[특허]Particulate metal alloy coating for providing corrosion protection

[미국특허] Particulate metal alloy coating for providing corrosion protection 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-011/08
출원번호	UP-0710749 (2007-02-26)
등록번호	US-7740947 (2010-07-12)
발명자 / 주소	Maze, Etienne Georges Lelong, Gilbert Louis Dorsett, Terry E. Guhde, Donald J. Nishikawa, Toshio
출원인 / 주소	Metal Coatings International Inc.
대리인 / 주소	Rankin, Hill & Clark LLP
인용정보	피인용 횟수 : 0 인용 특허 : 25

초록 ▼

Coatings containing particulate metal alloy are disclosed. The coatings provide corrosion protection to a substrate, such as a metal substrate. The coatings contain zinc-metal-containing alloy in flake form, most particularly an alloy flake of zinc and aluminum. The coating can be from compositions that are water-based or solvent-based. The compositions for providing the coating may also contain a substituent such as a water-reducible organofunctional silane, or a hexavalent-chromium-providing substance, or a titanate polymer, or a silica substance constituent. the coating may desirably be topcoated.

대표청구항 ▼

The invention claimed is: 1. A coated substrate protected with a chrome-free, corrosion-resistant coating from a composition comprising: (A) liquid medium; (B) zinc alloy in flake form comprising greater than 50 weight percent zinc in said alloy flake and a balance of less than 50 weight percent of non-zinc alloy metal; and (C) silane binding agent. 2. The coated substrate of claim 1 wherein said liquid medium is one or more of water and organic liquid and said water, when present, is present in an amount above about 25 weight percent of said coating composition. 3. The coated substrate of claim 1 wherein said zinc alloy in flake form is zinc alloyed with at least one agent selected from the group consisting of aluminum, magnesium, tin, nickel, cobalt and manganese. 4. The coated substrate of claim 1 wherein said zinc alloy in flake form is a zinc-aluminum-magnesium alloy flake. 5. The coated substrate of claim 1 wherein said zinc alloy in flake form is an alloy having at least about 90 percent of the flake particles with a longest dimension of less than about 15 microns and has at least about 50 percent of the flake particle with a longest dimension of less than about 13 microns, and said composition further contains non-alloyed particulate metal. 6. The coated substrate of claim 1 wherein said zinc is alloyed with one or more of tin and aluminum, with said zinc alloyed with aluminum containing less than about 20 weight percent aluminum, while said zinc alloyed with tin contains not more than about 30 weight percent tin. 7. The coated substrate of claim 1 wherein said zinc alloy in flake form comprises a paste containing less than about 15 weight percent aluminum in said alloy flake, on a metals basis, and up to about 10 weight percent paste liquid, basis weight of said paste. 8. The coated substrate of claim 7 wherein said paste contains from about 85 to about 86 weight percent zinc in said alloy and from about 4 to about 8 weight percent of aluminum in said alloy, both basis 100 weight percent of said paste. 9. The coated substrate of claim 7 wherein said paste contains from about 7 to about 10 weight percent of paste liquid and contains from about 4 to about 5 weight percent of said aluminum, both basis 100 weight percent of said paste. 10. The coated substrate of claim 8 wherein said zinc-aluminum alloy paste is a paste of zinc and aluminum alloy in flake form containing from about 85 to about 86 weight percent zinc, from about 4 to about 8 weight percent aluminum and a balance of from about 7 to about 10 weight percent paste liquid, all basis being 100 weight percent of the paste. 11. The coated substrate of claim 1 wherein said silane binding agent is a water-reducible, organofunctional binding agent containing alkoxy groups, which silane binding agent contributes from about 3 to about 20 weight percent of said coating composition. 12. The coated substrate of claim 1 wherein said coating composition has a pH within the range of from greater than 6 to about 7.5, contains water in an amount above about 30 weight percent, and has a molar ratio of water to silane alkoxy groups above about 4.5:1. 13. The coated substrate of claim 1 wherein said coating additionally comprises one or more of thickener and wetting agent, said coating is topcoated with a composition containing silica substance and said topcoating provides silica substance from at least one agent selected from the group consisting of colloidal silica, organic silicate and inorganic silicate.

