CN101186858A

CN101186858A - Lubricant compositions

Info

Publication number: CN101186858A
Application number: CNA2007101364753A
Authority: CN
Inventors: M·T·德夫林; T·-C·姚
Original assignee: Afton Chemical Corp
Current assignee: Afton Chemical Corp
Priority date: 2006-11-22
Filing date: 2007-07-16
Publication date: 2008-05-28
Also published as: US20080119377A1; GB2474987B; GB2474986A; GB201102256D0; JP2008127563A; GB2474987A; GB201102255D0; GB2474985B; GB2474986B; GB2475191B; FR2908783A1; GB0711556D0; GB201102254D0; DE102007027345A1; GB2475191A; GB2444131A; GB201102253D0; GB2444131B; GB2474985A

Abstract

The lubricant compositions of the present disclosure comprises a base oil and an additive composition comprising, for example, a detergent and an additive chosen from a phosphorus-containing compound, a friction modifier, and a dispersant, wherein the additive composition exhibits at least one of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the detergent and the additive. As a further example, the additive composition can comprise a friction modifier and a dispersant, wherein the additive composition exhibits at least one of reduced thin-film friction and increased fuel efficiency as compared to an additive composition that is devoid of the friction modifier and the dispersant. Methods of using the additive and lubricant compositions are also disclosed.

Description

Lubricant compositions

Technical field

[0001] disclosure relates to the lubricant compositions that comprises base oil and compositions of additives, described compositions of additives comprises, for example, and washing composition and the additive that is selected from P contained compound, friction modifiers and dispersion agent, and for example, the additive of friction modifiers and dispersion agent.The method of public use additive and lubricant compositions also.

Background technology

[0002] in the last few years, more and more wish the lubricating component of production high energy efficiency.In addition, the specification of modern engine oil needs lubricant to come fuel efficiency in the validation criteria testing of engine.The thickness of known lubricants film and rubbing characteristics can influence the fuel efficiency performance of cylinder oil and gear oil and so on.When the film friction reduces, just obtain higher fuel efficiency.Film friction is the friction that fluid produced of lubricant of promoting between 2 surfaces and so on, and wherein the spacing between 2 surfaces is very narrow.Know that be present in the film of the different additive formation different thickness in the lubricant compound usually, this can influence the film friction.Some additive of known zinc dialkyl dithiophosphate (ZDDP) and so on when adding base oil, can increase the film friction.In order to protect engine and gear, require to have this class additive in the lubricant, but the increase of film friction can reduce fuel efficiency.

[0003] in addition, also known some additive is very expensive.In addition, for manufacturing side, in lubricant compositions, use additional additive also quite expensive for reducing the film friction.

[0004] neededly is cheap and the lubricant of one of following properties at least can be provided: the film friction that reduces and the fuel efficiency of raising.

Summary of the invention

[0005] according to the disclosure, to openly comprise washing composition and the compositions of additives that is selected from the additive of P contained compound, friction modifiers and dispersion agent, wherein said compositions of additives, compare with the compositions of additives that does not have washing composition and additive, demonstrate one of following properties at least: the film friction that reduces and the fuel efficiency of raising.

[0006] according to another aspect, the compositions of additives that comprises friction modifiers and dispersion agent is disclosed, wherein said compositions of additives, compare with the compositions of additives that does not have friction modifiers and dispersion agent, demonstrate one of following properties at least: the film friction that reduces and the fuel efficiency of raising.

[0007] according to another aspect, the method that reduces fluidic film friction between the surface is disclosed, comprise to fluid and supply with the lubricant compositions that comprises base oil and compositions of additives, described compositions of additives comprises washing composition and is selected from the additive of P contained compound, friction modifiers and dispersion agent.

[0008] in addition, also disclose the method that reduces fluidic film friction between the surface, comprised to fluid and supply with the lubricant compositions that comprises base oil and compositions of additives, described compositions of additives comprises friction modifiers and dispersion agent.

[0009] also will openly improve the method for vehicle fuel efficiency, comprise to vehicle and supply with the composition that comprises base oil and compositions of additives, described compositions of additives comprises washing composition and is selected from the additive of P contained compound, friction modifiers and dispersion agent.

[0010] in all fields in, the method that improves the vehicle fuel efficiency is disclosed, comprise to vehicle and supply with the composition that comprises base oil and compositions of additives, described compositions of additives comprises friction modifiers and dispersion agent.

[0011] other advantage of these embodiments proposes part in the following description, and can realize by putting into practice the disclosure.These advantages will be achieved by key element and the combination thereof that particularly points out in the claims.

[0011] should be understood that above general introduction and following detailed description all are of the present disclosure giving an example and explanation, and unrestricted, as described in.

