Claims
- 1. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product comprising a pigment having attached at least one organic ionic group and at least one amphiphilic counterion, wherein said amphiphilic counterion has a charge opposite to that of the organic ionic group.
- 2. The printing plate of claim 1, wherein the organic ionic group is an anionic group and wherein the amphiphilic counterion is a cationic amphiphilic counterion.
- 3. The printing plate of claim 2, wherein the anionic group comprises a carboxylate group or a sulfonate group.
- 4. The printing plate of claim 2, wherein the anionic group is an anion derived from a substituted or unsubstituted carboxyphenyl or a substituted or unsubstituted sulfophenyl group.
- 5. The printing plate of claim 2, wherein the cationic amphiphilic counterion comprises an ammonium group.
- 6. The printing plate of claim 2, wherein the cationic amphiphilic counterion is an ion represented by the formula R4N+, wherein R is independently hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted alkenyl group.
- 7. The printing plate of claim 2, wherein the cationic amphiphilic counterion is a quaternary ammonium ion.
- 8. The printing plate of claim 2, wherein the cationic amphiphilic counterion is a benzyltrialkyl ammonium ion.
- 9. The printing plate of claim 2, wherein the anionic group comprises a carboxylate group and the cationic amphiphilic counterion is a benzyltrialkyl ammonium ion.
- 10. The printing plate of claim 1, wherein the organic ionic group is a cationic group and wherein the amphiphilic counterion is an anionic amphiphilic counterion.
- 11. The printing plate of claim 10, wherein the cationic group comprises an ammonium group.
- 12. The printing plate of claim 10, wherein the cationic group is —C6H4—NC5H5+.
- 13. The printing plate of claim 10, wherein the cationic group is —C5H4+N—R, wherein R is an alkyl group, an aryl group, an alkaryl group, an aralkyl group, or an alkenyl group.
- 14. The printing plate of claim 10, wherein the anionic amphiphilic counterion is an ion comprising at least one carboxylate group or sulfonate group.
- 15. The printing plate of claim 10 wherein the anionic amphiphilic counterion is an alkyl carboxylate ion.
- 16. The printing plate of claim 1, wherein the radiation-absorptive layer further comprises a polymer.
- 17. The printing plate of claim 16, wherein the polymer is a phenolic polymer.
- 18. The printing plate of claim 17, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 19. The printing plate of claim 16, wherein the polymer is an acrylic polymer.
- 20. The printing plate of claim 19, wherein the acrylic polymer is a polymer comprising acrylic acid, methacrylic acid, or salts thereof.
- 21. The printing plate of claim 1, wherein the substrate is a hydrophilic metal substrate.
- 22. The printing plate of claim 1, wherein the substrate is aluminum or polyester.
- 23. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises a phenolic polymer and at least one modified pigment product.
- 24. The printing plate of claim 23, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 25. The printing plate of claim 23, wherein the modified pigment product comprises a pigment having attached at least one organic group.
- 26. The printing plate of claim 25, wherein the organic group comprises at least one ionic group, at least one ionizable group, or a mixture thereof.
- 27. The printing plate of claim 25, wherein the organic group comprises an anionic group.
- 28. The printing plate of claim 25, wherein the organic group comprises a carboxylic group, a sulfonate group, or salts thereof.
- 29. The printing plate of claim 25, wherein the organic group is a carboxyphenyl group, a sulfophenyl group, or salts thereof.
- 30. The printing plate of claim 25, wherein the organic group comprises a cationic group.
- 31. The printing plate of claim 25, wherein the organic group comprises an ammonium group.
- 32. The printing plate of claim 25, wherein the organic group is —C5H4+N—R with a counterion, wherein R is an alkyl group or an aromatic group.
- 33. The printing plate of claim 32, wherein R is a methyl group or a benzyl group.
- 34. The printing plate of claim 23, wherein the substrate is a hydrophilic metal substrate.
- 35. The printing plate of claim 23, wherein the substrate is aluminum or polyester.
- 36. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises a phenolic polymer and at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[A]pR, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, A represents an alkylene oxide group of from about 1 to about 12 carbons, p is an integer of from 1 to 500, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, wherein A can be the same or different when p is greater than 1.
- 37. The printing plate of claim 36, wherein A is —CH2—CH2—O—, —CH(CH3)—CH2—O, —CH2—CH(CH3)—O, —CH2—CH2—CH2—O—, or combinations thereof.
- 38. The printing plate of claim 36, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 39. The printing plate of claim 36, wherein the substrate is a hydrophilic metal substrate.
- 40. The printing plate of claim 36, wherein the substrate is aluminum or polyester.
- 41. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises an acrylic polymer and at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[A]pR, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, A represents an alkylene oxide group of from about 1 to about 12 carbons, p is an integer of from 1 to 500, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, wherein A can be the same or different when p is greater than 1.
