 3-, 2,3- or 1,4-butylene group), preferably from the viewpoint of solvent solubility and conductivity, a linear or branched alkylene group having 1 to 3 carbon atoms, more preferably , A methylene group or an ethylene group.
- a linear or branched alkylene group having 1 to 4 carbon atoms for example, a methylene group, an ethylene group, a 1,2- or 1,3-propylene group, and a 1,2--1, , 3-, 2,3- or 1,4-butylene group
- a linear or branched alkylene group having 1 to 3 carbon atoms more preferably , A methylene group or an ethylene group.
- n and m are each independently an integer of 0 to 5.
- n is preferably 1 to 5, more preferably 2 to 5, from the viewpoint of solvent solubility and conductivity.
- m is preferably 0 to 4 from the viewpoint of solvent solubility and conductivity, and more preferably m is 0 to 3.
- the substituted polythiophene (P) in the present invention may be composed of only the above thiophene repeating unit ( ⁇ ) or may contain an unsubstituted thiophene repeating unit.
- the content of the thiophene repeating unit ( ⁇ ) in the substituted polythiophene (P) is preferably 50 to 100% by weight, more preferably 60 to 100% based on the weight of the substituted polythiophene (P) from the viewpoint of solvent solubility. % By weight, particularly preferably 70 to 100% by weight.
- the substituted polythiophene (P) in the present invention can be synthesized by a known method such as anionic polymerization or oxidation polymerization of monomers corresponding to each repeating unit.
- the polyether group (a), the alkoxy group (b), the alkoxyalkyl group (c) or the alkyl is located at the 3-position and / or 4-position of the thiophene ring.
- Examples of the monomer corresponding to the unsubstituted thiophene repeating unit include thiophene.
- the content of the substituted polythiophene (P) in the conductive composition (A) is preferably 0.1 to 20% by weight, more preferably based on the weight of the conductive composition (A) from the viewpoint of solubility. 1.0 to 6.0% by weight.
- the stereoregularity (RR) of the substituted polythiophene (P) in the present invention is usually 50% or more, preferably 80% or more, more preferably 90% or more from the viewpoint of conductivity.
- HT-HT bond B1
- TT-HT bond B2
- HT-HH bond B3
- TT-HH bond B4
- HT is an abbreviation for head to tail
- TT is an abbreviation for tail to tail
- HH is an abbreviation for head to head.
- R in the chemical formulas of the four bond types independently represents the polyether group (a), the alkoxy group (b), the alkoxyalkyl group (c), or the alkyl group (d).
- the stereoregularity (RR) of the substituted polythiophene (P) in the present invention is defined by the ratio (%) of the HT-HT bond (B1) in the substituted polythiophene (P), and is calculated by the following mathematical formula (1).
- Stereoregularity (RR) B1 ⁇ 100 / (B1 + B2 + B3 + B4) (1) Where B1: HT-HT bond number, B2: TT-HT bond number, B3: HT-HH bond number, B4: TT-HH bond number.
- the stereoregularity (RR) is calculated from the ratio (%) of the peak integration value S1 using the following formula (2).
- Stereoregularity (RR) S1 ⁇ 100 / (S1 + S2 + S3 + S4) (2)
- the 1 H-NMR measurement was performed under the conditions of measuring solvent: deuterated chloroform, measuring temperature: 27 ° C., using a measuring instrument: AVANCE III 400 type digital NMR [manufactured by Bruker Biospin Co., Ltd.]. .
- the substituted polythiophene (P) which is a conductive polymer, donates electrons to the sulfur trioxide complex as a dopant to form a charge transfer complex together with the dopant. Since this charge transfer complex exhibits conductivity as an electron carrier, the concentration of the sulfur trioxide complex is preferably high, but if it is excessive, the conductivity is lowered. Accordingly, the use amount of the sulfur trioxide complex is preferably 5 to 300% by weight, more preferably 10 to 150% by weight, based on the substituted polythiophene (P).
