Claims
- 1. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, the pigment dispersion composition comprising at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and a water-soluble amine or a derivative thereof, and being filled in said micropores.
- 2. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 1, wherein the water-soluble amine or derivative thereof have a solubility of 1 g or greater in 100 g of water at 25° C.
- 3. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, the pigment dispersion composition comprising at least a pigment, a pigment dispersant containing a resin acid, a water-soluble organic solvent, water, and a water-insoluble amine or a derivative thereof having a pKa value ranging from 7.1 to 12, the pKa value being defined as the logarithm of the reciprocal of the acid dissociation constant of a conjugated acid from the resin acid at 25° C., and being filled in said micropores.
- 4. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, the pigment dispersion composition comprising at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and a water-soluble polyvalent alcohol, and being filled in said micropores.
- 5. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 4, wherein the polyvalent alcohol has a solubility of 0.1 g or greater in 100 g of water at 25° C.
- 6. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, the pigment dispersion composition comprising at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and at least one compound selected from the group consisting of water-soluble urea, thiourea and derivatives thereof, and being filled in said micropores.
- 7. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 6, wherein at least one compound selected from the group consisting of water-soluble urea, thiourea and derivatives thereof has a solubility of 0.1 g or greater in 100 g of water at 25° C.
- 8. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, the pigment dispersion composition comprising at least a pigment, a pigment dispersant containing a resin acid, a water-soluble organic solvent, water, a water-soluble polyvalent alcohol, at least one compound selected from the group consisting of a water-soluble amine or a derivative thereof, at least one compound selected from the group consisting of a water-insoluble amine or a derivative thereof which has a pKa value ranging from 7.1 to 12, the pKa value being defined as the logarithm of the reciprocal of the acid dissociation constant of a conjugated acid from the resin acid at 25° C., and at least one compound selected from the group consisting of water-soluble urea, thiourea or derivatives thereof, the total amount of said at least one compound selected from the group consisting of a water-soluble amine or a derivative thereof being from 0.05 to 40 wt % of the composition, and being filled in said micropores.
- 9. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in any of claims 1 to 8 wherein the pigment has a 50%-cumulative point (average particle diameter: D50) of a pigment particle diameter distribution of 200 nm or smaller.
- 10. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in any of claims 1 to 8 wherein the concentration of the pigment is from 0.05 to 20 wt % of the composition when the composition is used for coloration of an aluminum film.
- 11. A pigment dispersion composition filling micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in any of claims 1 to 8, wherein the pigment comprises one or more kinds of pigments.
- 12. A method for fill-in coloration, comprising the steps of:filling micropores of an aluminum or aluminum alloy oxide film with any one of the pigment dispersion compositions as defined by claims 1 to 8 by way of electrophoresis a single time or a plurality of times for coloration of the oxide film, the pigment dispersion compositions in the electrophoresis in the plurality of times being either the same or different composition, and immersing the filled aluminum alloy oxide film in still water or running water to remove pigment deposited on a film surface other than in the micropores.
- 13. An aluminum or aluminum alloy material comprising an aluminum or aluminum oxide film colored by filling micropores of the oxide film with any one of the pigment dispersion compositions as defined by claims 1 to 8 by electrophoresis.
- 14. An aluminum or aluminum alloy material as set forth in claim 13, further comprising a surface coating provided thereon.
- 15. A pigment dispersion composition, consisting essentially of at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and a water-soluble amine or a derivative thereof, in amounts effective to deposit said pigment in micropores of an aluminum or aluminum alloy oxide film while allowing removal of pigment from a surface of the oxide film other than the micropores by immersing in or rinsing with water.
- 16. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, consisting essentially of at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and a water-soluble amine or a derivative thereof.
- 17. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 16, wherein the water-soluble amine or derivative thereof have a solubility of 1 g or greater in 100 g of water at 25° C.
- 18. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 16, wherein the pigment has a 50%-cumulative point (average particle diameter: D50) of a pigment particle diameter distribution of 200 nm or smaller.
