Borated reaction products of succinic compounds as lubricant dispersants and antioxidants
First Claim
1. A product of reaction made by (a) reacting an alkenylsuccinic compound with an amine of the formula
wherein Ar and Ar1 may be the same or different aromatic groups having from 6 to about 50 carbon atoms followed by (b) reacting the product of (a) with an alkanolamine of the formula
space="preserve" listing-type="equation">(HOR.sup.3).sub.x N(H).sub.ywherein R3 is an alkylene group having 1 to about 6 carbon atoms, x is 1 to about 3 and y is 0 to about 2, their sum being 3 and (c) thereafter boronating the product of (b) with a compound of the formula
space="preserve" listing-type="equation">(RO).sub.p (B0.sub.2).sub.q ZrYwherein R, Y and Z are hydrogen or alkyl groups of from 1 to about 6 carbon atoms, p and r are 0 to 2 and q is 1 to 3.
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Abstract
Borated reaction products of alkenyl succinic compounds, aryl amines and aminoalcohols are highly effective dispersant and antioxidant/anticorrosion additives for lubricant compositions.
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Citations
21 Claims
- 1. A product of reaction made by (a) reacting an alkenylsuccinic compound with an amine of the formula
- space="preserve" listing-type="equation">ArNHAr.sup.1
wherein Ar and Ar1 may be the same or different aromatic groups having from 6 to about 50 carbon atoms followed by (b) reacting the product of (a) with an alkanolamine of the formula
space="preserve" listing-type="equation">(HOR.sup.3).sub.x N(H).sub.ywherein R3 is an alkylene group having 1 to about 6 carbon atoms, x is 1 to about 3 and y is 0 to about 2, their sum being 3 and (c) thereafter boronating the product of (b) with a compound of the formula
space="preserve" listing-type="equation">(RO).sub.p (B0.sub.2).sub.q ZrYwherein R, Y and Z are hydrogen or alkyl groups of from 1 to about 6 carbon atoms, p and r are 0 to 2 and q is 1 to 3. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- 9. A lubricant composition comprising a major proportion of a lubricating oil or grease made therefrom and a minor dispersant and/or antioxidant/anticorrosion amount of from about 0.05 to about 15% by weight of the composition of a product of reaction made by (a) reacting an alkenylsuccinic compound with an amine of the formula
- space="preserve" listing-type="equation">ArNHAr.sup.1
wherein Ar and Ar1 may be the same or different aromatic group having 6 to 50 carbon atoms and Ar and Ar1 may each separately have C1 to C44 aliphatic group substituted thereof, the reaction being carried out at from about 50°
C. to about 250°
C. using from about 0.1 to about 1.0 mole of said amine per mole of acid or anhydride, followed by (b) reacting the product of (a) with a compound selected from the group consisting of an alkanolamine of the formula
space="preserve" listing-type="equation">(HOR.sup.3).sub.x N(H).sub.ywherein R3 is an alkylene group having 1 to 6 carbon atoms, x is 1 to 3 and y is 0 to 2, their sum being 3, and thereafter boronating the resultant product with a compound of the formula
space="preserve" listing-type="equation">(RO).sub.p (BO.sub.2).sub.q ZrYwherein R, Y and Z are hydrogen or alkyl groups of from 1 to about 6 carbon atoms, p and r are 0 to 2 and q is 1 to 3, the reaction in (b) being carried out at from about 100°
C. to about 300°
C. using from about 0.1 mole to about 1.2 mole of amine reactant per mole of acid or anhydride used in (a).- View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21)
Specification
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- Resources
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Current AssigneeMobil Oil Corporation (Exxon Mobil Corporation)
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Original AssigneeMobil Oil Corporation (Exxon Mobil Corporation)
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InventorsAshjian, Henry, Andress, Harry J. Jr.
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Primary Examiner(s)Howard, Jacqueline V.
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Application NumberUS06/890,680Time in Patent Office237 DaysField of Search252/49.6, 252/51.5 A, 252/403, 548/405US Class Current508/194CPC Class CodesC10M 133/52 having a carbon chain of 30...C10M 2227/061 Esters derived from boron
