Water-soluble electrically conducting polymers, their synthesis and use

• US 7,166,241 B1
• Filed: 06/07/1995
• Issued: 01/23/2007
• Est. Priority Date: 03/03/1993
• Status: Expired due to Fees

• Current Assignee: International Business Machines Corporation
• Original Assignee: International Business Machines Corporation
• Inventors: Angelopoulos, Marie, Gelorme, Jeffrey Donald, Patel, Niranjan Mohanlal, Newman, Thomas Harold, Seeger, David Earle
• Primary Examiner(s): KOPEC, MARK T
• Application Number:
  US08/478,469
• Time in Patent Office: 4,248 Days
• Field of Search: 252/500, 428/357, 428/375, 428/411.1, 428/901, 428/922, 428/931, 427/58, 427/384, 106/287.2, 528/422, 528/423, 528/210, 528/212
• US Class Current: 252/500
• CPC Class Codes: H01B 1/127 comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes
• CPC Class Codes: H01B 1/128 comprising six-membered aromatic rings in the main chain, e.g. polyanilines, polyphenylenes
• CPC Class Codes: Y10S 428/922 Static electricity metal bleed-off metallic stock

Abstract

Disclosed is a novel composition of matter comprising a polyacid and a polymer containing repeating units which contain one or more basic atoms. The complex is water-soluble and electrically conductive. The complex is useful in providing organic discharge layers for use in electronic applications and fabrications.

Claims

1. A structure comprising a substrate, at least part of the surface of said substrate having disposed thereon a water-soluble, electrically conductive composition of matter comprising a polyacid selected from the group consisting of of poly(acrylic acid), poly(methacrylic acid), poly(styrenesulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphoric acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid) and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, wherein said polymer is selected from the group consisting of substituted and un-substituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide,

wherein said composition of matter is capable of forming a stable 5 wt. % solution in water,

wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer.

2. A structure according to claim 1, wherein said polyacid is poly(styrene sulfonic acid).

3. A structure according to claim 1, wherein said polymer is polyaniline.

4. A structure according to claim 3, wherein said polyacid is poly(styrene sulfonic acid).

5. A structure according to claim 1, wherein said polymer is crosslinkable.

6. A structure according to claim 1 further comprising a resist material disposed between said surface and said composition of matter.

7. A structure of claim 1 further comprising a resist material disposed over said composition of matter.

8. A structure comprising a substrate, at least part of the surface of said substrate having disposed thereon a water-insoluble, electrically conductive composition of matter comprising a polyacid selected from the group consisting of poly(acrylic acid), poly (methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphoric acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid), and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide, wherein the composition of matter is capable of forming a stable 5 wt. % solution in water when said polymer is not cross-linked, wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer, wherein said polymer is cross-linked said polyacid having a number of acidic groups, therebeing a number of said conjugated basic atoms, said number of acidic groups exceeds said number of basic atoms.

9. A structure according to claim 8, wherein said polymer is polyaniline.

10. A structure according to claim 8, wherein said polyacid is poly(styrene sulfonic acid).

11. A structure according to claim 10, wherein said polymer is polyaniline.

12. A substrate having disposed thereon a layer formed by disposing onto said substrate a layer comprising a water-soluble, electrically conductive composition of matter comprising a polyacid selected from the group consisting of poly(acrylic acid), poly (methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphoric acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid) and poly(vinyl phosphonic acid), and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide,

wherein the composition of matter is capable of forming a stable 5 wt. % solution in water,

wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer.