Specifically, the present invention comprises following content:

1. the compositions of additives that comprises following component:

Washing composition; With

Be selected from the additive of P contained compound, friction modifiers and dispersion agent;

Wherein said compositions of additives is compared with the compositions of additives that does not have described washing composition and described additive, demonstrates one of following properties at least: the film friction that reduces and the fuel efficiency of raising.

2. above-mentioned 1 compositions of additives, wherein P contained compound is containing metal, P contained compound.

3. above-mentioned 2 compositions of additives, wherein containing metal, P contained compound are dialkyl phosphorodithioic acid metal-salts.

4. above-mentioned 3 compositions of additives, wherein dialkyl phosphorodithioic acid metal-salt is a zinc dialkyl dithiophosphate.

5. above-mentioned 1 compositions of additives, wherein P contained compound is sulfur-bearing, P contained compound.

6. above-mentioned 5 compositions of additives, wherein sulfur-bearing, P contained compound are selected from the salt of thiophosphatephosphorothioate, phosphorodithioate, sulfur-bearing neopentyl glycol phosphite and sulfur-bearing neopentyl glycol phosphite.

7. above-mentioned 1 compositions of additives, wherein friction modifiers is at least a following compounds: non--nitrogenous compound, nitrogenous compound and contain grey compound.

8. above-mentioned 7 compositions of additives, wherein non--nitrogenous compound is a polyol ester.

9. above-mentioned 8 compositions of additives, wherein polyol ester is selected from XU 61518.10 and glyceryl monolaurate.

10. above-mentioned 7 compositions of additives, wherein nitrogenous compound is the long-chain alkylene amines.

11. above-mentioned 10 compositions of additives, wherein the long-chain alkylene amines is selected from N-oil base-trimethylene diamines, N-tallow-trimethylene diamines, cocounut oil-trimethylene diamines and their mixture.

12. above-mentioned 7 compositions of additives, wherein nitrogenous compound is a diethanolamine.

13. above-mentioned 7 compositions of additives, wherein containing grey compound is the molybdate compound that comprises sulphur.

14. above-mentioned 11 compositions of additives, wherein molybdate compound is selected from carboxylic acid molybdenum, amino molybdenum, thiophosphoric acid molybdenum, thiocarbamate molybdenum and their mixture.

15. above-mentioned 1 compositions of additives, wherein dispersion agent is at least a in the following material: succinimide, boracic succinimide, Mannich dispersant, functionalized olefin copolymers and poly-(methyl) acrylate copolymer.

16. above-mentioned 15 compositions of additives, wherein dispersion agent is the amine of the high graft functionalized ethylene-propylene copolymer of deriving.

17. comprise the lubricant compositions of following component:

Most of base oil; With

The compositions of additives of small portion above-mentioned 1.

18. use according to above-mentioned 17 lubricant compositions lubricated engine, variator or gear unit.

19. the method for lubrication machine comprises and supplies with above-mentioned 17 lubricant compositions to machine.

20. above-mentioned 19 method, wherein said machine is a gear.

21. above-mentioned 19 method, wherein said machine is an engine.

22. comprise the compositions of additives of following component:

Friction modifiers; With

Dispersion agent;

Wherein said compositions of additives is compared with the compositions of additives that does not have described friction modifiers and described dispersion agent, demonstrates one of following properties at least: the film friction of reduction and the fuel efficiency of raising.

23. above-mentioned 22 compositions of additives, wherein friction modifiers is at least a following compounds: non--nitrogenous compound, nitrogenous compound and contain grey compound.

24. above-mentioned 22 compositions of additives, wherein dispersion agent is at least a following material: succinimide, boracic succinimide, Mannich dispersant, functionalized olefin copolymers and poly-(methyl) acrylate copolymer.

25. comprise the lubricant compositions of following component:

Most of base oil; With

The compositions of additives of small portion above-mentioned 22.

26. use according to above-mentioned 25 lubricant compositions lubricated engine, variator or gear unit.

27. the method for lubrication machine comprises to machine and supplies with lubricant compositions according to above-mentioned 25.

28. above-mentioned 27 method, wherein said machine is a gear.

29. above-mentioned 27 method, wherein said machine is an engine.

30. reduce the method for fluidic film friction between the surface, comprise:

Supply with the lubricant compositions that comprises following component to fluid:

Base oil; With

The compositions of additives that comprises following component:

Washing composition; With

Be selected from the additive of P contained compound, friction modifiers and dispersion agent.

31. reduce the method for fluidic film friction between the surface, comprise:

Base oil; With

The compositions of additives that comprises friction modifiers and dispersion agent.

32. improve the method for vehicle fuel efficiency, comprise:

Supply with the composition that comprises following component to vehicle:

Base oil; With

Comprise washing composition and the compositions of additives that is selected from the additive of P contained compound, friction modifiers and dispersion agent.

