[특허]Sprayable aliphatic polyurea-polyurethane coating compositions and methods

[미국특허] Sprayable aliphatic polyurea-polyurethane coating compositions and methods 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C08G-018/10 C08G-018/74 C08G-018/76
출원번호	US-0499594 (1990-03-23)
발명자 / 주소	Wilson E. Lynn (885 E. 500 North Nephi UT 84648)
출원인 / 주소	Wilson Bruce (Bennion UT 04) Wilson E. Lynn (Nephi UT 04a part interest)
인용정보	피인용 횟수 : 36 인용 특허 : 0

초록 ▼

Sprayable aliphatic polyurea-polyurethane coating compositions and methods are disclosed. A quasi-prepolymer composition is prepared by mixing an aliphatic polyisocyanate with a stoichiometrically deficient quantity of polyol such that substantially all of the available hydroxyl groups of the polyol react with the isocyanate groups of the aliphatic polyisocyanate. Suitable catalysts may be used to accelerate the urethane bonding in the quasi-prepolymer compositon. The polymeric coating is preferably formed by reacting the quasi-prepolymer composition with a low molecular weight or a mixture of low and high molecular weight amine terminated polyether compounds. The amine terminated polyether compounds have amine groups capable of reacting with the unreacted isocyanate groups of the quasi-prepolymer Mixing of the quasi-prepolymer composition and the amine terminated polyether is preferably done at a sufficiently fast rate of result in a substantially homogeneous product. The currently preferred method of mixing is impingement mixing. The resulting mixture preferably has a sufficiently slow cure time such that the mixture is capable of being sprayed, but has a sufficiently fast cure time such that the mixture may be sprayed uniformly on non-horizontal surfaces.

대표청구항 ▼

A polyurea-polyurethane coating prepared by a process comprising the steps of: (a) preparing a quasi-prepolymer composition by mixing a quantity of a tetraalkyl xylene diisocyanate with a stoichiometrically deficient quantity of polyol having a molecular weight greater than about 600, said tetraalkyl xylene diisocyanate reacting with said polyol such that substantially all of the available hydroxyl groups of the polyol react with the isocyanate groups of the tetraalkyl xylene diisocyanate to form the quasi-prepolymer composition, the quasi-prepolymer having a sufficiently low viscosity to allow the quasi-prepolymer to be mixed together and sprayed through a device that can achieve a spray; (b) impingement mixing the quasi-prepolymer composition with an amine terminated polyether having amine groups capable of reacting with unreacted isocyanate groups of the quasi-prepolymer composition, said impingement mixing being performed at a sufficiently fast rate to result in a substantially homogenous mixture, in which the unreacted isocyanate groups of the quasi-prepolymer composition react with the amine terminated polyether at a rate sufficiently slow such that the homogenous mixture is capable of being sprayed; (c) spraying the homogenous mixture with the spraying device onto a surface; and (d) allowing the homogenous mixture to cure and form the polyurea-polyurethane coating.

이 특허를 인용한 특허 (36) 인용/피인용 타임라인 분석

Simonds, Vincent; Gendreau, Richard K.; Kennedy, III, Thomas J., Coating a ball with two-part polyester polyol-catalyst/polyisocyanate system.
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Li, Zhicheng; Anater, Mark T.; Hsu, Gloria S., Coating process and composition for same.
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Li,Zhicheng; Anater,Mark T.; Hsu,Gloria S., Coating process and composition for same.
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Peeler, Calvin T.; May, Michael C.; Howard, Theresa A., Composite article.
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Peeler,Calvin T.; May,Michael C.; Howard,Theresa A., Composite article.
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Peters, David D.; May, Michael C., Composite article and method of forming the same.
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Foreman James E. ; Dowell Douglas R. ; Isler Bobby G., High build polyurethane coating.
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Foreman James E. ; Dowell Douglas R. ; Isler Bobby G., High build polyurethane coating.
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Bryan Naderhoff ; Ling Tan ; Jeffrey H. Danneman, Hindered amine adducts for polyurea systems.
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Mark D. Purgett ; David C. May ; Mark D. Zender ; Daniel J. Willie ; Thomas R. Borden, Liquid pavement marking compositions.
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Purgett, Mark D.; May, David C.; Zender, Mark D.; Willie, Daniel J.; Borden, Thomas R., Liquid pavement marking compositions.
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Purgett, Mark D.; May, David C.; Zender, Mark D.; Willie, Daniel J.; Borden, Tom R., Liquid pavement marking compositions.
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Purgett,Mark D.; May,David C.; Zender,Mark D.; Willie,Daniel J.; Borden,Tom R., Liquid pavement marking compositions.
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Weisenberg, Kent; Primeaux, II, Dudley, Method and apparatus for lining pipes with isocyanate and hydroxyl-amine resin based on castrol or soy oil.
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Wilson, Erich A.; Kipp, Michael D.; Ridges, Michael D., Method and system for forming composite geometric support structures.
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Nachtman Thomas J. ; Greer Harold B. ; Hull John H., Method for containing or removing contaminants from a substrate.
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Locke Ralph J. ; Irvine Daniel W., Method for damping noise, vibration and harshness of a substrate.
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Rickner, Stephen; Jibrail, Joseph; Camba, Jose; Velasco, Jr., Carlos; Peeler, Calvin; May, Michael, Method for making a polyurea-polyurethane composite structure substantially free of volatile organic compounds.
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Lewno, Jeffrey A., Method for manufacturing an articulatable vehicular window assembly.
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Vincent Simonds ; Richard K. Gendreau ; Thomas J. Kennedy, III, Method of coating a game ball with a solvent-based polyurethane cured with catalyst.
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Smith, Charles J.; Nachtman, Thomas J., Method of packaging an object.
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Sanders, Darrell J.; Cameron, Vernon B.; Swarny, Mark J., Mine shaft liner plate system and method.
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Fontecchio, Wesley, Monolithic abrasive snow retention system.
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Patel,Suman K.; Carlson,James G., Pavement marking comprising modified isocyanate.
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Davis, Thomas E.; Primeaux, II, Dudley J., Phenolic/polyurea coating co-polymer compositions and process.
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Rickner, Stephen; Jibrail, Joseph; Camba, Jose; Velasco, Jr., Carlos; Peeler, Calvin; May, Michael, Polyurea-polyurethane composite structure substantially free of volatile organic compounds.
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Eling, Berend; Göttke, Stephan; Buylinckx, Ben; Mägerlein, Wolfgang, Polyureas preparable from two polyetheramines and a prepolymer.
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Primeaux ; II Dudley J. (Elgin TX) Zimmerman Robert L. (Austin TX), Preparation of sprayable aliphatic polyurea elastomers having improved properties.
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MacGregor Cline J. (Lancaster OH) Malone Joseph L. (Lancaster OH) York Monte H. (Akron OH), Process for making a polyurea backed product with a polyurethane skin.
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Doll Daniel W. ; Lund Gary K., Processing and curing aid for composite propellants.
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Thomas J. Kennedy, III, Quick-cure game ball coating system.
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Feuer, Avi; Allyn-Feuer, Ari, Roofing method and apparatus.
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Lewno, Jeffrey A., Vehicular rear sliding window assembly.
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Lewno, Jeffrey A., Vehicular rear sliding window assembly.
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Lewno, Jeffrey A., Vehicular sliding window assembly.
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Repp, R. Scott; Stallman, Pamela M., Window assembly for vehicle.
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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] Sprayable aliphatic polyurea-polyurethane coating compositions and methods 원문보기