[특허]Method of making matte airfoil coatings

Method of making matte airfoil coatings 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-027/00 B32B-015/00 B32B-017/06 C08G-018/16 C08G-018/10 C08G-018/32 C08G-018/00
출원번호	US-0814003 (2010-06-11)
등록번호	US-8124235 (2012-02-28)
발명자 / 주소	Hong, Shek C.
출원인 / 주소	Hontek Corporation
대리인 / 주소	Michaud-Kinney Group LLP
인용정보	피인용 횟수 : 0 인용 특허 : 39

초록 ▼

A method of forming a matte topcoat for rotor blades, propellers and other articles used to protect a leading edge substrate against high speed liquid or solid particle erosion including premixing a concentrate of flatting agent dispersed in a solvent, reducing the moisture content using molecular sieves, blending the concentrate of flatting agent into a polyurethane or polyurea composition and forming a protective coating comprising a matte layer on the leading edge substrate.

대표청구항 ▼

1. A method of forming a matte coating for protecting a leading edge substrate against high speed liquid or solid particle erosion, the method comprising: premixing a concentrate of flatting agent dispersed in a solvent;adding an effective amount of a molecular sieve to said concentrate of flatting agent dispersed in solvent to reduce the moisture content of said concentrate;blending said concentrate of flatting agent dispersed in solvent into a polyurethane or polyurea composition of a polyisocyanate or an isocyanate-terminated prepolymer;adding to said polyurethane or polyurea composition a curing agent selected from a group consisting of an aldimine, a ketimine, a polyaspartic ester and mixtures thereof and an optional cocuring agent selected from the group consisting of a polyamine and a polyol and mixtures thereof to form a matte coating composition;depositing said matte coating composition on said leading edge substrate; andforming the matte coating on said leading edge substrate. 2. The method according to claim 1 wherein the step of blending said concentrate of flatting agent dispersed in solvent further comprises preblending the concentrate into an isocyanate portion prior to the step of adding to said polyurethane or polyurea composition a curing agent to form said matte coating composition. 3. The method of forming a matte coating for protecting a leading edge substrate of claim 1 wherein said flatting agent is selected from the group consisting of fine particle powders of organic and inorganic materials, urea-formaldehydes, silicas, precipitated silica, fumed silica, polymeric beads, talc, alumina, calcium carbonate and mixtures thereof. 4. The method of forming a matte coating of claim 1 wherein said flatting agent concentrate contains a dispersant. 5. The method of forming a matte coating for protecting a leading edge substrate of claim 1 further comprising the step of treating the concentrate of flatting agent dispersed in a solvent with molecular sieves to reduce the moisture content of the flatting agent concentrate prior to blending said concentrate with the polyurethane or polyurea composition. 6. A method of forming a matte coating composition for protecting a leading edge substrate, the method comprising: premixing a concentrate of flatting agent dispersed in a solvent;reducing the moisture content of the flatting agent concentrate by adding an effective amount of molecular sieves; andblending said concentrate of flatting agent into a polyurethane or polyurea composition comprising a polyisocyanate or an isocyanate-terminated prepolymer; andforming said matte coating composition by adding a curing agent selected from a group consisting of an aldimine, a ketimine, a polyaspartic ester and mixtures thereof and an optional cocuring agent selected from the group consisting of a polyamine and a polyol and mixtures thereof. 7. A method of forming a matte coating composition for protecting a leading edge substrate against high speed liquid or solid particle erosion comprising: premixing a concentrate of flatting agent dispersed in a solvent;reducing the moisture content of the concentrate of flatting agent with molecular sieves; andblending said concentrate of flatting agent dispersed in solvent into a polyurethane or polyurea composition comprising a polyisocyanate or an isocyanate-terminated prepolymer; andforming said matte coating composition by adding a curing agent selected from a group consisting of an aldimine, a ketimine, a polyaspartic ester and mixtures thereof and an optional cocuring agent selected from the group consisting of a polyamine and a polyol and mixtures thereof. 8. The method according to claim 6 wherein said concentrate contains a dispersant. 9. The method according to claim 7 wherein said concentrate contains a dispersant. 10. The method according to claim 6 wherein the moisture content in the flatting agent concentrate is reduced to less than 0.04% by weight of total concentrate. 11. The method according to claim 7 wherein the moisture content in the flatting agent concentrate is reduced to less than 0.04% by weight of total concentrate. 12. A method of forming a matte topcoat for protecting a leading edge substrate against high speed liquid or solid particle erosion, the method comprising: premixing a concentrate of flatting agent dispersed in a solvent;adding an effective amount of a molecular sieve to said concentrate of flatting agent dispersed in solvent to reduce the moisture content of said concentrate;blending said concentrate of flatting agent dispersed in solvent into a polyurethane or polyurea composition formed by the reaction of a polyisocyanate or an isocyanate-terminated prepolymer and a curing agent selected from a group consisting of an aldimine, a ketimine, a polyaspartic ester and mixtures thereof and an optional cocuring agent selected from the group consisting of a polyamine and a polyol and mixtures thereof to form a matte coating composition;depositing the matte coating composition on said leading edge substrate; andforming the matte topcoat on said leading edge substrate.

