A coating composition comprising an effective corrosion-inhibiting amount of a carbon pigment is provided. In one embodiment, the corrosion-inhibiting carbon pigment is further comprising other components such as extenders, including neutral to slightly acidic generating extenders and acidic generat
A coating composition comprising an effective corrosion-inhibiting amount of a carbon pigment is provided. In one embodiment, the corrosion-inhibiting carbon pigment is further comprising other components such as extenders, including neutral to slightly acidic generating extenders and acidic generating extenders, are earth compounds, amino acids and amino acid derivatives, gelatin and gelatin derivatives, organic-based exchange resins, and combinations thereof, to enhance the corrosion resistance of the resultant coating film. In one embodiment, the carbon pigment is a surface-modified carbon pigment. The coating compositions have good adhesion to substrates such as metals, including aluminum and aluminum alloys.
대표청구항▼
What is claimed is: 1. A non-chromate containing coating composition comprising: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more rare earth compounds; one or more substantially insoluble inorganic extenders selected from the group consisting
What is claimed is: 1. A non-chromate containing coating composition comprising: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more rare earth compounds; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; and one or more binders; wherein at least one of the one or more inorganic extenders is calcium sulfate, calcium hydrogen sulfate, calcium phosphate, calcium hydrogen phosphate, calcium di-hydrogen phosphate or combinations thereof; and wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 2. The coating composition of claim 1 further comprising one or more amino acids. 3. The coating composition of claim 1 wherein at least one of the one or more corrosion-inhibiting carbon pigments is an amorphous form of carbon. 4. The coating composition of claim 1 wherein the one or more corrosion-inhibiting carbon pigments are present in the composition in a weight percent range of between about 0.1 to about 100% of total pigment concentration. 5. The coating composition of claim 1 wherein the coating composition has a pigment volume concentration of between about 5 to about 55. 6. The coating composition of claim 1 wherein at least one of the one or more binders is an organic binder. 7. The coating composition of claim 1 wherein at least one of the one or more binders is an epoxy-based resin binder. 8. The coating composition of claim 7 wherein the epoxy-based resin binder is an amine-cured epoxy-based resin binder. 9. The coating composition of claim 1 wherein the one or more inorganic extenders are present in the composition in a weight percent of between about 45% to about 75% of total pigment concentration. 10. The coating composition of claim 1 further comprising one or more corrosion co-inhibitors. 11. The coating composition of claim 10 wherein at least one of the one or more corrosion co-inhibitors is said rare earth compound. 12. The coating composition of claim 11 wherein the one or more inorganic extenders are present in the composition in a weight percent of between about 25% to about 98% of total pigment concentration. 13. The coating composition of claim 11 wherein at least one of the one or more binders is an epoxy-based resin binder. 14. The coating composition of claim 11 comprising at least two corrosion co-inhibitors. 15. The coating composition of claim 1 wherein the corrosion-inhibiting carbon pigments are present in the composition in a weight percent range of between about 3% to about 25% of total pigment concentration. 16. The coating composition of claim 1 wherein: the one or more rare earth compounds is present in the composition in a weight percent from between about 0.4% to about 26% of total pigment concentration; the corrosion-inhibiting carbon pigment is present in the composition in a weight percent from between about 30% to about 25% of total pigment concentration; and the one or more extenders is present in the composition in a weight percent from between about 25% to about 98% of total pigment concentration. 17. The coating composition of claim 1 wherein the corrosion-inhibiting carbon pigment is present in the composition in a weight percent of at least about 6% of total pigment concentration. 18. The coating composition of claim 1 wherein the effective corrosion-inhibiting amount of the one or more corrosion-inhibiting carbon pigments is an amount which provides the coating composition with at least a 2, 4 A rating on the Keller Corrosion Rating Scale for a 500 hour salt fog test, as tested according to ASTM B117 procedure. 19. The coating composition of claim 1 wherein the effective corrosion-inhibiting amount of the corrosion-inhibiting carbon pigment is at least about 6 wt %, and the coating composition has at least a 2, 4 A rating on the Keller Corrosion Rating Scale for a 500 hour salt fog test, as tested according to ASTM B117 procedure. 20. The coating composition of claim 1 wherein the one or more inorganic extenders are present in the composition in a weight percent of between about 25% to about 98% of total pigment concentration. 21. The coating composition of claim 1 wherein the one or more inorganic extenders are present in the composition in a weight percent of between about 80% to about 95% of total pigment concentration. 