13. A substrate having disposed thereon a layer of a crosslinked polymer formed by disposing onto said substrate a layer comprising a water-soluble, electrically conductive composition of matter comprising a polyacid selected from the group consisting of poly(acrylic acid), poly (methacrylic acid), poly(styrene sulfonic acid), poly(vinylsulfonic acid), poly(styrene boric acid), poly(vinyl boric acid), poly(vinyl sulfuric acid), poly(styrene phosphoric acid), poly(vinyl phosphoric acid), poly(styrene phosphonic acid and poly(vinyl phosphonic acid), and a crosslinkable polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, and crosslinking the polymer in at least a portion of said layer by exposing said portion to radiation under conditions effective to crosslink the polymer in said portion,

wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole, and p-phenylene sulfide, wherein the composition of matter is capable of forming a stable 5 wt. % solution in water when said polymer is not crosslinked, wherein the number of acidic groups in said polyacid exceeds the number of protonatable basic atoms in said polymer.

14. A substrate according to claim 13, having disposed thereon a pattern of conducting lines formed of said crosslinked polymer.

15. A structure comprising a substrate, at least a part of said substrate having disposed thereon an electrically conductive composition of matter comprising a crosslinked conjugated electrically conductive polymer, wherein said electrically conductive polymer comprises a polyacid and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiophene, pyrrole and p-phenylene sulfide, wherein the number of acid groups in said polyacid exceed the number of protonatable basic atoms in said polymer.

16. A structure according to claim 15 wherein said crosslinked composition comprises crosslinks between said polymer molecules.

17. A structure comprising:

a polymer comprising at least one conjugated region composed of repeating units which contain a number of conjugated basic atom wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiopherine, pyrrole and p-phenylene sulfide;

a polyacid having a number of acidic groups;

said polyacid dopes said polymer to be an electrically conductive polymer;

said number of acidic groups exceeds said number of conjugated basic atoms;

said electrically conductive polymer is disposed on at least a part of a substrate.

18. A structure according to claim 17 wherein said composition is soluble in a solution containing water.

19. A structure according to claim 18 wherein said solution is a water/alkanol mixture.

20. A structure according to claim 18 wherein said solution comprises an alkanol.

21. A structure according to claim 17 wherein said electrically conductive polymer forms a stable 5 wt. % solution in water.

22. A structure according to claim 17 wherein said polyacids are water soluble.

23. A structure according to claim 17 wherein said polyacid comprises an organic polymer at least a part of whose repeating units include an acidic moiety.

24. A structure according to claim 23 wherein said acidic moiety is selected from the group consisting of a carboxylic acid group, a phosphonic acid group, a phosphoric acid group, a boric acid group, a sulfuric acid group and a sulfonic acid group.

25. A structure according to claim 23 wherein said acid moiety is selected from the group consisting of one pendant from a back bone of said polyacid and a substituent on a group which is pendant from said back bone.

26. A structure according to claim 17 wherein said polyacid is vinylic.

27. A structure according to claim 17 wherein said polyacid comprise copolymers having repeat units at least a part of which contain an acidic moiety.

28. A structure according to claim 17 wherein said polyacid comprises repeat units having formula —

(CH₂CHX)—

, wherein X is selected from the group consisting of an acid group and a substituent which is substituted with an acid group.

29. A structure according to claim 17 wherein said polyacid comprises copolymers having repeat units some of which containing pendant acidic groups and other repeat units which do not.

30. A structure according to claim 29 wherein said copolymers are selected from the group consisting of block copolymers and copolymers in which acidic and non-acidic repeat units are interspersed.

31. A structure according to claim 29 wherein said polymer further comprises ethylenically unsaturated units.

32. A structure according to claim 31 wherein said ethylenically unsaturated units are selected from the group consisting of ethylene, propylene, vinyl chloride, styrene, vinyl alcohol and vinyl acetate.

33. A structure according to claim 31 further including cross-links to said composition of matter.

34. A structure according to claim 17 wherein said polymer and said polyacid form a doped polymer further including crosslinks between said doped polymers.

35. A structure according to claim 34 wherein said crosslinks are between substituents and said polymer.

36. A structure according to claim 17 wherein said excess functional sites are excess acidic groups permitting said composition to be soluble in said polar solvents.