- the sulfur trioxide complex is a complex of sulfur trioxide and a Lewis base such as ether, amide, amine and sulfide.
- a Lewis base such as ether, amide, amine and sulfide.
- sulfur trioxide dioxane complex sulfur trioxide dioxolane complex
- sulfur trioxide dimethyl ether complex sulfur trioxide ethyl methyl ether complex
- sulfur trioxide diethyl ether complex etc.
- Sulfur trioxide N, N-dimethylformamide complex etc.
- Examples of amine / sulfur trioxide complexes include sulfur trioxide pyridine complex, sulfur trioxide triethylamine complex, sulfur trioxide trimethylamine complex, sulfur trioxide N-ethyldiisopropylamine complex, etc.
- Examples of the sulfide / sulfur trioxide complex include sulfur trioxide dimethyl sulfide complex, sulfur trioxide ethylmethyl sulfide complex, and sulfur trioxide diethyl sulfide complex. Of these, amide / sulfur trioxide complexes and amine / sulfur trioxide complexes are preferred from the viewpoint of conductivity.
- sulfur trioxide N N-dimethylformamide complexes
- amine / sulfur trioxides are preferred.
- sulfur trioxide pyridine complexes are more preferred.
- the conductive composition (A) of the present invention contains a sulfur trioxide complex as a dopant, and can further contain other dopants and organic solvents as long as the effects of the present invention are not impaired.
- dopants include, for example, inorganic acids (such as sulfuric acid and nitric acid), halogen ions (such as iodine, bromine and chlorine), halide ions (such as tetrafluoroboron and perchloric acid), quinone compounds [chloranilic acid, p-chloranil, p-benzoquinone, p-quinonedioxime, dichlorodicyanoquinone (DDQ), p-naphthoquinone, anthraquinone, chloroanthraquinone and p-toluquinone), alkyl-substituted organic sulfonate ions (methanesulfonic acid and dodecylsulfone) Acid), cyclic sulfonate ions (camphor sulfonate ions, etc.), alkyl-substituted or unsubstituted benzene mono- or disulf
- the amount of other dopant used is preferably 0 to 1100% by weight, more preferably 10 to 600% by weight, based on the substituted polythiophene (P).
- the conductive composition (A) of the present invention may further contain an organic solvent as described above. After apply
- the organic solvent it is preferable to use a good solvent for the substituted polythiophene (P) and a good solvent for the dopant in order to obtain a uniform solution having no precipitate.
- Examples of the good solvent for the substituted polythiophene (P) include chlorine-based, amide-based, ether-based, aromatic hydrocarbon-based, alcohol-based, ketone-based and sulfur-based solvents having 1 to 10 carbon atoms. Chloroform, methylene chloride, dimethylformamide, N-methylpyrrolidone, tetrahydrofuran (hereinafter abbreviated as THF), 1,3-dioxolane, toluene, methanol, acetone, methyl ethyl ketone, ⁇ -butyrolactone, cyclopentanone, cyclohexanone, dimethyl sulfoxide and these And the like.
- THF tetrahydrofuran
- the content of the good solvent in the mixed solution of the good solvent for the substituted polythiophene (P) and the substituted polythiophene (P) is preferably 0 to 99% by weight, more preferably 50 to 98% by weight in the solution. .
- Examples of the good solvent for the dopant include methanol, ethanol, 2-propanol, ethylene glycol, N-methylpyrrolidone, THF, ⁇ -butyrolactone, and cyclopentanone. Of these, methanol, ethanol, 2-propanol and ⁇ -butyrolactone are preferable from the viewpoint of dissolution stability.
- the content of the good solvent in the mixed solution of the good solvent for the dopant and the dopant is preferably 0 to 99% by weight, more preferably 50 to 98% by weight in the solution.
- the solvent is removed by natural drying at room temperature or heat drying by circulating drying, but in the case of a solvent having a high boiling point, heat drying by a vacuum dryer is preferable.