이 특허에 인용된 특허 (39)

Miller Gordon G. (Shelton CT), Aerodynamic flexible fairing.
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Luthra Sanjay, Aqueous, two-component polyurea coating compositions.
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Goldberg Daniel (Bordentown NJ) Lauman G. Fred (Chalfont PA), Cavitation-resistant polymer and coating.
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Hertel Christopher J. (Glastonbury CT) Watson Charles R. (Windsor CT) Blecherman Sol S. (Newington CT) Lomasney Gary M. (New Britain CT), Composite airfoil leading edge protection.
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Harrison, Richard P.; Ogonowski, Joseph; Pavlinac, Jon P.; Chang, L. Patrick, Decorative components having an elastomeric outer surface and methods of making such components.
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Richard P. Harrison ; Joseph Ogonowski ; Jon P. Pavlinac ; L. Patrick Chang, Decorative components having an elastomeric outer surface and methods of making such components.
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Leger Donald F. (Springfield MA), Die for electroforming a part.
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Smith Blair A. ; Graff John M., Electroformed sheath and airfoiled component construction.
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Eaton Harry E. (Woodstock CT) Holowczak John E. (South Windsor CT) Reinfelder William C. (Woodbridge CT), Engineered ceramic components for the leading edge of a helicopter rotor blade.
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Hertel Christopher J. (Glastonbury CT) Watson Charles R. (Windsor CT), Erosion resistant surface protection.
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Wiedemann,Karl Erik; Sivakumar,Rajagopalan, Erosion-resistant silicone coatings for protection of fluid-handling parts.
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Urs, Bhaskar R., Matte-finish polyurethane coating composition.
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Lesinsky Michael A. (178 Alexander Dr. Bridgeport CT 06606) Lesinsky ; Jr. Kenneth A. (26 Wildwood Ave. Milford CT 06460) Lesinsky ; deceased Jonathan V. (late of Milford CT) Lesinsky ; Sr. ; executo, Method and apparatus for applying viscous materials to curved surfaces.
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L. Patrick Chang ; Jon Pavlinac ; Joseph Ogonowski ; Richard P. Harrison, Method for producing decorative components having an outer elastomeric layer that is integral with an inner foam layer.
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Martin Gauthier CA; Claude Charest CA; Rene Menard CA; Jean-Fran.cedilla.ois Courtoy CA, Method of controlling specular gloss characteristics.
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Cowelchuk, Glenn, Method of manufacturing a vehicle trim component.
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Kadooda Tsuneo (Kakogawa JPX), Process for surface treatment of aluminum article.
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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

내보내기 구분	파일저장 인쇄 메일전송
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Method of making matte airfoil coatings 원문보기

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Method of making matte airfoil coatings 원문보기

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