37. A structure according to claim 36 wherein said polar solvent contains an —

OH group.

38. A structure according to claim 36 wherein said polar solvent is selected from the group consisting of water, an alkanol and combinations thereof.

39. A structure according to claim 17 wherein said electrically conductive polymer is water soluble.

40. A structure according to claim 17 wherein said polyacid comprises an acidic moiety selected from the group consisting of a carboxylic acid group, a phosphonic acid group, a phosphoric acid group, a boric acid group, a sulfuric acid group and a sulfonic acid group.

41. A structure comprising:

a polymer comprising at least one conjugated region composed of repeating units which contain a number of conjugated basic atom wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of aniline, thiopherine, pyrrole and p-phenylene sulfide;

a polyacid dopant having a number of functional sites;

said functional sites dope said polymer to be an electrically conductive polymer;

said number of functional sites exceeds said number of conjugated basic atoms, there being excess functional sites;

said excess functional sites are capable of interacting with polar solvents thereby permitting said composition to be soluble in said solvents;

said electrically conductive polymer is disposed on at least a part of a substrate.

42. A structure according to claim 41 when in said polar solvent contains an —

OH group.

43. A structure according to claim 42 wherein said solvent is selected from the group consisting of water and an alkanol.

44. A structure according to claim 41 wherein said solvent is selected from the group consisting of water, an alkanol and combinations thereof.

45. A structure according to claim 41 wherein said functional sites are acid groups.

46. A structure comprising:

a substrate having disposed on at least a part thereof a processable electrically conductive molecular complex made by a template-guided chemical polymerization process, the molecular complex comprising a polymeric polyelectrolyte and a conductive polymer selected from the group consisting of polypyrrole, polythiophene, poly(phenylene sulfide) and substitutions thereof, said template-guided chemical polymerization process comprises the addition of conducting monomers to an aqueous or nonaqueous solution of a polyelectrolyte to form a monomer/polyelectrolyte solution, followed by the subsequent addition of an oxidant to the monomer/polyelectrolyte solution to polymerize the monomer to form a molecular complex comprising a polyelectrolyte and a conducting polymer wherein the ratio of the conducting polymer to the polyelectrolyte is in the range of 1;

1 to greater than 1;

1.

47. The structure according to claim 46 wherein said polyelectrolyte is a polymer with anionic functional group selected from the groups consisting of carboxylic acid, sulfonic acid, phosphoric acid, boric acid.

48. The structure according to claim 46 wherein said polyelectrolyte is selected from the group consisting of poly(styrenesulfonic acid), poly(acrylic acid), poly(methacrylic acid), salt forms thereof and copolymers thereof.

49. The structure according to claim 46 wherein said polyelectrolyte is respectively poly(styrenesulfonic acid).

50. The structure according to claim 46 wherein said polyelectrolyte is respectively poly(2-acrylamido-2-methyl-1-propenesulfonic acid).

51. The structure according to claim 46 wherein said polyelectrolyte is respectively poly(acrylic acid).

52. The structure according to claim 46 wherein said polyelectrolyte is poly(styrenesulfonic acid) and said conducting polymer is polypyrrole.

53. The structure according to claim 46 wherein said polyelectrolyte is poly(acrylic acid) and said conducting polymer is polypyrrole.

54. A structure comprising:

a substrate having disposed on at least a part thereof a processable, electrically conductive molecular complex made by a template guided polymerization process, the molecular complex comprising at least two polymeric polyelectrolytes and a conductive polymer, said process comprising the addition of monomers to an aqueous or nonaqueous solution of at least two polyelectrolytes selected from the group consisting of poly(styrenesulfonic acid), poly(acrylic acid), poly(methacrylic acid), and one type of conducting polymer is selected from the group consisting of polypyrrole, polythiophene, poly(phenylenesulfide) and substituted versions thereof to form a monomer/polyelectrolyte/polyelectrolyte solution followed by the addition of an oxidant to the monomer/polyelectrolyte/polyelectrolyte solution to polymerize the monomer to form a molecular complex comprising at least two polymeric polyelectrolytes and a conductive polymer wherein the ratio of the conductive polymer to the polyelectrolyte is in the range of 1;

1 to greater than 1;

1.