- the conductive composition (A) of the present invention is particularly suitable for a solid electrolytic capacitor electrode.
- a solid electrolytic capacitor is a capacitor in which an oxide film such as aluminum is etched to form a porous film, and a conductive polymer layer is formed on this surface to form an electrode (cathode).
- the conductive composition (A) of the present invention is completely dissolved in an organic solvent and has high conductivity, a porous polymer film is impregnated with a conductive polymer in a simple process, Capacitor capacity can be increased efficiently, and since the dopant is not an acid, there is no risk of corrosion.
- the electrode for a solid electrolytic capacitor having a high withstand voltage and a small leakage current can be obtained by applying a heat treatment after applying the conductive composition (A) of the present invention to a substrate.
- Examples of the method for applying the conductive composition (A) to the substrate include spin coating, drop casting, dip coating, and a method of impregnating the conductive composition (A) with the substrate.
- Examples of the substrate include plastic, glass, metal, rubber, ceramics, and paper.
- the thickness of the film obtained by drying the conductive composition (A) formed on the substrate surface is preferably 0.05 to 100 ⁇ m, more preferably 0.1 to 50 ⁇ m. It is. If the coating is thinner than 0.05 ⁇ m, sufficient conductivity may not be obtained. On the other hand, if the thickness exceeds 100 ⁇ m, there may be a problem that cracking or peeling tends to occur during formation.
- the heat treatment temperature is preferably 100 to 190 ° C, more preferably 110 to 170 ° C.
- the temperature is lower than 100 ° C., sufficient strength and conductivity may not be obtained.
- the temperature is higher than 190 ° C., the conductivity may be deteriorated.
- the heating time is appropriately selected according to the heating temperature and the concentration of the substituted polythiophene (P) in the conductive composition (A), but is usually 0.5 to 8 hours, preferably 1 to 4 hours. is there. When heating time is too short, the electroconductivity of the conductive film obtained from said electroconductive composition (A) may not be enough.
- the conductive composition (A) of the present invention is useful because it contains a non-acid dopant and is low in corrosiveness and excellent in conductivity, and can produce a conductive film only by simple coating.
- a capacitor film can be efficiently increased by impregnating a porous film with a conductive polymer by a simple process, and a solid electrolytic capacitor having a high withstand voltage and a small leakage current can be produced.
- a part shows a weight part.
- the reaction solution was heated to 110 ° C. and reacted for 2 hours. After completion of the reaction, the mixture was allowed to cool to room temperature, 50 parts of a 1 mol / L ammonium chloride aqueous solution was added, the mixture was transferred to a separatory funnel using 50 parts of ethyl acetate, and the aqueous layer was separated. Further, the organic layer was washed twice with 30 parts of distilled water, and then ethyl acetate was distilled off to obtain 34.0 parts of 3- (1,4,7,10-tetraoxaundecyl) thiophene.
- reaction solution was allowed to cool to room temperature, and 20 parts of methanol was added. After distilling off the solvent, the reaction mixture was transferred to a Soxhlet extractor and washed in order with 150 parts of methanol and 150 parts of hexane. Finally, the residue was extracted with 150 parts of chloroform, and the solvent was distilled off to obtain 3.1 parts of poly [3- (1,4,7,10-tetraoxaundecyl) thiophene] (P-1). .
- the stereoregularity calculated by the above-described method using 1 H-NMR was 96.3%.
- ⁇ Production Example 3> Synthesis of poly (3-heptyloxythiophene) (P-3) The same as Production Example 1 except that in Production Example 1 (1), triethylene glycol monomethyl ether was changed to 1-heptanol. An experimental operation was performed to obtain 2.7 parts of poly (3-heptyloxythiophene) (P-3) having a stereoregularity of 95.4%.
- reaction solution was allowed to cool to room temperature, and 5 parts of methanol was added.
