[특허]Lubricant composition having improved antiwear properties

Lubricant composition having improved antiwear properties 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C10M-145/04 C10M-145/24
출원번호	US-0182116 (2011-07-13)
등록번호	US-8802606 (2014-08-12)
발명자 / 주소	Rabbat, Philippe Marc Andre Fenton, Ryan James Chasan, David Eliezer DeSantis, Kevin J. Hoey, Michael Scanlon, Eugene
출원인 / 주소	BASF SE
대리인 / 주소	Howard & Howard Attorneys PLLC
인용정보	피인용 횟수 : 0 인용 특허 : 81

초록 ▼

The instant invention provides a lubricant composition having improved four-ball antiwear properties. The lubricant composition includes a base oil and one or more alkylethercarboxylic acid corrosion inhibitor(s) having the formula: wherein R is a straight or branched chain C6-C18 alkyl group and n is a number of from 0 to 5. The lubricant composition also includes an ashless antiwear additive including phosphorous. The four-ball antiwear properties are reported as an average diameter of wear scars pursuant to ASTM D4172. The average diameter of the wear scars resulting from the lubricant composition are at least 5% smaller than the average diameter of the wear scars resulting from a standard that includes the base oil and the antiwear additive and that is free of the one or more alkylethercarboxylic acid corrosion inhibitor(s).