55. The structure according to claim 54 wherein said two types of polyelectrolyte are poly(acrylic acid) and poly(styrenesulfonic acid).

56. The structure according to claim 54 wherein said two types of polyelectrolyte are poly(acrylic acid) and poly(2-acrylamido-2-methyl-1-propenesulfonic acid).

57. A structure comprising:

a substrate having disposed on at least a part thereof a conductive molecular complex made by a template-guided chemical polymerization process, the molecular complex comprising a polyacid and a conductive polymer selected from the group consisting of polypyrrole, polythiophene, poly(phenylene sulfide) and substitutions thereof, said template-guided chemical polymerization process comprises the addition of conducting monomers to an aqueous or nonaqueous solution of a polyacid to form a monomer/polyacid solution, followed by the subsequent addition of an oxidant to the monomer/polyacid solution to polymerize the monomer to form a molecular complex comprising a polyacid and a conducting polymer wherein the ratio of the conducting polymer to the polyacid is in the range of 1;

1 to greater than 1;

1.

58. The structure according to claim 57 wherein said polyacid is a polymer with anionic functional group selected from the groups consisting of carboxylic acid, sulfonic acid, phosphoric acid, boric acid.

59. The structure according to claim 57 wherein said polyacid is selected from the group consisting of poly(styrenesulfonic acid), poly(acrylic acid), poly(methacrylic acid), salt forms thereof and copolymers thereof.

60. The structure according to claim 57 wherein said polyacid is respectively poly(styrenesulfonic acid).

61. The structure according to claim 57 wherein said polyacid is respectively poly(2-acrylamido-2-methyl-1-propenesulfonic acid).

62. The structure according to claim 57 wherein said polyacid is respectively poly(acrylic acid).

63. The structure according to claim 57 wherein said polyacid is poly(styrenesulfonic acid) and said conducting polymer is polypyrrole.

64. The structure according to claim 57 wherein said polyacid is poly(acrylic acid) and said conducting polymer is polypyrrole.

65. A structure comprising:

a substrate having disposed on at least a part thereof a processable, electrically conductive molecular complex made by a template guided polymerization process, the molecular complex comprising at least two polymeric polyacid and a conductive polymer, said process comprising the addition of monomers to an aqueous or nonaqueous solution of at least two polyacids selected from the group consisting of poly(styrenesulfonic acid), poly(acrylic acid), poly(methacrylic acid), and one type of conducting polymer is selected from the group consisting of polypyrrole, polythiophene, poly(phenylenesulfide) and substituted versions thereof to form a monomer/polyacid/polyacid solution followed by the addition of an oxidant to the monomer/polyacid/polyacid solution to polymerize the monomer to form a molecular complex comprising at least two polymeric polyacid and a conductive polymer wherein the ratio of the conductive polymer to the polyacid is in the range of 1;

1 to greater than 1;

1.

66. The structure according to claim 65 wherein said two types of polyacid are poly(acrylic acid) and poly(styrenesulfonic acid).

67. The structure according to claim 65 wherein said two types of polyacid are poly(acrylic acid) and poly(2-acrylamido-2-methyl-1-propenesulfonic acid).

68. A structure comprising:

a substrate having disposed on at least a part thereof a conductive molecular complex made by a template-guided chemical polymerization process, the molecular complex comprising a polyacid dopant and a conductive polymer selected from the group consisting of polypyrrole, polythiophene, poly(phenylene sulfide) and substitutions thereof, said template-guided chemical polymerization process comprises the addition of conducting monomers to an aqueous or nonaqueous solution of a polyacid dopant to form a monomer/polyacid dopant solution, followed by the subsequent addition of an oxidant to the monomer/polyacid dopant solution to polymerize the monomer to form a molecular complex comprising a polyacid dopant and a conducting polymer wherein the ratio of the conducting polymer to the polyfunctional dopant is in the range of 1;

1 to greater than 1;

1.