- the reaction mixture was transferred to a Soxhlet extractor and washed sequentially with 150 parts of methanol and 150 parts of hexane. Finally, the residue was extracted with 150 parts of chloroform, the solvent was distilled off, and poly ⁇ 3- (2,5-dioxaheptyl) thiophene ⁇ (P-4) 2 having a stereoregularity of 94.6% .85 parts were obtained.
- Examples 1 to 16 By blending the substituted polythiophenes (P-1) to (P-5) obtained in Production Examples 1 to 5 with the number of parts listed in Table 1 and the sulfur trioxide complex and organic solvent shown in Table 1, Inventive conductive compositions (A-1) to (A-16) were obtained.
- Conductive compositions (A-1) to (A-16) of Examples 1 to 16 and comparative conductive compositions (A′-1) to (A′-3) were placed on a glass substrate with a doctor blade. It was applied to a 3 cm ⁇ 7 cm rectangular pattern, dried under reduced pressure at room temperature for 30 minutes, and then heated on a hot plate at 170 ° C. for 60 minutes to obtain a conductive film.
- the solid electrolytic capacitor using the conductive composition of the present invention has a value close to the theoretical capacitance (4.2 ⁇ F) while maintaining the low internal resistance necessary for the capacitor.
- the capacitor using the conductive composition of Comparative Example 1 since the dopant was an acid, corrosion occurred inside the electrode, leakage was large, and measurement was impossible.
- the capacitor using the conductive composition for a solid electrolytic capacitor of Comparative Example 2 since the conductive polymer is present in the solution as a dispersion, clogging occurs in the pores, and the conductive polymer is Not fully impregnated. Therefore, the internal resistance was high and only about 1/10 of the theoretical capacitance was obtained.
- Comparative Example 3 the capacity is insufficient and the internal resistance is large. Also, the withstand voltage was lower than that of Examples 1-16. As shown in Table 1, it was shown that the conductive composition of the present invention has high conductivity.