- 42. The printing plate of claim 41, wherein A is —CH2—CH2—O—, —CH(CH3)—CH2—O, —CH2-CH(CH3)—O, —CH2—CH2—CH2—O—, or combinations thereof.
- 43. The printing plate of claim 41, wherein the acrylic polymer is a polymer comprising acrylic acid, methacrylic acid, or salts thereof.
- 44. The printing plate of claim 41, wherein the substrate is a hydrophilic metal substrate.
- 45. The printing plate of claim 41, wherein the substrate is aluminum or polyester.
- 46. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[Vinyl]R, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, Vinyl represents an acrylic or styrenic homo- or copolymer comprising repeating substituted or unsubstituted acrylic or styrene monomer units, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
- 47. The printing plate of claim 46, wherein Vinyl is an acrylic or methacrylic acid homo- or copolymer, or salt thereof.
- 48. The printing plate of claim 46, wherein Vinyl is an acrylic or methacrylic ester.
- 49. The printing plate of claim 46, wherein the radiation-absorptive layer further comprises a polymer.
- 50. The printing plate of claim 49, wherein the polymer is a phenolic polymer.
- 51. The printing plate of claim 50, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 52. The printing plate of claim 49, wherein the polymer is an acrylic polymer.
- 53. The printing plate of claim 52, wherein the acrylic polymer is a polymer comprising acrylic acid, methacrylic acid, or salts thereof.
- 54. The printing plate of claim 46, wherein the substrate is a hydrophilic metal substrate.
- 55. The printing plate of claim 46, wherein the substrate is aluminum or polyester.
- 56. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[EI]R, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, EI represents an alkyleneimine-based polymer or copolymer, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
- 57. The printing plate of claim 56, wherein EI is polyethyleimine or derivatives of polyethyleneimine.
- 58. The printing plate of claim 56, wherein the radiation-absorptive layer further comprises a polymer.
- 59. The printing plate of claim 58, wherein the polymer is a phenolic polymer.
- 60. The printing plate of claim 59, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 61. The printing plate of claim 58, wherein the polymer is an acrylic polymer.
- 62. The printing plate of claim 61, wherein the acrylic polymer is a polymer comprising acrylic acid, methacrylic acid, or salts thereof.
- 63. The printing plate of claim 56, wherein the substrate is a hydrophilic metal substrate.
- 64. The printing plate of claim 56, wherein the substrate is aluminum or polyester.
- 65. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[SMA]R, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, SMA represents a styrene-maleic anhydride polymer or derivative, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
- 66. The printing plate of claim 65, wherein SMA is styrene-maleic anhydride or derivatives of styrene-maleic anhydride.
- 67. The printing plate of claim 65, wherein the radiation-absorptive layer further comprises a polymer.
- 68. The printing plate of claim 67, wherein the polymer is a phenolic polymer.
- 69. The printing plate of claim 68, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 70. The printing plate of claim 67, wherein the polymer is an acrylic polymer.
- 71. The printing plate of claim 70, wherein the acrylic polymer is a polymer comprising acrylic acid, methacrylic acid, or salts thereof.
- 72. The printing plate of claim 65, wherein the substrate is a hydrophilic metal substrate.
- 73. The printing plate of claim 65, wherein the substrate is aluminum or polyester.
- 74. A printing plate comprising: a) a substrate and b) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product comprising a pigment that is at least partially coated with one or more polymeric coatings.
- 75. The printing plate of claim 74, wherein the polymeric coating comprises an acrylic or styrenic polymer.
- 76. The printing plate of claim 74, wherein the radiation-absorptive layer further comprises a polymer.
- 77. The printing plate of claim 76, wherein the polymer is a phenolic polymer.
- 78. The printing plate of claim 77, wherein the phenolic polymer is a homopolymer or copolymer of an hydroxystyrene or a phenol-formaldehyde polymer.
- 79. The printing plate of claim 76, wherein the polymer is an acrylic polymer.
- 80. The printing plate of claim 79, wherein the acrylic polymer is a polymer comprising acrylic acid, methacrylic acid, or salts thereof.
- 81. The printing plate of claim 74, wherein the substrate is a hydrophilic metal substrate.
- 82. The printing plate of claim 74, wherein the substrate is aluminum or polyester.
- 83. The printing plate of claim 1, wherein the radiation absorbed by the radiation-absorptive layer is infrared or near-infrared.
- 84. The printing plate of claim 1, wherein the pigment is carbon black, graphite, vitreous carbon, finely-divided carbon, activated carbon, activated charcoal, or mixtures thereof.
- 85. The printing plate of claim 1, wherein the pigment is carbon black.
