Method of producing amine adduct of conductive composite, method of producing amine adduct liquid of conductive composite, and method of producing conductive film

Patent metadata

Field	Value
Publication number	US-10640627-B2
Application number	US-201715712648-A
Country	US
Kind code	B2
Filing date	Sep 22, 2017
Priority date	Sep 30, 2016
Publication date	May 5, 2020
Grant date	May 5, 2020

Abstract

Provided is a method of producing an amine adduct of a conductive composite, including: adding an amine compound to a conductive polymer dispersion liquid which contains water and a conductive composite containing a π conjugated conductive polymer and a polyanion at a mass ratio of the π conjugated conductive polymer to the polyanion of 1:3 to 1:7.5 to precipitate an amine adduct of the conductive composite.

First claim

What is claimed is:

1. A method of producing an amine adduct of a conductive composite, comprising:
precipitating the amine adduct of the conductive composite containing poly(3,4-ethylenedioxythiophene polystyrene sulfonic acid by adding an amine compound and a first organic solvent to a conductive polymer dispersion liquid containing water and the conductive composite, the conductive composite having a mass ratio of the poly(3,4-ethylenedioxythiophene) to the polystyrene sulfonic acid of 1:3.0 to 1:7.5, and
separating an excess polystyrene sulfonic acid which does not form the conductive composite from the precipitated amine adduct and collecting the precipitated amine adduct by filtration.

2. The method of producing an amine adduct of a conductive composite according to claim 1 , further comprising:
washing the collected amine adduct with a second organic solvent.

3. The method of producing an amine adduct of a conductive composite according to claim 1 ,
wherein the first organic solvent added to the conductive polymer dispersion liquid is isopropanol.

4. The method of producing an amine adduct of a conductive composite according to claim 2 ,
wherein the second organic solvent for washing the amine adduct is acetone.

5. The method of producing an amine adduct of a conductive composite according to claim 1 ,
wherein the amine compound is trioctylamine or tributylamine.

6. A method of producing an amine adduct liquid of a conductive composite comprising:
obtaining an amine adduct of the conductive composite according to the production method according to claim 1 ; and
dissolving or dispersing the amine adduct of the conductive composite in third organic solvent.

7. The method of producing an amine adduct liquid of a conductive composite according to claim 6 ,
wherein the third organic solvent is isopropanol or methyl ethyl ketone.

8. The method of producing an amine adduct liquid of a conductive composite according to claim 6 , further comprising:
adding a binder component.

9. The method of producing an amine adduct liquid of a conductive composite according to claim 8 ,
wherein the binder component has active energy ray curability.

10. A method of producing a conductive film, comprising:
a step of obtaining an amine adduct liquid of the conductive composite according to the production method according to claim 6 ;
a coating step of coating at least one surface of a base film with the amine adduct liquid of the conductive composite; and
a drying step of drying the applied amine adduct liquid.

11. The method of producing a conductive film according to claim 10 ,
wherein the amine adduct liquid contains a binder component having active energy ray curability, and
the method further comprises an active energy ray irradiating step of irradiating a coated film of the dried amine adduct liquid with active energy rays after the drying step.

12. The method of producing an amine adduct of a conductive composite according to claim 1 , comprising adding the first organic solvent to the conductive polymer dispersion liquid after adding the amine compound.

13. The method of producing an amine adduct of a conductive composite according to claim 1 , comprising adding the first organic solvent to the conductive polymer dispersion liquid before adding the amine compound.

14. The method of producing an amine adduct of a conductive composite according to claim 1 , comprising combining the first organic solvent and the amine compound to form a mixed solution and adding the mixed solution to the conductive polymer dispersion liquid.

15. The method of producing an amine adduct of a conductive composite according to claim 1 , wherein the first organic solvent includes isopropanol and the amine compound is at least one of tributylamine and trioctylamine.

16. A method of producing an amine adduct of a conductive composite, comprising:
precipitating the amine adduct of the conductive composite containing a π conjugated conductive polymer and a polyanion by adding an amine compound and a first organic solvent to a conductive polymer dispersion liquid containing water and the conductive composite, the conductive composite having a mass ratio of the π conjugated conductive polymer to the polyanion of 1:3.0 to 1:7.5,
separating an excess polyanion which does not form the conductive composite from the precipitated amine adduct by filtration; and
collecting the precipitated amine adduct.

17. The method of producing an amine adduct of a conductive composite according to claim 16 , wherein the π conjugated conductive polymer is poly(3,4-ethylenedioxythiophene).

18. The method of producing an amine adduct of a conductive composite according to claim 16 , wherein the polyanion is polystyrene sulfonic acid.

19. The method of producing an amine adduct of a conductive composite according to claim 16 , comprising adding the first organic solvent to the conductive polymer dispersion liquid after adding the amine compound.

20. The method of producing an amine adduct of a conductive composite according to claim 16 , comprising adding the first organic solvent to the conductive polymer dispersion liquid before adding the amine compound.

21. The method of producing an amine adduct of a conductive composite according to claim 16 , comprising combining the first organic solvent and the amine compound to form a mixed solution and adding the mixed solution to the conductive polymer dispersion liquid.

22. The method of producing an amine adduct of a conductive composite according to claim 16 , wherein the first organic solvent includes isopropanol.

23. The method of producing an amine adduct of a conductive composite according to claim 16 , wherein the first organic solvent includes isopropanol and the amine compound is at least one of tributylamine and trioctylamine.

Assignees

• Shinetsu Polymer Co
• Nissin chemical ind co ltd

Inventors

• Matsubayashi Sou
• Suzuki Takanori

Classifications

• C08K5/17 Primary

  Amines; Quaternary ammonium compounds · CPC title

• C08J2425/18

  Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen · CPC title

• C08J2475/14

  Polyurethanes having carbon-to-carbon unsaturated bonds · CPC title

• C08L65/00

  Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain (C08L7/00 - C08L57/00, C08L61/00 take precedence); Compositions of derivatives of such polymers · CPC title

• C08L25/18

  Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen · CPC title