- the conductive composition (A) of the present invention can be applied to metals and the like that are susceptible to corrosion because of its low corrosivity, and its conductive film is highly conductive, so it can be applied to various conductive functional materials. I can expect. In particular, it is useful as an electrode for a solid electrolytic capacitor.
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Abstract
Description
下記一般式(1)で示されるポリエーテル基(a)、
炭素数1~15であるアルコキシ基(b)、
炭素数2~19であるアルコキシアルキル基(c)並びに
炭素数1~15であるアルキル基、又は該アルキル基の水素原子が前記ポリエーテル基(a)で置換されたアルキル基(d)
からなる群から選ばれる少なくとも1つの基でチオフェン環の3位及び/又は4位が置換されたチオフェン繰り返し単位(α)である置換ポリチオフェン(P)並びに三酸化硫黄錯体を含有することを特徴とする導電性組成物(A)である。
炭素数2~4のオキシアルキレン基としては、オキシエチレン基、オキシプロピレン基及びオキシブチレン等が挙げられる。
アルキル基(d)としては、上記アルキル基の水素原子が前記ポリエーテル基(a)で置換されたアルキル基であってもよい。
nが0の場合、R4として導電性の観点から好ましいのは、炭素数3~12の直鎖又は分岐のアルキル基、更に好ましいのは、炭素数6~12の直鎖又は分岐のアルキル基である。
mが0の場合、R7として導電性の観点から好ましいのは、炭素数3~12の直鎖又は分岐のアルキル基、更に好ましいのは、炭素数6~12の直鎖又は分岐のアルキル基である。
置換されていないチオフェン繰り返し単位に相当するモノマーとしては、チオフェンが挙げられる。
置換ポリチオフェン(P)の結合の種類は下記の一般化学式に示すように、HT-HT結合(B1)、TT-HT結合(B2)、HT-HH結合(B3)、TT-HH結合(B4)の4種類ある。尚ここで、HTはヘッドtoテール、TTはテールtoテール、HHはヘッドtoヘッドの略称である。
立体規則性(RR)=B1×100/(B1+B2+B3+B4) (1)
ただし、B1:HT-HT結合の個数、B2:TT-HT結合の個数、B3:HT-HH結合の個数、B4:TT-HH結合の個数を表す。
一般式(3)で表される繰り返し単位(α3)を有するポリチオフェン誘導体の場合、具体的には、HT-HT結合(B1):δ=6.98、TT-HT結合(B2):δ=7.00、HT-HH結合(B3):δ=7.02、TT-HH結合(B4):δ=7.05を示す。よって(B1)、(B2)、(B3)、(B4)特有のケミカルシフトにおけるピークの積分値S1、S2、S3、S4を計算し、その積分値の和に対する(B1)特有のケミカルシフトにおけるピークの積分値S1の割合(%)から立体規則性(RR)を下記数式(2)を用いて算出する。
立体規則性(RR)=S1×100/(S1+S2+S3+S4) (2)
なお、上記1H-NMRの測定は、測定機器:AVANCEIII400型デジタルNMR[ブルカ-・バイオスピン(株)製]を用いて、測定溶媒:重クロロホルム、測定温度:27℃、の条件で行った。
(1)3-(1,4,7,10-テトラオキサウンデシル)チオフェンの合成:
N,N-ジメチルホルムアミド50部に水素化ナトリウム(パラフィンに濃度60重量%で分散させたもの)6.0部を分散させ、そこにトリエチレングリコールモノメチルエーテル36.9部を滴下した。反応溶液は発泡し、白濁した。発泡が収まったところで、反応溶液に3-ブロモチオフェン24.5部と臭化銅(I)2.0部を順に加えた。反応溶液を110℃まで加熱し、2時間反応させた。反応終了後、室温まで放冷し、1mol/Lの塩化アンモニウム水溶液50部を加え、酢酸エチル50部を使って分液ロートに移した後、水層を分離した。更に有機層を蒸留水30部で2回洗浄した後、酢酸エチルを留去し、3-(1,4,7,10-テトラオキサウンデシル)チオフェン34.0部を得た。