- 86. The printing plate of claim 1, wherein the pigment comprises a white pigment, a black pigment, a blue pigment, a brown pigment, a cyan pigment, a green pigment, a violet pigment, a magenta pigment, a red pigment, a yellow pigment, shades thereof, or combinations thereof.
- 87. The printing plate of claim 17, wherein the organic group is a dissolution inhibitor of the phenolic polymer.
- 88. The printing plate of claim 17, wherein the amphiphilic counterion is a dissolution inhibitor of the phenolic resin.
- 89. The printing plate of claim 87, wherein the organic group is chemically transformed by an IR laser.
- 90. The printing plate of claim 88, wherein the amphiphilic counterion is chemically transformed by an IR laser.
- 91. A method of imaging the printing plate of claim 1, comprising selectively exposing the plate to a laser output in a pattern representing an image to selectively remove or chemically modify at least the radiation-absorptive layer.
- 92. The method of claim 91, further comprising subjecting the plate to a solvent capable of removing portions of the imaged layer(s).
- 93. A flexographic printing plate comprising: a) a substrate, b) a UV curable layer, and c) a radiation-absorptive layer, wherein the radiation-absorptive layer comprises at least one modified pigment product.
- 94. The flexographic printing plate of claim 93, wherein the radiation-absorptive layer further comprises a polymer.
- 95. A thermal transfer recording material comprising: a) an ink layer, b) a photothermal layer, and c) a support, wherein the photothermal layer comprises at least one modified pigment product.
- 96. The thermal transfer recording material of claim 95, wherein the photothermal layer further comprises a polymer.
- 97. A proofing material comprising: a) a radiation transparent support, b) a radiation curable layer, and c) a receiving layer, wherein the radiation curable layer comprises at least one modified pigment product.
- 98. The proofing material of claim 97, wherein the radiation curable layer further comprises a polymer.
- 99. A black matrix formed by applying a photosensitive coating on a clear substrate, exposing the coating imagewise, and developing and drying the coating, wherein the photosensitive coating comprises at least one modified pigment product comprising a pigment having attached at least one organic ionic group and at least one amphiphilic counterion, wherein said amphiphilic counterion has a charge opposite to that of the organic ionic group, and a solvent.
- 100. The black matrix of claim 99 further comprising a photosensitive resin.
- 101. A black matrix formed by applying a photosensitive coating on a clear substrate, exposing the coating imagewise, and developing and drying the coating, wherein the photosensitive coating comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[A]pR, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, A represents an alkylene oxide group of from about 1 to about 12 carbons, p is an integer of from 1 to 500, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, wherein A can be the same or different when p is greater than 1.
- 102. The black matrix of claim 101 further comprising a photosensitive resin.
- 103. A black matrix formed by applying a photosensitive coating on a clear substrate, exposing the coating imagewise, and developing and drying the coating, wherein the photosensitive coating comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[Vinyl]R, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, Vinyl represents an acrylic or styrenic homo- or copolymer comprising repeating substituted or unsubstituted acrylic or styrene monomer units, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
- 104. The black matrix of claim 103 further comprising a photosensitive resin.
- 105. A black matrix formed by applying a photosensitive coating on a clear substrate, exposing the coating imagewise, and developing and drying the coating, wherein the photosensitive coating comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[EI]R, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, EI represents an alkyleneimine-based polymer or copolymer, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
- 106. The black matrix of claim 105 further comprising a photosensitive resin.
- 107. A black matrix formed by applying a photosensitive coating on a clear substrate, exposing the coating imagewise, and developing and drying the coating, wherein the photosensitive coating comprises at least one modified pigment product comprising a pigment having attached at least one organic group represented by the formula -X-Sp-[SMA]R, wherein X, which is directly attached to the pigment, represents an arylene, heteroarylene, or alkylene group, Sp represents a spacer group, SMA represents a styrene- maleic anhydride polymer or derivative, and R represents hydrogen, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group.
- 108. The black matrix of claim 107 further comprising a photosensitive resin.
- 109. A black matrix formed by applying a photosensitive coating on a clear substrate, exposing the coating imagewise, and developing and drying the coating, wherein the photosensitive coating comprises at least one modified pigment product comprising a pigment that is at least partially coated with one or more polymeric coatings.
- 110. The black matrix of claim 109 further comprising a photosensitive resin.
BACKGROUND OF THE INVENTION
[0001] This application claims priority to U.S. Provisional Patent Application Serial No. 60/216,089, filed Jul. 6, 2000 and U.S. Provisional Patent Application Serial No. 60/234,063, filed on Sep. 20, 2000.
Provisional Applications (2)
|
Number |
Date |
Country |
|
60216089 |
Jul 2000 |
US |
|
60234063 |
Sep 2000 |
US |