69. The structure according to claim 68 wherein said polyfunctional dopant is a polymer with anionic functional group selected from the groups consisting of carboxylic acid, sulfonic acid, phosphoric acid, boric acid.

70. The structure according to claim 68 wherein said polyacid dopant is selected from the group consisting of poly(styrenesulfonic acid), poly(acrylic acid), poly(methacrylic acid), salt forms thereof and copolymers thereof.

71. The structure according to claim 68 wherein said polyacid dopant is respectively poly(styrenesulfonic acid).

72. The structure according to claim 68 wherein said polyacid dopant is respectively poly(2-acrylamido-2-methyl-1-propenesulfonic acid).

73. The structure according to claim 68 wherein said polyacid dopant is respectively poly(acrylic acid).

74. The structure according to claim 68 wherein said polyacid dopant is poly(styrenesulfonic acid) and said conducting polymer is polypyrrole.

75. The structure according to claim 68 wherein said polyacid dopant is poly(acrylic acid) and said conducting polymer is polypyrrole.

76. A structure comprising:

a substrate having disposed on at least a part thereof a processable, electrically conductive molecular complex made by a template guided polymerization process, the molecular complex comprising at least two polymeric polyacid dopants and a conductive polymer, said process comprising the addition of monomers to an aqueous or nonaqueous solution of at least two polyacid dopants selected from the group consisting of poly(styrenesulfonic acid), poly(acrylic acid, poly(methacrylic acid), and one type of conducting polymer is selected from the group consisting of polypyrrole, polythiophene, poly(phenylenesulfide) and substituted versions thereof to form a monomer/polyacid dopant/polyacid dopant solution followed by the addition of an oxidant to the monomer/polyacid dopant/polyacid dopant solution to polymerize the monomer to form a molecular complex comprising at least two polymeric polyacid dopant and a conductive polymer wherein the ratio of the conductive polymer to the polyfunctional dopant is in the range of 1;

1 to greater than 1;

1.

77. The structure according to claim 76 wherein said two types of polyacid dopant are poly(acrylic acid) and poly(styrenesulfonic acid).

78. The structure according to claim 76 wherein said two types of polyacid dopant are poly(acrylic acid) and poly(2-acrylamido-2-methyl-1-propenesulfonic acid).

79. A structure comprising:

a polymer comprising at least one conjugated region composed of repeating units which contain a number of conjugated basic atom wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of thiopherine, pyrrole and p-phenylene sulfide;

a polyacid having a number of acidic groups;

said polyacid dopes said polymer to be an electrically conductive polymer;

said number of acidic groups exceeds said number of conjugated basic atoms;

the combination of said electrically conductive polymer and said polyacid being cross-linked, said electrically conductive polymer is disposed on at least a part of a substrate.

80. A structure according to claim 79 wherein said number of acidic groups exceeds said number of conjugated basic atoms.

81. A structure comprising a substrate, at least a part of said substrate having disposed thereon an electrically conductive composition of matter comprising a cross-linked conjugated electrically conductive polymer, wherein said electrically conductive polymer comprises a polyacid and a polymer comprising at least one conjugated region composed of repeating units which contain a conjugated basic atom, wherein said polymer is selected from the group consisting of substituted and unsubstituted homopolymers and copolymers of thiophene, pyrrole and p-phenylene sulfide, the combination of said electrically conductive polymer and said polyacid being cross-linked through cross-linkable constituents on said combination.

82. A structure according to claim 81 wherein the number of acid groups in said polyacid exceed the number of protonatable basic atoms in said polymer.