上記の3-(1,4,7,10-テトラオキサウンデシル)チオフェン7.4部とN-ブロモスクシンイミド10.7部をTHF40部に溶解させ、室温で2時間反応させた。酢酸エチル50部を使ってグラスフィルターで沈殿物を除去し、THFと酢酸エチルを留去した。得られた混合物をシリカゲルカラムで精製することにより、2,5-ジブロモ-3-(1,4,7,10-テトラオキサウンデシル)チオフェン10.5部を得た。
上記の2,5-ジブロモ-3-(1,4,7,10-テトラオキサウンデシル)チオフェン8.1部をTHF150部に溶かした後、1mol/LのメチルマグネシウムブロマイドTHF溶液21部を加え、75℃で30分反応させた。その反応溶液に[1,3-ビス(ジフェニルホスフィノ)プロパン]-ジクロロニッケル(II)0.1部を加え、75℃のまま、更に5時間反応させた。反応溶液を室温まで放冷した後、メタノール20部を加えた。溶剤を留去した後、反応混合物をソックスレー抽出器に移し、メタノール150部とヘキサン150部で順に洗浄した。最後に残留物をクロロホルム150部で抽出し、溶剤を留去してポリ[3-(1,4,7,10-テトラオキサウンデシル)チオフェン](P-1)3.1部を得た。前述の1H-NMRを用いた方法で算出した立体規則性は96.3%であった。
製造例1の(1)において、トリエチレングリコールモノメチルエーテルをヘキサエチレングリコールモノメチルエーテル(東京化成社製)としたこと以外は製造例1と同様の実験操作を行い、立体規則性が95.1%であるポリ[3-(1,4,7,10,13,16,19-ヘプタオキサエイコシル)チオフェン](P-2)2.9部を得た。
尚、トリエチレングリコールモノメチルエーテルをヘキサエチレングリコールモノメチルエーテルに変更するに際して、反応成分のモル比及び非反応成分(溶剤等)の重量比が、製造例1における場合と同等となるように各原料の量を調整して実験操作を行った。
製造例1の(1)において、トリエチレングリコールモノメチルエーテルを1-ヘプタノールとしたこと以外は製造例1と同様の実験操作を行い、立体規則性が95.4%であるポリ(3-ヘプチルオキシチオフェン)(P-3)2.7部を得た。
(1)3-ブロモメチルチオフェンの合成:
3-メチルチオフェン[東京化成工業(株)製]5部(50.9mmol)、N-ブロモスクシンイミド9.97部(56.0mmol)、ジベンゾイルパーオキサイド[東京化成工業(株)製]0.12部(0.50mmol)をベンゼン30部に溶解させた後、100℃まで昇温し、4時間反応させた。反応終了後、室温まで放冷し、1Mのチオ硫酸ナトリウム水溶液30部を加え、分液ロートに移した後、水層を分離した。更に有機層を蒸留水30部で2回洗浄した後、ベンゼンを留去し、3-ブロモメチルチオフェン6.32部(35.7mmol)を得た。
2-エトキシエタノール3.54部(39.3mmol)をTHF15部に溶解させ、そこに水素化ナトリウム(60%パラフィン分散)を加えた。上記の3-ブロモメチルチオフェン6.32部(35.7mmol)をTHF15部に溶かし、2時間かけて滴下した後、100℃まで昇温し、4時間反応させた。反応終了後、室温まで放冷し、蒸留水30部を加え、分液ロートに移した後、水層を分離した。更に有機層を蒸留水30部で2回洗浄した後、THFを留去し、得られた混合物をシリカゲルカラムで精製することにより、3-(2,5-ジオキサヘプチル)チオフェン5.68部(30.5mmol)を得た。
上記の3-(2,5-ジオキサヘプチル)チオフェン5.68部(30.5mmol)とN-ブロモスクシンイミド11.9部(67.1mmol)をTHFに溶解させ、室温で2時間反応させた。酢酸エチル50部を使ってグラスフィルターで沈殿物を除去し、THFと酢酸エチルを留去した。得られた混合物をシリカゲルカラムで精製することにより、2,5-ジブロモ-3-(2,5-ジオキサヘプチル)チオフェン8.11部(23.6mmol)を得た。
上記の2,5-ジブロモ-3-(2,5-ジオキサヘプチル)チオフェン8.11部(23.6mmol)をTHF30部に溶かした後、メチルマグネシウムブロマイドTHF溶液25部を加え、75℃で30分反応させた。その反応溶液に[1,3-ビス(ジフェニルホスフィノ)プロパン]-ジクロロニッケル(II)0.127部を加え、75℃のまま、さらに、2時間反応させた。反応溶液を室温まで放冷した後、メタノール5部を加えた。反応混合物をソックスレー抽出機に移し、メタノール150部とヘキサン150部で順に洗浄した。最後に残留物をクロロホルム150部で抽出し、溶剤を留去して、立体規則性が94.6%であるポリ{3-(2,5-ジオキサヘプチル)チオフェン}(P-4)2.85部を得た。
