Nanocomposite coatings for threaded connections
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-027/06
B32B-027/18
B32B-027/38
C09K-003/00
C23F-011/00
F16L-015/00
F16L-015/08
C10M-157/02
C10M-147/00
C10M-125/02
C10M-143/02
출원번호
US-0664301
(2012-10-30)
등록번호
US-8758876
(2014-06-24)
발명자
/ 주소
Carcagno, Gabriel Eduardo
Endres, Klaus
출원인 / 주소
Tenaris Connections Limited
대리인 / 주소
Knobbe Martens Olson & Bear, LLP
인용정보
피인용 횟수 :
2인용 특허 :
96
초록▼
A coating which provides corrosion resistance, wear resistance, and, optionally, lubrication, for deposition on a threaded article is disclosed. The coating comprises a polymer matrix, such as a polyimide, which is modified with small amounts of a fluorine containing polymer modifier, as well as oth
A coating which provides corrosion resistance, wear resistance, and, optionally, lubrication, for deposition on a threaded article is disclosed. The coating comprises a polymer matrix, such as a polyimide, which is modified with small amounts of a fluorine containing polymer modifier, as well as other compounds or additives to improve performance of the coating. Additionally, the coating can further comprise a solid lubricant or an anticorrosion compound dispersed within the polymer matrix.
대표청구항▼
1. A threaded article comprising: a first coating composition deposited on a thread portion of the threaded article, comprising:a polymer selected from the group consisting of epoxies and polyimides; about 0.5 to about 15 wt. % of a fluorine containing polymer modifier;about 5 to about 15 wt. % of a
1. A threaded article comprising: a first coating composition deposited on a thread portion of the threaded article, comprising:a polymer selected from the group consisting of epoxies and polyimides; about 0.5 to about 15 wt. % of a fluorine containing polymer modifier;about 5 to about 15 wt. % of an anticorrosion compound;about 10 to about 15 wt. % of an adhesion additive comprising zinc oxide, said zinc oxide provided in an effective amount to promote adhesion of the first coating composition to the thread portion. 2. The threaded article of claim 1, wherein the mean diameter of the zinc oxide ranges between approximately 10 nm to approximately 10 μm. 3. The threaded article of claim 1, wherein the fluorine containing polymer modifier comprises perfluoropolyether. 4. The threaded article of claim 1, wherein the first coating composition comprises a single layer. 5. The threaded article of claim 1, wherein the first coating composition further comprises about 3 to about 30 wt. % of a solid lubricant. 6. The threaded article of claim 5, wherein the solid lubricant is selected from the group consisting of graphite, molybdenum disulfide, HDPE and PTFE. 7. The threaded article of claim 1, wherein the first coating composition further comprises at least one of: about 3 to about 8 wt % zinc;about 1 to about 5 wt. % zinc(II)phosphate;about 1 to about 5 wt. % Carbon black; andabout 10 to about 20 wt. % of polydimethylsiloxane. 8. The threaded article of claim 1, wherein a second coating composition layer comprising a dry film lubricant is deposited on a thread portion of at least one of a pin and a box members. 9. The threaded article of claim 8, wherein the first coating composition is deposited on a pin member and the second coating composition is deposited on a box member. 10. The threaded article of claim 8, wherein the second coating composition comprises: about 4 to about 16 wt. % polytetrafluoroethylene (PTFE);about 8 to about 24 wt. % of a reactive epoxy;about 1 to about 6 wt. % titanium dioxide; anda solvent;wherein the amount of each component is on the basis of the total weight of the second coating composition. 11. The threaded article of claim 8, wherein the combined thickness of the first and second coatings layers is less than about 80 μm. 12. The threaded article of claim 8, wherein the thickness of the first and second coating compositions are approximately equal. 13. The threaded article of claim 1, wherein the coating composition further comprises a reinforcement nano/micro particle additive. 14. The threaded article of claim 13, wherein the reinforcement nano/micro particle additive is modified with organic functional groups. 15. The threaded article of claim 13, wherein the reinforcement nano/micro particle additive comprises about 5 to 20 wt. % of the total weight of the coating composition. 16. The threaded article of claim 13, wherein the reinforcement nano/micro particle additive is selected from the group consisting of silicon carbide, titanium dioxide, aluminum oxide, and silicon dioxide. 