[특허]Layer of reaction product of epoxy and phosphorus materials and curing agent on substrate

[미국특허] Layer of reaction product of epoxy and phosphorus materials and curing agent on substrate 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05D-003/02 B32B-015/08 B32B-027/38 C08K-003/20 C08K-003/00 C08G-059/14 C08G-059/00 C08L-063/02 C08L-063/00 C09D-005/08
출원번호	US-0521823 (2006-09-15)
등록번호	US-7476444 (2009-01-13)
발명자 / 주소	Pawlik,Michael J. Jones,Dennis W. Gray,Ralph C. Nugent, Jr.,Richard M Le Disert,Yves Deronne,Laurent
출원인 / 주소	PPG Industries Ohio, Inc.
대리인 / 주소	Meyers,Diane R.
인용정보	피인용 횟수 : 1 인용 특허 : 17

초록 ▼

A corrosion resistant, alkali resistant coating composition is disclosed. The composition comprises a binder comprising a reaction product of an epoxy-containing material and a phosphorus-containing material together with a curing agent. Aminoplasts, especially melamine-based aminoplasts, are particularly suitable curing agents. A source of silicon can optionally be included. The compositions also provide excellent adhesion and can be used with or without a weldable primer. The compositions are applied to and cured on a metal substrate.

대표청구항 ▼

What is claimed: 1. A weldable, corrosion resistant layer deposited on a substrate, wherein the weldable layer has a thickness of from 0.1 micron to 1.0 micron, is substantially free of conductive pigments, and is comprised of the cured reaction product of: a) the reaction product of at least one epoxy-functional material and at least one phosphorus-containing material, wherein the equivalent ratio of the phosphorous-containing material to epoxy-containing material is within the range of 1.6:1 and 5:1; and b) a curing agent. 2. A coating layer combination comprising the weldable, corrosion resistant layer of claim 1 directly adjacent to a weldable coating layer comprising an electroconductive pigment and a binder. 3. The layer of claim 1, wherein the epoxy-containing material is a polyglycidyl ether of a polyhydric phenol. 4. The layer of claim 3, wherein the polyhydric phenol is Bisphenol A. 5. The layer of claim 1, wherein the number average molecular weight of the epoxy-containing material is 220 to 25,000, as determined by multiplying the epoxy equivalent by the epoxy functionality. 6. The layer of claim 1, wherein the phosphorus-containing material is selected from the group consisting of phosphoric acid, a phosphonic acid, and phosphorous acid. 7. The layer of claim 1, wherein the curing agent is selected from the group consisting of aminoplast resins, polyisocyanates, polyacids, organometallic complexed materials, polyamines, and polyamides. 8. The layer of claim 7, wherein the curing agent is an aminoplast that is a melamine-formaldehyde condensate comprising at least 40 weight percent of imino groups. 9. The layer of claim 1, wherein the weldable, corrosion resistant layer further comprises one or more corrosion resistant pigments. 10. A metal substrate at least partially coated with the weldable, corrosion resistant layer of claim 1.

이 특허에 인용된 특허 (17) 인용/피인용 타임라인 분석

Anderson Karl P. (Columbus OH) Clark Whaite M. (Rancho Mirage CA) Yu Poli C. (Wexford PA) Moyle Richard T. (Pataskala OH), Aqueous epoxy resin compositions and metal substrates coated therewith.
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Gray Ralph C. ; Hauser Brian T. ; Valko Joseph T., Compositions and process for treating metal substrates.
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Pawlik,Michael J.; Jones,Dennis W.; Gray,Ralph C.; Nugent, Jr.,Richard M; Le Disert,Yves; Deronne,Laurent, Corrosion and alkali-resistant compositions and methods for using the same.
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Helbling Alois (Pialba AUX), Curable latex composition, films and foams formed therefrom and method for curing the composition.
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Gray,Ralph C.; Van Buskirk,Ellor James; Pawlik,Michael J.; Nugent, Jr.,Richard M.; Jones,Dennis W.; Coldren,Kathleen M.; Perrine,Steven D.; Jones,James E., Curable, weldable coating compositions.
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Yabu Yoshimitsu (Gotemba JPX), Epoxy phosphate ester resin, its production and coating composition containing the resin.
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Horold Sebastian,DEX, Epoxy resin reacted with carboxy-functional phosphinic or phosphonic acid and hardener.
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Koenig Raymond A. (Vendenheim FRX) Elliott Brian W. (Alconbury GB3), Epoxy resins of controlled conversion and a process for their preparation.
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Soltwedel Jeffrey N., Mar resistant, corrosion inhibiting, weldable coating containing iron powder for metal substrates.
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Gray Ralph C. (Butler PA) Pawlik Michael J. (Glenshaw PA) Kahle ; II Charles F. (Allison Park PA) Pruchal Paul J. (Pittsburgh PA), Method of treating nonferrous metal surfaces by means of an acid activating agent and an organophosphate or organophosph.
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Gray Ralph C. (Butler PA) Pawlik Michael J. (Glenshaw PA) Prucnal Paul J. (Pittsburgh PA) Baldy Christopher J. (Warrendale PA), Non-chrome passivation for metal substrates.
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Massingill ; Jr. John L. (Lake Jackson TX), Organic solvent solutions of phosphate esters of epoxy resins.
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Kahle, II, Charles F., Reaction products of alpha-aminomethylene phosphonic acids and epoxy compounds and their use in coating compositions.
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Sadvary, Richard J.; Anderson, Lawrence G.; Gaggini, Sherry M.; Jones, Dennis W., Weldable coating compositions having improved intercoat adhesion.
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Gray, Ralph C.; Van Buskirk, Ellor James; Pawlik, Michael J.; Nugent, Jr., Richard M.; Jones, Dennis W.; Coldren, Kathleen M.; Perrine, Steven D.; Jones, James E., Weldable coating of phosphated epoxy polymer, curing agent and electroconductive pigment.
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Pawlik,Michael J.; Gray,Ralph C.; Perrine,Steven D.; Hopkins,Daniel L., Weldable compositions comprising a conductive pigment and silicon and methods for using the same.
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Valentin Berger DE; Ralph C. Gray ; Richard M. Nugent, Jr. ; Michael J. Pawlik, Weldable, coated metal substrates and methods for preparing and inhibiting corrosion of the same.
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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Moussa, Youssef; Knotts, Claudia; List, Michael, Coating compositions with improved adhesion to containers.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Layer of reaction product of epoxy and phosphorus materials and curing agent on substrate 원문보기