製造例1の(3)において、2,5-ジブロモ-3-(1,4,7,10-テトラオキサウンデシル)チオフェンを2,5-ジブロモ-3-ドデシルチオフェン(アルドリッチ社製)としたこと以外は製造例1と同様の実験操作を行い、立体規則性が96.4%であるポリ(3-ドデシルチオフェン)(P-5)3.5部を得た。
表1に記載の配合部数の製造例1~5で得られた置換ポリチオフェン(P-1)~(P-5)、表1に示した三酸化硫黄錯体及び有機溶剤を配合することにより、本発明導電性組成物(A-1)~(A-16)を得た。
置換ポリチオフェン(P-1)1.0部、クロラニル酸0.3部及び有機溶剤として1,3-ジオキソラン30.0部を配合することにより、比較用の導電性組成物(A’-1)を得た。
ポリチオフェンの水分散体として知られている、「PEDOT/PSS」(H.C.スタルク社製のBaytron-P;3,4―エチレンジオキシチオフェンを高分子量ポリスチレンスルホン酸水溶液中で重合してなる導電性ポリマー)をそのまま比較用の導電性組成物(A’-2)とした。
置換ポリチオフェン(P-1)1.0部、p-トルエンスルホン酸鉄2.7部並びに有機溶剤として1,3-ジオキソラン32.3部及びメタノール8.4部を配合することにより、比較用の導電性組成物(A’-3)を得た。
実施例1~16の導電性組成物(A-1)~(A-16)及び比較用の導電性組成物(A’-1)~(A’-3)をガラス基板上にドクターブレードを用いて3cm×7cmの長方形パターンに塗布して、室温で30分減圧乾燥した後、170℃で60分間ホットプレートで加熱して導電被膜を得た。
得られた導電被膜の表面抵抗をJIS K 7194「導電性プラスチックの4探針法による抵抗率試験方法」に準拠して測定した。
次に、導電被膜の膜厚をレーザー顕微鏡(キーエンス社製VK-8700)を用いて測定し、表面抵抗と膜厚から導電被膜の導電率を算出した。
<腐食性評価基準>
○(腐食がみられない)
×(腐食がみられる)
表1に示す通り、本発明の導電性組成物は腐食性がないことを示された。
(1)陽極上の誘電体膜の作製
陽極金属としてのアルミニウムエッチド箔(サイズ:4×3.3mm)を、3重量%アジピン酸アンモニウム水溶液に浸漬し、定電流定電圧電源装置を用いて0.53mA/secの条件で、0Vから40Vまで上げた後、40Vの定電圧を40分間印加して化成処理し、該アルミニウムエッチド箔の表面に酸化皮膜からなる誘電体膜を形成した。これを脱イオン水の流水により10分洗浄してから105℃で5分乾燥を行ない、陽極金属と誘電体膜とからなる陽極を作製した。得られた陽極を前記アジピン酸アンモニウム水溶液中に浸漬し、120Hzで静電容量測定し、その値である4.2μFを理論静電容量とした。
導電性組成物(A-1)~(A-16)及び(A’-1)~(A’-3)を陽極を浸漬し、引き上げた後、室温で30分減圧乾燥を行うことにより、電解質層を形成し固体電解コンデンサ用電極を作製した。
(3)電解コンデンサの作製
上記で得られた電解質層の上に、カーボンペースト[日本黒鉛(株)製の「バニーハイトFU」]を塗布、乾燥後、更に、銀ペースト[日本黒鉛(株)製の「エブリオームME」]を塗布乾燥し、陰極を形成した。銀ペーストからリード線を引き出し、端子を接続した。
得られた電解コンデンサの120Hzでの静電容量及び100kHzでの内部抵抗をLCRメーターで測定し、リークの有無及び耐電圧を以下の基準で評価した。
<リークの評価基準>
LCRメーターで測定時に、リーク電流が低下せずに静電容量、内部抵抗が測定できなかったものを×とし、リーク電流が低下して静電容量、内部抵抗が測定できたものを○とした。
<耐電圧の評価基準>
直流電源装置[高砂製作所製GP0650-05R]で0.2mAの低電流モードで電圧を印加、自動昇圧し、放電により電圧が急落する直前の電圧を耐電圧とした。
表1に示す通り、本発明の導電性組成物は導電性が高いことが示された。
Claims (10)
- チオフェン繰り返し単位のうちの少なくとも一部が、
下記一般式(1)で示されるポリエーテル基(a)、
炭素数1~15であるアルコキシ基(b)、
炭素数2~19であるアルコキシアルキル基(c)並びに
炭素数1~15であるアルキル基、又は該アルキル基の水素原子が前記ポリエーテル基(a)で置換されたアルキル基(d)