22. The composition of claim 1 wherein the calcium sulfate is hydrous calcium sulfate, anhydrous calcium sulfate or combinations thereof. 23. A non-chromate containing coating composition comprising: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; one or more binders; and one or more corrosion co-inhibitors, wherein at least one of the one or more corrosion co-inhibitors is a rare earth compound and wherein the rare earth compound is a salt of a rare earth-containing compound selected from the group consisting of a hydroxide of a rare earth-containing compound, an oxide of a rare earth-containing compound, a solid solution mixed oxide of a rare earth-containing compound, and combinations thereof; wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 24. The coating composition of claim 23 wherein the rare earth compound is selected from the group consisting of cerium oxide, cerium hydroxide, cerium solid solution mixed oxide, cerium oxide mixture, cerium salt, neodymium oxide, neodymium hydroxide, neodymium oxide mixture, neodymium salt, praseodymium oxide, praseodymium hydroxide, praseodymium solid solution mixed oxide, praseodymium oxide mixture, praseodymium salt, ytterbium oxide, ytterbium hydroxide, ytterbium solid solution mixed oxide, ytterbium oxide mixture, ytterbium salt, yttrium oxide, yttrium hydroxide, yttrium oxide mixture, yttrium salt, terbium oxide, terbium hydroxide, terbium solid solution mixed oxide, terbium oxide mixture, terbium salt, and combinations thereof. 25. A non-chromate containing coating composition comprising: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; one or more binders; and one or more corrosion co-inhibitors, wherein at least one of the one or more corrosion co-inhibitors is a rare earth compound and wherein the rare earth compound is a praseodymium compound selected from the group consisting of a praseodymium solid solution mixed oxide, a praseodymium(III) oxide, a praseodymium(III) hydroxide, a praseodymium(IV) oxide, and combinations thereof; and wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 26. A non-chromate containing coating composition comprising: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; one or more rare earth compounds; and one or more binders; wherein the one or more rare earth compounds is a praseodymium(III) sulfate or a praseodymium(III/IV) oxide; wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 27. A method of preparing a non-chromate containing coating composition, the method comprising: preparing a mill base having one or more binders; adding to the mill base an effective corrosion-inhibiting amount of one or more corrosion-inhibiting carbon pigments, and one or more substantially insoluble extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; and adding to the mill base one or more rare earth compounds, and optionally one or more additives, or combinations thereof to produce the coating composition; wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 28. A non-chromate containing coating system comprising: one or more pretreatment coatings applied to a substrate to form a pretreated substrate; a coating composition applied to the pretreated substrate, the composition including: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more binders; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; one or more rare earth compounds: and a topcoat; and wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 29. The coating system of claim 28 wherein at least one of the one or more binders is a resin-binder. 30. The coating composition of claim 29 wherein the resin binder is an epoxy-based resin binder. 31. The coating system of claim 28 wherein the coating composition and the one or more pretreatment coatings are each independently cured naturally or by exposure to heat, UV energy, microwave energy, or combinations thereof. 32. The coating system of claim 28 wherein the pretreated substrate is coated by a method of application selected from the group consisting of spraying, brushing, rolling and dipping. 33. The coating system of claim 28 wherein the system comprises a water-borne system, a solvent-borne system, a powder system or an appliqué system, wherein the coating system can be different for the coating composition and the one or more pretreatment coatings. 34. The coating system of claim 28 wherein the coating composition, the one or more pretreatment coatings, or both are applied to the substrate by an electrolytic coating method. 35. A non-chromate containing coating system comprising: a coating composition applied to a substrate, the composition including: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more rare earth compounds; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; and one or more binders; wherein at least one of the one or more binders is an epoxy-based resin binder and wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 36. The coating system of claim 35 wherein the system further comprises one or more pretreatment coatings applied to the substrate to form a pretreated substrate and a topcoat. 37. The coating system of claim 36 wherein the topcoat is a urethane topcoat. 38. The coating system of claim 35 wherein the coating composition is cured naturally or with an accelerated method of curing which exposes the coating composition to heat, UV energy, microwave energy, or combinations thereof. 