- 19. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set for in claim 16 wherein the concentration of the pigment is from 0.05 to 20 wt % of the composition when the composition is used for coloration of an aluminum film.
- 20. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 16, wherein the pigment comprises one or more kinds of pigments.
- 21. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, consisting essentially of at least a pigment, a pigment dispersant containing a resin acid, a water-soluble organic solvent, water, and a water-insoluble organic amine or a derivative thereof having a pKa value ranging from 7.1 to 12, the pKa value being defined as the logarithm of the reciprocal of the acid dissociation constant of a conjugated acid from the resin acid at 25° C.
- 22. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, consisting essentially of at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and a water-soluble polyvalent alcohol.
- 23. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 22, wherein the polyvalent alcohol has a solubility of 0.1 g or greater in 100 g of water at 25° C.
- 24. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, consisting essentially of at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, and at least one compound selected from the group consisting of water-soluble urea, thiourea and derivatives thereof.
- 25. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, as set forth in claim 24, wherein at least one compound selected from the group consisting of water-soluble urea, thiourea and derivatives thereof has a solubility of 0.1 g or greater in 100 g of water at 25° C.
- 26. A pigment dispersion composition for filling-in micropores of an aluminum or aluminum alloy oxide film with a pigment for coloration thereof, consisting essentially of at least a pigment, a pigment dispersant, a water-soluble organic solvent, water, a water-soluble polyvalent alcohol, at least one compound selected from the group consisting of a water-soluble amine or a derivative thereof, at least one compound selected from the group consisting of a water-insoluble amine or a derivative thereof which has a pKa value ranging from 7.1 to 12, the pKa value being defined as the logarithm of the reciprocal of the acid dissociation constant of a conjugated acid from the resin acid at 25° C., and at least one compound selected from the group consisting of water-soluble urea, thiourea or derivatives thereof, the total amount of said at least one compound selected from the group consisting of a water-soluble amine or a derivative thereof being from 0.05 to 40 wt % of the composition.
- 27. A method of filling the micropores of an aluminum or aluminum alloy oxide film with a pigment by electrophoresis using a pigment dispersion comprising at least a pigment, a pigment dispersant, a water-soluble organic solvent and water, and further including a water-soluble amine or derivative thereof.
- 28. A method of filling the micropores of an aluminum or an aluminum alloy oxide film with a pigment by electrophoresis using a pigment dispersion comprising at least a pigment, a pigment dispersant containing a resin acid, a water-soluble organic solvent and water, and further including a water-insoluble organic amine or derivative thereof having pKa value from 7.1 to 12, the pKa value being defined as the logarithm of the reciprocal of the acid dissociation constant of a conjugated acid from the resin acid at 25° C.
- 29. A method of filling the micropores of an aluminum or aluminum alloy oxide film with a pigment by electrophoresis using a pigment dispersion comprising at least pigment, a pigment dispersant, a water-soluble organic solvent and water, and further including a water-soluble polyvalent alcohol.
- 30. A method of filling the micropores of an aluminum or aluminum alloy oxide film with a pigment by electrophoresis using a pigment dispersion comprising at least a pigment, a pigment dispersant, a water-soluble organic solvent and water, and further including at least one compound selected from the group consisting of water-soluble urea, thiourea and derivatives thereof.
Priority Claims (1)
Number |
Date |
Country |
Kind |
7-157213 |
May 1995 |
JP |
|
Parent Case Info
This application is a 35 U.S.C. 371 National Stage of PCT/JP 96/01451, filed May 27, 1996.
PCT Information
Filing Document |
Filing Date |
Country |
Kind |
102e Date |
371c Date |
PCT/JP96/01451 |
|
WO |
00 |
1/30/1997 |
1/30/1997 |
Publishing Document |
Publishing Date |
Country |
Kind |
WO96/38604 |
12/5/1996 |
WO |
A |
US Referenced Citations (8)
Non-Patent Literature Citations (1)
Entry |
CA:1994: 6355,898 (No Month Available, 1994. |