からなる群から選ばれる少なくとも1つの基でチオフェン環の3位及び/又は4位が置換されたチオフェン繰り返し単位(α)である置換ポリチオフェン(P)並びに三酸化硫黄錯体を含有することを特徴とする導電性組成物(A)。
- 前記繰り返し単位(α1)が、一般式(2)におけるOR3がオキシエチレン基であり、nが0の場合にはR4が炭素数3~12の直鎖又は分岐のアルキル基であり、nが1以上の場合にはR4が炭素数1~6の直鎖又は分岐のアルキル基であるものであり、前記繰り返し単位(α2)が、一般式(3)におけるR5が炭素数1~3の直鎖又は分岐のアルキレン基であって、OR6がオキシエチレン基であり、mが0の場合にはR7が炭素数3~12の直鎖又は分岐のアルキル基であり、mが1以上の場合にはR7が炭素数1~6の直鎖又は分岐のアルキル基であるものであり、前記繰り返し単位(α3)が、一般式(4)におけるR8が炭素数3~12の直鎖又は分岐のアルキル基であるものである請求項2記載の導電性組成物。
- 前記置換ポリチオフェン(P)における前記チオフェン繰り返し単位(α)の含有量が、置換ポリチオフェン(P)中、50~100重量%である請求項1~3のいずれか1項に記載の導電性組成物。
- 前記置換ポリチオフェン(P)中のヘッドtoテール-ヘッドtoテール結合の百分率で定義される立体規則性が、90%以上である請求項1~4のいずれか1項に記載の導電性組成物。
- 三酸化硫黄錯体が、三酸化硫黄N,N-ジメチルホルムアミド錯体、三酸化硫黄ピリジン錯体及び三酸化硫黄トリエチルアミン錯体からなる群から選択される少なくとも1種の三酸化硫黄錯体である請求項1~5のいずれか1項に記載の導電性組成物。
- 前記置換ポリチオフェン(P)の重量に基づく三酸化硫黄錯体の含有量が、5~300重量%である請求項1~6のいずれか1項に記載の導電性組成物。
- 請求項1~7のいずれか1項に記載の導電性組成物を用いてなる固体電解コンデンサ用電極。
- 請求項1~7のいずれか1項に記載の導電性組成物を用いてなる固体電解コンデンサ。
- 請求項1~7のいずれか1項に記載の導電性組成物を基質に塗布後、加熱処理する工程を含む導電性被膜の製造方法。
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SG2013026588A SG189334A1 (en) | 2010-10-20 | 2011-10-17 | Conductive composition and method for producing conductive coating film |
CN201180050222.9A CN103154077B (zh) | 2010-10-20 | 2011-10-17 | 导电性组合物和导电性覆膜的制造方法 |
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WO2020220548A1 (zh) * | 2019-04-30 | 2020-11-05 | 深圳市华星光电技术有限公司 | 透明导电材料及其制作方法及透明导电膜的制作方法 |
JP6991471B2 (ja) | 2017-01-03 | 2022-02-03 | ビーエーエスエフ ソシエタス・ヨーロピア | 高電圧電池用の電解質成分としてのピリジン三酸化硫黄錯体 |
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CN104637687B (zh) * | 2015-02-06 | 2017-07-14 | 肇庆绿宝石电子科技股份有限公司 | 一种高压固体电解质铝电解电容器的制造方法 |
CN107337782B (zh) * | 2016-12-29 | 2021-04-20 | 江苏苏博特新材料股份有限公司 | 一种适用于低温施工的水泥基材料分散剂及其制备方法 |
CN109651600A (zh) * | 2018-11-12 | 2019-04-19 | 深圳烯湾科技有限公司 | 一种聚3-己基噻吩的制备方法 |
CN110218298B (zh) * | 2019-06-10 | 2021-12-24 | 华东师范大学 | 一种可溶性噻吩共聚物及其制备方法和应用 |
CN115594618B (zh) * | 2022-09-27 | 2024-04-02 | 山东农业大学 | 一种高电导率的掺杂阴离子的塑晶类固态电解质材料及其制备方法 |
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