Conductive polymer composite and substrate

Patent metadata

Field	Value
Publication number	US-10559397-B2
Application number	US-201815877891-A
Country	US
Kind code	B2
Filing date	Jan 23, 2018
Priority date	Feb 22, 2017
Publication date	Feb 11, 2020
Grant date	Feb 11, 2020

Abstract

An object of the present invention is to provide a conductive polymer composite which has good filterability and good film forming property by spin coating and, when a film is formed, can form a conductive film having high transparency and good flatness property. It is provided a conductive polymer composite comprising (A) a π-conjugated polymer, and (B) a dopant polymer containing a repeating unit “a” represented by the following general formula (1), and having a weight average molecular weight in the range of 1,000 to 500,000:

wherein, R 1 , Z 1 , Rf 1 , and “a” are as defined in the specification.

First claim

What is claimed is:

1. A conductive polymer composite which comprises a conductive polymer composite comprising
(A) a π-conjugated polymer, and
(B) a dopant polymer containing a repeating unit represented by the following general formula (1) and having a weight average molecular weight in the range of 1,000 to 500,000,

wherein, R 1 represents a hydrogen atom or a methyl group; Rf 1 represents a linear or branched alkyl group having 1 to 4 carbon atoms or a phenyl group, and has at least one of a fluorine atom or a trifluoromethyl group in Rf 1 ; Z 1 represents a single bond, an arylene group having 6 to 12 carbon atoms or —C(═O)—O—R 2 —; R 2 represents a linear, branched or cyclic alkylene group having 1 to 12 carbon atoms, an arylene group having 6 to 10 carbon atoms or an alkenylene group having 2 to 10 carbon atoms, and may have an ether group, a carbonyl group or an ester group in R 2 ; and “a” is 0<a≤1.0.

2. The conductive polymer composite according to claim 1 , wherein the repeating unit represented by the general formula (1) in Component (B) contains one or more kinds of repeating units selected from repeating units represented by the following general formula (1-1):

wherein, R 1 and Rf 1 have the same meanings as defined above; and “a 1 ”, “a 2 ”, “a 3 ”, and “a 4 ” are 0≤a 1 ≤1.0, 0≤a 2 ≤1.0, 0≤a 3 ≤1.0, 0≤a 4 ≤1.0, and 0<a 1 +a 2 +a 3 +a 4 ≤1.0.

3. The conductive polymer composite according to claim 1 , wherein
Component (B) further contains a repeating unit represented by the following general formula (2):

wherein, “b” is 0<b<1.0.

4. The conductive polymer composite according to claim 2 , wherein
Component (B) further contains a repeating unit represented by the following general formula (2):

wherein, “b” is 0<b<1.0.

5. The conductive polymer composite according to claim 1 , wherein Component (B) is a block copolymer.

6. The conductive polymer composite according to claim 2 , wherein Component (B) is a block copolymer.

7. The conductive polymer composite according to claim 3 , wherein Component (B) is a block copolymer.

8. The conductive polymer composite according to claim 4 , wherein Component (B) is a block copolymer.

9. The conductive polymer composite according to claim 1 , wherein Component (A) is a material in which one or more kinds of precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellorophene, aniline, a polycyclic aromatic compound, and a derivative thereof is/are polymerized.

10. The conductive polymer composite according to claim 2 , wherein Component (A) is a material in which one or more kinds of precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellorophene, aniline, a polycyclic aromatic compound, and a derivative thereof is/are polymerized.

11. The conductive polymer composite according to claim 3 , wherein Component (A) is a material in which one or more kinds of precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellorophene, aniline, a polycyclic aromatic compound, and a derivative thereof is/are polymerized.

12. The conductive polymer composite according to claim 4 , wherein Component (A) is a material in which one or more kinds of precursor monomers selected from the group consisting of pyrrole, thiophene, selenophene, tellorophene, aniline, a polycyclic aromatic compound, and a derivative thereof is/are polymerized.

13. The conductive polymer composite according to claim 1 , wherein the conductive polymer composite has dispersibility in water or an organic solvent.

14. The conductive polymer composite according to claim 2 , wherein the conductive polymer composite has dispersibility in water or an organic solvent.

15. The conductive polymer composite according to claim 3 , wherein the conductive polymer composite has dispersibility in water or an organic solvent.

16. The conductive polymer composite according to claim 4 , wherein the conductive polymer composite has dispersibility in water or an organic solvent.

17. A substrate onto which a conductive film has been formed by the conductive polymer composite according to claim 1 .

18. A substrate onto which a conductive film has been formed by the conductive polymer composite according to claim 2 .

19. The substrate according to claim 17 , wherein the conductive film is a material which acts as a transparent electrode layer.

20. The substrate according to claim 18 , wherein the conductive film is a material which acts as a transparent electrode layer.

Assignees

• Shinetsu Chemical Co

Inventors

• Hatakeyama Jun
• Nagasawa Takayuki
• Hasegawa Koji

Classifications

• C08F220/585

  and containing other heteroatoms, e.g. 2-acrylamido-2-methylpropane sulfonic acid [AMPS] · CPC title

• C08L41/00

  Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur; Compositions of derivatives of such polymers · CPC title

• H01B1/125 Primary

  comprising aliphatic main chains, e.g. polyactylenes · CPC title

• C08F120/58

  containing oxygen in addition to the carbonamido oxygen {, e.g. N-methylolacrylamide, N-acryloyl morpholine} · CPC title

• C08K5/42

  Sulfonic acids; Derivatives thereof · CPC title