IP Library Granted Patent US 8,227,025
Granted Patent B2
US 8,227,025 · App. 12/262,340 · Granted Jul 24, 2012

Conductive polymer coatings and methods of forming the same

Assignee: GVD Corporation
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Quick Facts
Patent No.
US 8,227,025
App. No.
12/262,340
Granted
Jul 24, 2012
Kind
B2
Abstract

Conductive polymer coatings and methods of forming the same are provided.

Claims (40)

1. A method of forming an electrically conductive polymer coating on a surface, comprising the steps of:

contacting said surface with a gaseous metal-containing oxidant, thereby forming an oxidant-enriched surface; and

contacting said oxidant-enriched surface with a gaseous polymerizable species, thereby forming an electrically conductive polymer coating on said surface, wherein said gaseous polymerizable species is selected from the group consisting of metal-organic compounds, pyridines, phenanthrolines, furans, heteroarenes with more than one ring heteroatom, oligomers of thiophenes, oligomers of pyrroles, oligomers of anilines, benzenoid arenes, and non-benzenoid aromatic compounds;

wherein the surface has a first temperature at a first location, forming a coating with a first electrical conductivity at the first location, and wherein the surface has a second temperature at a second location, forming a coating with a second electrical conductivity at the second location.

2. The method of claim 1 , wherein said electrically conductive polymer coating is formed by contacting said oxidant-enriched surface with more than one gaseous polymerizable species.

3. The method of claim 1 , wherein said metal-organic compounds, pyridines, phenanthrolines, furans, heteroarenes with more than one ring heteroatom, benzenoid arenes, and non-benzenoid aromatic compounds are selected from the group consisting of monomers and oligomers.

4. The method of claim 1 , wherein said electrically conductive polymer coating provides electromagnetic interference shielding.

5. The method of claim 1 , wherein said electrically conductive polymer coating comprises impurities from the coating formation process.

6. The method of claim 1 , wherein the temperature of said surface is changed during formation of the conductive polymer coating.

7. A method of forming an electrically conductive polymer coating on a surface, comprising the steps of:

contacting said surface with a gaseous polymerizable species, thereby forming a polymerizable species-enriched surface, wherein said gaseous polymerizable species is selected from the group consisting of arenes, heteroarenes, and metal-organic compounds; and

contacting said polymerizable species-enriched surface with a gaseous metal-containing oxidant, thereby forming an electrically conductive polymer coating on said surface;

wherein the surface has a first temperature at a first location, forming a coating with a first electrical conductivity at the first location, and wherein the surface has a second temperature at a second location, forming a coating with a second electrical conductivity at the second location.

8. The method of claim 7 , further comprising contacting said surface with a subambient temperature medium.

9. The method of claim 8 , wherein said subambient temperature medium is selected from the group consisting of a cold finger, a refrigerated stage, a thermoelectric cooler, and a cryogenically-cooled material.

10. The method of claim 7 , wherein said gaseous polymerizable species is selected from the group consisting of monomers and oligomers.

11. The method of claim 7 , wherein said heteroarenes are selected from the group consisting of thiophenes, pyrroles, pyridines, phenanthrolines, sequences of fused heteroarenes, and furans.

12. The method of claim 7 , wherein said polymerizable species-enriched surface is formed by contacting said surface with more than one gaseous polymerizable species.

13. The method of claim 7 , wherein said electrically conductive polymer coating provides electromagnetic interference shielding.

14. The method of claim 7 , wherein said electrically conductive polymer coating comprises impurities from the coating formation process.

15. A method of forming an electrically conductive polymer coating on a surface, comprising the steps of:

contacting the surface with a gaseous polymerizable species, thereby forming a polymerizable species-enriched surface, wherein the gaseous polymerizable species is selected from the group consisting of arenes, heteroarenes, and metal-organic compounds

contacting the polymerizable species-enriched surface with a gaseous metal-containing oxidant to initiate polymerization of the gaseous polymerizable species, thereby forming an electrically conductive polymer coating on said surface; and

exposing the electrically conductive polymer coating to a particle forming agent, thereby forming metallic particles within the electrically conductive polymer coating.

16. A method of forming an electrically conductive polymer coating on a surface comprising the steps of:

contacting said surface with a gaseous metal-containing oxidant and a gaseous polymerizable species, thereby forming an electrically conductive polymer coating on said surface, wherein said gaseous polymerizable species is selected from the group consisting of arenes, heteroarenes, and metal-organic compounds; and

exposing said electrically conductive polymer coating to a particle forming agent, thereby forming metallic particles within the electrically conductive polymer coating.

17. The method of claim 16 , wherein said heteroarenes are selected from the group consisting of thiophenes, pyrroles, pyridines, phenanthrolines, sequences of fused heteroarenes, and furans.

18. The method of claim 16 , wherein said surface is contacted with more than one gaseous polymerizable species.

19. The method of claim 16 , wherein said arenes, heteroarenes, and metal-organic compounds are selected from the group consisting of monomers and oligomers.

20. The method of claim 16 , wherein said electrically conductive polymer coating is an n-type electrically conductive polymer.

21. The method of claim 16 , wherein contacting said surface with a gaseous metal-containing oxidant forms an oxidant-enriched surface, followed by contacting said oxidant-enriched surface with a gaseous polymerizable species, forming an electrically conductive polymer coating.

22. The method of claim 16 , wherein contacting said surface with a gaseous polymerizable species forms a polymerizable species-enriched surface, followed by contacting said polymerizable species-enriched surface with a gaseous metal-containing oxidant, forming an electrically conductive polymer coating.

23. The method of claim 16 , wherein said electrically conductive polymer coating provides electromagnetic interference shielding.

24. The method of claim 16 , wherein said electrically conductive polymer coating comprises impurities from the coating formation process.

25. The method of claim 15 , wherein the surface has a first temperature at a first location, forming a coating with a first electrical conductivity at the first location, and wherein the surface has a second temperature at a second location, forming a coating with a second electrical conductivity at the second location.

26. The method of claim 16 , wherein the surface has a first temperature at a first location, forming a coating with a first electrical conductivity at the first location, and wherein the surface has a second temperature at a second location, forming a coating with a second electrical conductivity at the second location.

27. The method of claim 15 , said heteroarenes are selected from the group consisting of thiophenes, pyrroles, pyridines, phenanthrolines, sequences of fused heteroarenes, and furans.

28. The method of claim 15 , said arenes are selected from the group consisting of benzenoid arenes, non-benzenoid aromatic compounds and anilines.

29. The method of claim 16 said arenes are selected from the group consisting of benzenoid arenes, non-benzenoid aromatic compounds and anilines.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 27, 2009
From: PRYCE LEWIS, HILTON G.; HANDY, ERIK S.
To: GVD CORPORATION
Reel/Frame 022319/0739 →
Continuity (2)
Provisional Application 61001789 · Nov 2, 2007
Related Publication 20090117268A1 · May 7, 2009