이 특허에 인용된 특허 (25) 인용/피인용 타임라인 분석

Kaliardos Nicolas (10725 Morang Ave. Detroit MI 48224), Anti-corrosion coating for metals.
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Higashiyama Takao (Yokohama JPX) Nakazato Michiaki (Yokohama JPX), Anticorrosion coating composition.
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Marguier Gilbert (Senlis FRX), Anticorrosion coating composition with improved stability, and coated substrate.
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Fourez Michel (9 ; rue Jean-Jaures ; Thiverny 60160 Montataire FRX) Lonca Michel (303 ; route de Rantigny ; Vaux sous Cambronne 60290 Rantigny FRX) Pichant Patrick (3 Alle des Charmes 60300 Avilly St, Anticorrosion coating composition, process for applying it and coated threaded components.
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Higashiyama Takao (Yokohama JPX) Nishikawa Toshio (Yokohama JPX), Anticorrosive coating composition.
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Hayati Hossein (Adrian MI) Flasch John R. (Adrian MI), Binder composition and coating containing the same.
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Pelloski, Peter E., Black corrosion resistant coating and method for a metal substrate.
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Luecke Arthur A. (Kirtland OH) Dorsett Terry E. (Chardon OH), Black topcoating composition.
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Whyte Donald E. (Racine WI) Wagen Dennis M. (Waukesha WI) Balow Robert A. (Racine WI), Composition and method for coating an object of interest.
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DERidder Jon A. (Ashtabula OH), Concentrate for liquid coating composition for metal substrates.
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Frey, Gary T.; Strong, Douglas H.; Urbanski, Janet B., Corrosion resistant lubricant coating composite.
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Roberto Oscar E. (Farmington Hills MI) Maxim Marc A. (Sterling Heights MI), Dual coated metal substrates and method of making.
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Roberto Oscar E. (Farmington Hills MI) Maxim Marc A. (Sterling Heights MI), Dual coated metal substrates and methods of making the same.
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Ishijima Shizuo (Mishima JPX) Imasato Yasunobu (Fuji JPX), Metal flake pigment and method of preparing the same.
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Brun Chalres G. H. (Rontataire FRX) Bailleul Jean F. (Grande-Synthe FRX) Lecendre Fuddy (Grande-Synthe FRX) Coolen Franueine (Dunkerque FRX), Process and apparatus for determining the quality of a thin coated or uncoated steel sheet.
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Danforth Claudia L. (Chardon OH) deRidder Jon A. (Madison OH), Silicate treatment for coated substrate.
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Dorsett Terry E. (Painesville OH) Rininger David P. (Fairport Harbor OH), Temperature resistant coating composite.
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Turner Robert L. (Troy MI), Treatment of aluminum flake to improve appearance of coating compositions.
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Guhde Donald J. ; Dorsett Terry E. ; Maze Etienne,FRX ; Germano Victor V. ; Gunn Walter H., Water-reducible coating composition for providing corrosion protection.
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Guhde Donald J. ; Dorsett Terry E. ; O'Brien Deborah A. ; Gunn Walter H. ; Germano Victor V., Water-reducible coating composition for providing corrosion protection.
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Oka Joji (Tokyo JPX) Iwakura Hideaki (Kanagawa JPX) Ando Narumi (Tokyo JPX) Iwasaki Kiyotoshi (Fukuoka JPX) Shindow Yoshio (Chiba JPX), Weldable paint-coated steel sheets having excellent corrosion resistance.
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Urry Lewis F., Zinc anode for an electochemical cell.
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Durkot Richard Edward ; Lin Lifun ; Harris Peter Bayard, Zinc electrode particle form.
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Richard Edward Durkot ; Lifun Lin ; Peter Bayard Harris, Zinc-based electrode particle form.
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Orr Edward W. (Midland MI), Zinc-based paints employing a mixture of ether alcohols as liquid organic vehicle.
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[미국특허] Particulate metal alloy coating for providing corrosion protection 원문보기

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