대표청구항 ▼

1. A lubricant composition free of water, having improved four-ball antiwear properties, and comprising: a base oil present in an amount of greater than 85 parts by weight per 100 parts by weight of said lubricant composition;one or more alkylethercarboxylic acid corrosion inhibitor(s) having the formula; wherein R is a straight or branched chain C6-C18 alkyl group and n is a number of from about 2 to about 3 ; andan ashless antiwear additive comprising phosphorous,wherein the four-ball antiwear properties are reported as an average diameter of wear scars pursuant to ASTM D417,wherein the average diameter of the wear scars are at least 5% smaller than the average diameter of the wear scars resulting from a standard that comprises said base oil and said ashless antiwear additive and that is free of said one or more alkylethercarboxylic acid corrosion inhibitor(s),wherein said lubricant composition comprises from 0.01 to less than 0.1 weight percent of said one or more alkylethercarboxylic acid corrosion inhibitor(s); andwherein said lubricant composition further comprises an antioxidant. 2. A lubricant composition as set forth in claim 1 wherein said corrosion inhibitor is present in an amount of from 0.03 to less than 0.1 weight percent based on a total weight percent of said lubricant composition. 3. A lubricant composition as set forth in claim 2 wherein said antiwear additive is present in an amount of from 0.01 to 0.05 weight percent based on a total weight percent of said lubricant composition. 4. A lubricant composition as set forth in claim 3 wherein said base oil comprises one or more customary additives and is present in an amount of at least 99.9 weight percent based on a total weight of said lubricant composition. 5. A lubricant composition as set forth in claim 4 wherein R comprises a C12 alkyl group and n is about 3. 6. A lubricant composition as set forth in claim 5 wherein the average diameter of the wear scars resulting from said lubricant composition are at least 10% smaller than the average diameter of the wear scars resulting from the standard. 7. A lubricant composition as set forth in claim 5 wherein the average diameter of the wear scars resulting from said lubricant composition are at least 20% smaller than the average diameter of the wear scars resulting from the standard. 8. A lubricant composition as set forth in claim 5 wherein the average diameter of the wear scars resulting from said lubricant composition are at least 50% smaller than the average diameter of the wear scars resulting from the standard. 9. A lubricant composition as set forth in claim 1 wherein R comprises a C12 alkyl group and n is about 3. 10. A lubricant composition as set forth in claim 1 having a FZG Scuffing Load Capacity of at least 12 as measured pursuant to ASTM D5182. 11. A lubricant composition as set forth in claim 1 wherein said corrosion inhibitor is present in an amount of from 0.01 to 0.05 weight percent based on a total weight percent of said lubricant composition, wherein said antiwear additive is present in an amount of from 0.01 to 0.05 weight percent based on a total weight percent of said lubricant composition, wherein said base oil comprises one or more customary additives and is present in an amount of at least 99.9 weight percent based on a total weight of said lubricant composition, and wherein the average diameter of the wear scars resulting from said lubricant composition are at least 10% smaller than the average diameter of the wear scars resulting from the standard, wherein R comprises a C12 alkyl group and n is about 3. 12. A method of forming the lubricant composition as set forth in claim 1 comprising the steps of combining the base oil, the one or more alkylethercarboxylic acid corrosion inhibitor(s), the ashless antiwear additive, and the antioxidant. 13. A method of reducing wear of a metal using a lubricant composition free of water and comprising a base oil present in an amount of greater than 85 parts by weight per 100 parts by weight of said lubricant composition, one or more alkylethercarboxylic acid corrosion inhibitor(s) having the formula: wherein R is a straight or branched chain C6-C18 alkyl group and n is a number of from about 2 to about 3, and an ashless antiwear additive comprising phosphorous, said method comprising the steps of:A. providing the metal; andB. applying the lubricant composition to the metal;wherein the metal has four-ball antiwear properties reported as an average diameter of wear scars pursuant to ASTM D4172,wherein the average diameter of the wear scars produced after applying the lubricant composition to the metal are at least 5% smaller than the average diameter of the wear scars produced after applying a standard to the metal, wherein the standard comprises the base oil and the antiwear additive and is free of the one or more alkylethercarboxylic acid corrosion inhibitor(s),wherein the lubricant composition comprises from 0.01 to less than 0.1 weight percent of the one or more alkylethercarboxylic acid corrosion inhibitor(s); andwherein the lubricant composition further comprises an antioxidant. 14. A method as set forth in claim 13 wherein the corrosion inhibitor is present in an amount of from 0.03 to less than 0.1 weight percent based on a total weight percent of the lubricant composition. 15. A method as set forth in claim 14 wherein the antiwear additive is present in an amount of from 0.01 to 0.05 weight percent based on a total weight percent of the lubricant composition. 16. A method as set forth in claim 15 wherein the base oil comprises one or more customary additives and is present in an amount of at least 99.9 weight percent based on a total weight of the lubricant composition. 17. A method as set forth in claim 16 wherein R comprises a C12 alkyl group and n is about 3. 18. A method as set forth in claim 17 wherein the average diameter of the wear scars resulting from applying the lubricant composition are at least 10% smaller than the average diameter of the wear scars resulting from applying the standard. 19. A method as set forth in claim 17 wherein the average diameter of the wear scars resulting from applying the lubricant composition are at least 20% smaller than the average diameter of the wear scars resulting from applying the standard. 20. A method as set forth in claim 17 wherein the average diameter of the wear scars resulting from applying the lubricant composition are at least 50% smaller than the average diameter of the wear scars resulting from applying the standard. 21. A method as set forth in claim 13 wherein R comprises a C12 alkyl group and n is about 3. 22. A method as set forth in claim 13 wherein the lubricant composition has a FZG Scuffing Load Capacity of at least 12 as measured pursuant to ASTM D5182. 23. A method as set forth in claim 13 wherein the corrosion inhibitor is present in the lubricant composition in an amount of from 0.03 to 0.05 weight percent based on a total weight percent of the lubricant composition, wherein the antiwear additive is present in the lubricant composition in an amount of from 0.01 to 0.05 weight percent based on a total weight percent of the lubricant composition, wherein the base oil comprises one or more customary additives and is present in the lubricant composition in an amount of at least 99.9 weight percent based on a total weight of the lubricant composition, wherein the average diameter of the wear scars resulting from applying the lubricant composition are at least 10% smaller than the average diameter of the wear scars resulting from applying the standard, and wherein R comprises a C12 alkyl group and n is about 3. 24. A lubricant composition as set forth in claim 1 wherein said one or more alkylethercarboxylic acid corrosion inhibitor(s) are present in an amount of from 0.01 to 0.07 weight percent based on a total weight of said lubricant composition. 25. A method as set forth in claim 13 wherein the one or more alkylethercarboxylic acid corrosion inhibitor(s) are present in an amount of from 0.01 to 0.07 weight percent based on a total weight of the lubricant composition. 26. A lubricant composition as set forth in claim 24 wherein n is 3. 27. A method as set forth in claim 25 wherein n is 3.

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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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Lubricant composition having improved antiwear properties 원문보기

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