39. The coating system of claim 35 wherein the substrate is coated by a method of application selected from the group consisting of spraying, brushing, rolling and dipping. 40. The coating system of claim 35 wherein the substrate is a composite substrate. 41. The coating system of claim 35 wherein the substrate is selected from the group consisting of aluminum, aluminum alloys, steel, galvanized steel, zinc, zinc alloys, magnesium, and magnesium alloys. 42. The coating system of claim 35 wherein the system is a water-borne system, a solvent-borne system, a powder system or an appliqué system. 43. The coating system of claim 35 wherein the coating composition is applied to the substrate by an electrolytic coating method. 44. A non-chromate containing coating system comprising: a coating composition applied to a substrate, the composition including: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more rare earth compounds; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; and one or more binders; wherein the substrate is aluminum, an aluminum alloy, magnesium or a magnesium alloy; wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 45. A non-chromate containing coating system comprising: one or more pretreatment coatings applied to a substrate to form a pretreated substrate; and a coating composition applied to the pretreated substrate, the composition including: one or more corrosion-inhibiting carbon pigments in an effective corrosion-inhibiting amount; one or more rare earth compounds; one or more substantially insoluble inorganic extenders selected from the group consisting of a neutral to slightly acidic generating extender, an acidic generating extender, and combinations thereof; and one or more binders; wherein the substrate is aluminum, an aluminum alloy, magnesium or a magnesium alloy; wherein the non-chromate containing composition is capable of curing naturally and, upon curing, is capable of generating a pH between about 2 and about 8 at an interface between the composition and a substrate. 46. The coating system of claim 45 wherein the system further comprises a topcoat. 47. The coating system of claim 46 wherein the topcoat is a urethane topcoat. 48. The coating system of claim 45 wherein at least one of the one or more binders is a resin binder. 49. The coating composition of claim 48 wherein the resin binder is an epoxy-based resin binder. 50. The coating system of claim 45 wherein the coating composition is cured naturally or with an accelerated method of curing which exposes the coating composition to heat, UV energy, microwave energy, or combinations thereof. 51. The coating system of claim 45 wherein the pretreated substrate is coated by a method of application selected from the group consisting of spraying, brushing, rolling and dipping. 52. The coating system of claim 45 wherein the pretreated substrate is a composite substrate. 53. The coating system of claim 45 wherein the system is a water-borne system, a solvent-borne system, a powder system or an appliqué system. 54. The coating system of claim 45 wherein the coating composition is applied to the substrate by an electrolytic coating method.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (106)
Stoffer, James O.; O'Keefe, Thomas J.; Morris, Eric L.; Hayes, Scott; Yu, Paul; Williams, Alex; Lin, Xuan, Additive-assisted cerium-based electrolytic coating process for corrosion protection of aluminum alloys.
Kamo, Hiroaki; Hotta, Yasunari; Shimizu, Toshiyuki; Odashima, Hisao, Agent for treating metallic surface, surface-treated metal material and coated metal material.
Armstrong William P. (Belfast GB5) Braig Adalbert (Binzen CHX) Frey Markus (Marly CHX) Kramer Andreas (Ddingen CHX), Alkaline earth metal salts, transition metal salts and transition metal complexes of ketocarboxylic acids as corrosion i.
DePue Jeffrey S. (Urbana IL) Carpenter Clint W. (Royal Oak MI) Bemer Lynne G. (Northville MI), Aluminum flake pigment treated with time release corrosion inhibiting compounds and coatings containing the same.
Mansell J. Douglas (Akron OH) Jones Laurence E. (Barberton OH) Johnson Harlan B. (Rittman OH) Krivak Thomas G. (Akron OH) Carson Dennis W. (Lower Burrell PA), Article having a corrosion inhibiting coating.
Hager Harold E. ; Johnson Chris J. ; Blohowiak Kay Y. ; Wong Chun M. ; Jones John H. ; Cook ; Jr. Robert L. ; Taylor S. Ray, Chromate-free protective coatings.
Hager Harold E. ; Johnson Chris J. ; Blohowiak Kay Y. ; Wong Chun M. ; Jones John H. ; Taylor S. Ray ; Cook ; Jr. Robert L., Chromate-free protective coatings.
Hauser Brian T. ; Gray Ralph C. ; Nugent ; Jr. Richard M. ; White Michael L., Coated metal substrates and methods for preparing and inhibiting corrosion of the same.
Nelson Karen Joy Hammon,AUX ; Taylor Russell James,AUX ; Hughes Anthony Ewart,AUX ; Hinton Bruce Roy William,AUX ; Henderson Mark Julian,AUX ; Wilson Lance,AUX ; Nugent Sally Ann,AUX, Conversion coating and process and solution for its formation.
Stoffer James O. ; O'Keefe Thomas J. ; Lin Xuan ; Morris Eric ; Yu Pu ; Sitaram Srinivas Pravin, Electrodeposition of cerium-based coatings for corrosion protection of aluminum alloys.
Crivello James V. (Clifton Park NY), Heat curable processable epoxy compositions containing aromatic iodonium salt catalyst and copper salt cocatalyst.
Becker Kurt J. (Newark DE) Jensen James A. (Hockessin DE) Lukacs ; III Alexander (Wilmington DE), Metal-nitrogen polymer compositions comprising organic electrophiles.