17. The threaded article of claim 16, wherein the reinforcement nano/micro particle additive comprises SiC. 18. The threaded article of claim 17, wherein the SiC comprises about 5-20% of the total weight of the coating composition. 19. The threaded article of claim 17, wherein the SiC comprises about 5-10% of the total weight of the coating composition. 20. The threaded article of claim 1, wherein the coating composition has a coefficient of friction of less than about 0.2. 21. The threaded joint of claim 20, wherein the coefficient of friction is less than about 0.1. 22. The threaded article of claim 1, wherein the coating composition has a surface roughness of about 0.29 to about 0.31 μm. 23. The threaded article of claim 22, wherein the surface roughness is about 0.3 μm. 24. The threaded article of claim 1, wherein the coating composition passes the neutral salt spray test for about 500 h. 25. The threaded article of claim 1, wherein the coating composition passes the cross-cut tape test according to ASTM D3359-02. 26. The threaded article of claim 1, wherein substantially no corrosion occurs under blisters formed after about 500 h of SST according to DIN 50021/ASTM B117. 27. A threaded article comprising: a dope-free coating composition deposited on a thread portion of the threaded article, comprising: a polymer;a fluorine containing polymer modifier dispersed within the polymer;a reinforcement nano/micro particle additive dispersed within the polymer; anda solid lubricant dispersed within the polymer;wherein the coating composition has a wear coefficient of less than about 1.0×10−5 mm3/N/m and a surface roughness of about 0.29 to about 0.31 μm. 28. The threaded article of claim 27, wherein the polymer comprises a polyimide. 29. The threaded article of claim 27, wherein the solid lubricant is selected from the group consisting of graphite, molybdenum disulfide, HDPE, and PTFE. 30. The threaded article of claim 27, wherein the coating composition has a coefficient of friction of less than about 0.2. 31. The threaded joint of claim 30, wherein the coefficient of friction is less than about 0.1. 32. The threaded article of claim 27, wherein the reinforcement nano/micro particle additive is selected from the group consisting of silicon carbide, titanium dioxide, aluminum oxide, and silicon dioxide. 33. The threaded article of claim 27, wherein the surface roughness is about 0.3 μm. 34. The threaded article of claim 27, wherein the fluorine containing polymer modifier comprises perflouropolyether. 35. The threaded article of claim 27, wherein the coating composition comprises about 0.5 to about 15 wt. % of the fluorine containing polymer modifier. 36. The threaded article of claim 27, wherein the coating composition comprises about 5 to 20 wt. % of the reinforcement nano/micro particle additive. 37. The threaded article of claim 27, wherein the coating composition comprises about 3 to 30 wt. % of the solid lubricant. 38. The threaded article of claim 27, wherein the coating composition further comprises about 5 to about 15 wt. % of an anticorrosion compound. 39. The threaded article of claim 38, wherein the coating composition passes the neutral salt spray test for about 500 h. 40. The threaded article of claim 38, wherein the coating composition passes the cross-cut tape test according to ASTM D3359-02. 41. The threaded article of claim 38, wherein substantially no corrosion occurs under blisters formed after about 500 h of SST according to DIN 50021/ASTM B117. 42. The threaded article of claim 27, wherein the reinforcement nano/micro particle additive is modified with organic functional groups. 43. The threaded article of claim 32, wherein the reinforcement nano/micro particle additive comprises SiC. 44. The threaded article of claim 43, wherein the SiC comprises about 5-20% of the total weight of the coating composition. 45. The threaded article of claim 44, wherein the SiC comprises about 5-10% of the total weight of the coating composition.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (96)
Clark Gregory D., Abrasion and stain resistant curable fluorinated coating.
Petelot Daniel (Landrecies FRX) David Francois (Aulnoye Aymeries FRX), Anti-seizing surface coating for assembly means for tubes by threadings and process for producing such a coating.
Zipplies,Tilman; Hintzer,Klaus; Dadalas,Michael C.; Loehr,Gernot, Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant.
Engle Lori P. ; Hamrock Steven J. ; Moore George G. I. ; Pellerite Mark J. ; Zhu Dong-Wei, Aqueous fluorochemical compositions and abrasion-resistant coatings therefrom.
Moeller Siegfried,DEX ; Speck Elmar,DEX, Circuit configuration for affecting the step frequency in the winding-current activation of stepping motor drives with.
