40.
    发明专利
    未知

    公开(公告)号:AT87028T

    公开(公告)日:1993-04-15

    申请号:AT88901182

    申请日:1987-12-04

    Applicant: LUBRIZOL CORP

    Abstract: Lubricating and functional fluid compositions are described which comprise at least one oil of lubricating viscosity and an extreme-pressure and friction-modifying amount of (A) at least one phosphite ester characterized by the formula (I) wherein R1 is a straight-chain hydrocarbyl group and R2 is a branched-chain hydrocarbyl group. The invention also relates to compositions which comprise the combination of such phosphite esters as represented by Formula I and various sulfur-containing compositions. The compositions comprising said combinations also are useful in lubricating and functional fluid compositions including lubricating oils and greases. Aqueous systems containing the phosphite esters represented by Formula I as well as combinations of phosphite esters with sulfur-containing compositions also are described.

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