JP2006161049A5

JP2006161049A5 -

Info

Publication number: JP2006161049A5
Application number: JP2005352303A
Authority: JP
Filing date: 2005-12-06
Publication date: 2006-11-30

Description

上述に関し、本開示は、１００℃で粘度が約８０から約１５０センチストークスの範囲である一番目のオレフィン潤滑剤と、１００℃で粘度が約２から約１５センチストークスの範囲である二番目のオレフィン潤滑剤を含む、ギアオイル潤滑剤組成物を提供する。一番目のオレフィン潤滑剤と二番目のオレフィン潤滑剤の比率は、約２：１から約８：１の範囲である。また当該組成物には、アルキル化ナフタレン基油、ホウ素化された無灰分散剤、少なくとも一つのヒンダードフェノール系酸化防止剤、少なくとも一つのアルキル化ジフェニルアミン酸化防止剤、およびギアオイル添加剤パッケージを含み得る。当該ギアオイル潤滑剤組成物は、潤滑剤組成物の合計重量に対し約０．１重量パーセント未満の酸化防止剤組成物を含むことが出来、そして約７００ｐｐｍ未満の活性リン含量と、約３重量％以下の活性硫黄含量を有することができる。 With respect to the foregoing, the present disclosure provides a first olefin lubricant having a viscosity in the range of about 80 to about 150 centistokes at 100 ° C. and a second having a viscosity in the range of about 2 to about 15 centistokes at 100 ° C. A gear oil lubricant composition comprising an olefin lubricant is provided. The ratio of the first olefin lubricant to the second olefin lubricant ranges from about 2: 1 to about 8: 1. The also the composition, alkylated naphthalene base oil, ashless dispersant is borated, at least one hindered phenol antioxidant, at least one alkylated diphenylamine antioxidant, and formic Aoiru additive package Can be included. The gear oil lubricant composition, the total weight with respect to antioxidant composition of less than about 0.1 weight percent of the lubricant composition can containing Mukoto, and an active phosphorus content of less than about 700 ppm, about 3 weight % Or less active sulfur content.

Claims

A first olefin lubricant having a viscosity in the range of 80 to 150 centistokes at 100 ° C .;
A second olefin lubricant having a viscosity in the range of 2 to 15 centistokes at 100 ° C. (where the ratio of the first olefin lubricant to the second olefin lubricant is in the range of 2: 1 to 8: 1 );
Alkylated naphthalene base oils;
Borated ashless dispersant;
At least one hindered phenol antioxidant composition antioxidants and comprising at least one alkylated diphenylamine antioxidant; and
A gear oil lubricant composition comprising formic Aoiru additive package, wherein the gear oil lubricant composition, comprising an antioxidant composition of less than 0.1% by weight relative to the total lubricant composition in-than, gear oil lubricant composition that have a active phosphorus content and active sulfur content of 3% by weight of less than 700 ppm.

A first olefin lubricant having a viscosity in the range of 80 to 150 centistokes at 100 ° C .;
A second olefin lubricant having a viscosity in the range of 2 to 15 centistokes at 100 ° C. (where the ratio of the first olefin lubricant to the second olefin lubricant is in the range of 2: 1 to 8: 1 );
Alkylated naphthalene base oils;
Borated ashless dispersant;
An antioxidant composition comprising at least one hindered phenolic antioxidant and at least one alkylated diphenylamine antioxidant; and a high load gear oil lubricant composition comprising a conventional gear oil additive package. A gear oil lubricant composition wherein the gear oil lubricant composition contains 100 to less than 400 ppm active amine based on the active nitrogen content of the lubricant composition.

A first olefin lubricant having a viscosity in the range of 80 to 150 centistokes at 100 ° C .;
A second olefin lubricant having a viscosity in the range of 2 to 15 centistokes at 100 ° C. (where the ratio of the first olefin lubricant to the second olefin lubricant is in the range of 2: 1 to 8: 1 );
Alkylated naphthalene base oils;
Borated ashless dispersant;
An antioxidant composition comprising at least one hindered phenolic antioxidant and at least one alkylated diphenylamine antioxidant; and a heat resistant gear oil lubricant composition comprising a conventional gear oil additive package. Thus, with respect to heat resistance, the lubricant composition exhibits a carbon varnish evaluation of 7.4 or higher and a sludge evaluation of 9.3 or higher after the L60-1 oxidation stability test for 300 hours. .

As a lubricant for drive shafts,
A first olefin lubricant having a viscosity in the range of 80 to 150 centistokes at 100 ° C .;
A second olefin lubricant having a viscosity in the range of 2 to 15 centistokes at 100 ° C. (where the ratio of the first olefin lubricant to the second olefin lubricant is in the range of 2: 1 to 8: 1 );
Alkylated naphthalene base oils;
Borated ashless dispersant;
Providing an antioxidant composition comprising at least one hindered phenolic antioxidant and at least one alkylated diphenylamine antioxidant; and providing a composition containing a conventional gear oil additive package A method of operating a vehicle including a drive shaft, wherein the lubricant composition has a viscosity increase of less than 100%, a carbon varnish rating of 7.4 or higher, and sludge in a 300 hour L60-1 oxidation stability test. Method of operation showing an oxidative stability of rating 9.3 or better.