Tadokoro Kenichiro,JPX ; Shoji Hiromasa,JPX ; Sakon Tadashi,JPX ; Jitsuhara Ikuo,JPX ; Yamasaki Makoto,JPX, Metallic sheet having rust-preventive organic coating thereon, process for the production thereof and treating fluid therefor.
Jaslier Yann,FRX ; Alperine Serge Alexandre,FRX ; Leger Jacques Louis,FRX, Method of improving oxidation and corrosion resistance of a superalloy article, and a superalloy article obtained by the method.
Jaslier Yann,FRX ; Alperine Serge Alexandre,FRX ; Leger Jacques Louis,FRX, Method of improving oxidation and corrosion resistance of a superalloy article, and a superalloy article obtained by the method.
Simms, John A., Pigment dispersants formed by reacting an isocyanate with a poly (ethylene glycol) alkyl ether, a polyester or polyester or polyacrylate and a diamine.
Collier John Richard (Hendesford GB2) Holker Kenneth Urmston (Kidderminster GB2), Pigment which is substantially free of water-soluble salts and confers corrosion resistance.
Grunbauer Henri J. M.,NLX ; Broos Jacobus A. F.,NLX ; Pickin Kevin,GBX, Polyisocyanate-based polymer comprising metal salts and preparation of metal powders therefrom.
Tseung Alfred C. C. (London GB2) Chan Ho C. (London GB2) Fouzder Nani B. (London GB2) Sriskandarajah Thurairajah (London GB2), Prevention of hydrogen embrittlement of metals in corrosive environments.
Hauser Brian T. ; Karabin Richard F. ; Lingenfelter Thor G., Process for applying a lead-free coating to untreated metal substrates via electrodeposition.
Barnhoorn Adrianus J. M. (Amsterdam NLX) Raudenbusch Werner T. (Amsterdam NLX), Process for the preparation of self-cross-linking resinous binders and their use in surface coating compositions.
Cayless Richard A. (Maidenhead GB2) Hazell Leonard B. (Burpham GB2), Process for the treatment of a metal oxide layer, a process for bonding a metal object comprising a metal oxide layer an.
Hoon Chung KR; Seung-Jae Baek KR; Jong-Myung Hong KR; Ki-Myong Song KR, Resin dispersion for cationic electrodeposition and low temperature curable cationic electrodeposition coating composition including the same.
Sakon Tadashi,JPX ; Jitsuhara Ikuo,JPX ; Tadokoro Kenichiro,JPX ; Sekoguchi Maki,JPX ; Shoji Hiromasa,JPX ; Yamazaki Makoto,JPX, Surface-treated steel sheet with resin-based chemical treatment coating and process for its production.
Kooymans Petrus G. (Amsterdam NLX) Wintraecken Johannes J. M. H. (Amsterdam NLX) Raudenbusch Werner T. (Amsterdam NLX) Seelen-Kruijssen Josepha M. E. (Amsterdam NLX) Schreurs Gerardus C. M. (Amsterda, Thermosetting resinous binder compositions, their preparation, and use as coating materials.
Dull Dennis L. ; Mansfeld Florian B., Use of rare earth metal salt solutions for sealing or anodized aluminum for corosion protection and paint adhesion.
Guhde Donald J. ; Dorsett Terry E. ; Maze Etienne,FRX ; Germano Victor V. ; Gunn Walter H., Water-reducible coating composition for providing corrosion protection.
Guhde Donald J. ; Dorsett Terry E. ; O'Brien Deborah A. ; Gunn Walter H. ; Germano Victor V., Water-reducible coating composition for providing corrosion protection.
Olson, Erik Christian; Hammel, Devon Beau, Detergent compositions with combinations of acrylic and maleic acid homopolymers and/or salts thereof for aluminum protection.
Olson, Erik Christian; Hammel, Devon Beau, Detergent compositions with combinations of acrylic and maleic acid homopolymers and/or salts thereof for aluminum protection.
Li, Ming; Marinelli, James M.; Liu, Jiantao; Magnusen, Paul E.; Sheu, Simon; Heinimann, Markus B.; Liu, John; Vega, Luis Fanor, Metal sheets and plates having friction-reducing textured surfaces and methods of manufacturing same.
Keuk, Jasmine; Lum, Paul Anthony; Davis, Michael S.; Gutierrez, Miguel Angel; Koay, Chiew W.; Johnston, Jr., Douglas E.; Flanigan, Carolina A.; Wyman, Larry Dale; Gasmena, Roland L., Universal tint paste having high solids.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.