Chihara Kohji Y. (Hudson OH) Fabris Hubert J. (Akron OH) Melby Earl G. (Uniontown OH) Cowell James L. (Uniontown OH) Cocain Harry W. (Cuyahoga Falls OH), Coatings which are abrasion resistant.
Spanhel Lubomir (Saarbrcken-Dudweiler DEX) Arpac Ertugrul (Antalia TRX) Nab Rdiger (Riegelsberg DEX) Schmidt Helmut (Saarbrcken-Gdingen DEX), Composite materials containing nanoscalar particles, process for producing them and their use for optical components.
Ramsey,Sally Judith Weine, Environmentally friendly coating compositions for coating metal objects, coated objects therefrom and methods, processes and assemblages for coating thereof.
Hegedus Charles R. (Warrington PA) Hirst Donald J. (Mt. Laurel NJ) Eng Anthony T. (Philadelphia PA) Green William J. (Clementon NJ), Epoxy corrosion-resistant coating.
Rasmussen Oystein E. (Hosleveien 119 ; N-1340 Berkkestua NOX), Method and substance for protection of free metallic surfaces, especially steel surfaces against corrosion.
Jung, Christian; Shimakura, Toshiaki; Maurus, Norbert; Domes, Heribert, Method for coating metal surfaces with an aqueous, polymer-containing composition, said aqueous composition and the use of the coated substrates.
Dellwo,Ulrike; Mennig,Martin; Oliveira,Peter W.; Schmidt,Helmut; Schneider,Heike, Method for the production of optical elements with gradient structures.
Harada,Takamasa; Kita,Fumio; Zimmermann,Andreas; Dellwo,Ulrike; Mennig,Martin; Oliveira,Peter W.; Schmidt,Helmut; Schneider,Heike, Nanocomposite material for the production of index of refraction gradient films.
Arpac Ertugrul,TRX ; Krug Herbert ; Mueller Peter,DEX ; Oliveira Peter W.,DEX ; Schmidt Helmut,DEX ; Sepeur Stefan,DEX ; Werner Bettina,DEX, Nanostructured moulded bodies and layers and method for producing same.
Schiestel,Thomas; Schirra,Hermann; Schmidt,Helmut; Buxmann,Detmar, Object having a microbicide coating, method for the production thereof and use of the same.
Krug Herbert,DEX ; Nass Rudiger,DEX ; Schmidt Helmut,DEX ; Spanhel Lubomir,DEX, Optical elements containing nanoscaled particles and having an embossed surface and process for their preparation.
Fries Kira,DEX ; Mennig Martin,DEX ; Schmidt Helmut,DEX ; Sohling Ulrich,DEX ; Xing Qiwu,DEX ; Zahnhausen Michael,DEX, Organic/inorganic composites with low hydroxyl group content, method for their production and application.
Carola Dittfurth DE; Stefan Sepeur DE; Ralf-Peter Winkler DE; Helmut Schmidt DE, Powder-coated substrates with topcoat based on silanes containing epoxide groups.
Mascia Leno (Loughborough GB3) Tonelli Claudio (Concorezzo ITX) Simeone Giovanni (Milan ITX), Prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epo.
Kasemann Reiner,DEX ; Schmidt Helmut,DEX ; Arpac Ertugrul,TRX ; Gerhard Volker,DEX ; Geiter Elisabeth,DEX ; Wagner Georg,DEX, Process for the production of compounds based on silanes containing epoxy groups.
Kasemann Reiner,DEX ; Schmidt Helmut,DEX ; Arpac Ertugrul,TRX ; Gerhard Volker,DEX ; Geiter Elisabeth,DEX ; Wagner Georg,DEX, Process for the production of compounds based on silanes containing epoxy groups.
Benthien,Thomas; Faber,Stefan; Jonschker,Gerhard; Sepeur,Stefan; Schmidt,Helmut; Stoessel,Philipp, Silane-based coating mass with a catalytic, oxidative and deodorizing effect.
Claus Richard O. ; Liu Yanjing, Transparent abrasion-resistant coatings, magnetic coatings, electrically and thermally conductive coatings, and UV absorbing coatings on solid substrates.
Kryzman, Michael A.; Zafiris, Georgios S.; Jaworowski, Mark R.; Zhang, Weilong; Panza-Giosa, Roque; Manzini, Marilea, Anti-corrosion and/or passivation compositions for metal-containing substrates and methods for making, enhancing, and applying the same.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.