33. improve the method for vehicle fuel efficiency, comprise:

Supply with the composition that comprises following component to vehicle:

Base oil; With

Embodiment

[0013] disclosure relates to the lubricant compositions that comprises most of base oil and small portion compositions of additives, described compositions of additives comprises washing composition and is selected from the additive of P contained compound, friction modifiers and dispersion agent, wherein said compositions of additives, compare with the compositions of additives that does not have washing composition and additive, demonstrate one of following properties at least: the film friction that reduces and the fuel efficiency of raising.In one aspect, this compositions of additives can comprise friction modifiers and dispersion agent.

[0014] base oil can be present in the lubricant compositions with any aequum or significant quantity.For example, base oil can exist with the major part amount." most of amount " is interpreted as 50 weight % more than or equal to composition total weight.And for example, the amount of base oil can be more than or equal to 80 weight % of composition total weight, more for example, and more than or equal to 90 weight %.

[0015] base oil that is applicable to prescription disclosure lubricant compositions can be selected from any synthetic or mineral oil or their mixture.Mineral oil comprises animal oil and vegetables oil (as Viscotrol C, lard) and other mineral lubricating oils, crosses or the mineral lubricating oils of paraffin wax type, cycloalkanes type or the paraffin-cycloalkanes mixed type of acid treatment as liquid petroleum with through solvent treatment.Oil derived from coal or shale also is suitable for.Further, the oil derived from the solution-air method also can be suitable for.

[0016] non-limiting example of synthetic oil comprises hydrocarbon ils, as the alkene (as polybutene, polypropylene, propylene/isobutylene copolymers etc.) of polymerization or copolymerization; Poly-alpha olefins (as poly-1-hexene, poly-1-octene, poly-1-decene etc., and their mixture); Alkylbenzene (as dodecylbenzene, tetradecyl benzene, two-nonyl benzene, two-(2-ethylhexyl) benzene etc.); Polyphenyl (as biphenyl, terphenyl, alkylation polyphenyl etc.); Alkylation phenyl ether and alkylation diphenyl sulfide and their derivative, analogs and homologue or the like.

[0017] therefore, the base oil that can be used for making composition as herein described can be selected from any base oil in the I-IV group of defined in american petroleum institute (API) the base oil interchangeableness guide.This class base oil group is as follows:

[0018] group I contain less than 90% saturates and/or greater than 0.03% sulphur and viscosity index more than or equal to 80 less than 120; Group II contain more than or equal to 90% saturates and be less than or equal to 0.03% sulphur and viscosity index more than or equal to 80 less than 120; Group III contains more than or equal to 90% saturates and is less than or equal to 0.03% sulphur and viscosity index more than or equal to 120; And group IV is poly-alpha olefins (PAO).

[0019] is used for determining that test method of above each group is as follows: determine saturates with ASTM D2007, determine viscosity index and with ASTM D2622,4294, one of 4927 and 3120 definite sulphur with ASTM D2270.

[0020] basic raw material of group IV, promptly poly-alpha olefins (PAO) comprises the hydrogenated oligomer body of alpha-olefin, most important oligomerisation method is free radical method, Ziegler catalysis and positively charged ion Friedel-Crafts catalysis.

[0021] poly-alpha olefins is generally about 2～about 100cSt 100 ℃ viscosity, for example, is about 4～about 8cSt at 100 ℃.They can be, for example, contain the about 2～branching of about 30 carbon atoms or the oligomer of linear alpha-olefin, and non-limiting example comprises polypropylene, polyisobutene, poly-1-butylene, poly--the 1-hexene, poly--1-octene and poly-1-decene.Comprise homopolymer, interpolymer and mixture.

[0022] basic raw material that is applicable to this can include, but not limited to distill with the preparation of multiple different methods, solvent treatment, refining of petroleum, the oligomerisation of application hydrogen and the method for re-refining.

[0023] base oil can be the oil derived from the synthetic hydrocarbon of Fischer-Tropsch.The synthetic hydrocarbon of Fischer-Tropsch can be with the Fischer-Tropsch catalyzer from containing H ₂Make with the synthesis gas of CO.This class hydrocarbon generally all needs further processing just can become useful base oil.For example, hydrocarbon can be used disclosed method hydroisomerization in the U.S. patent No. 6,103,099 or 6,180,575; With the U.S. patent No. 4,943,672 or 6,096, disclosed method hydrocracking and hydroisomerization in 940; With disclosed method dewaxing in the U.S. patent No. 5,882,505; Or with the U.S. patent No. 6,013,171,6,080, disclosed method hydroisomerization and dewaxing in 301 or 6,165,949.

[0024] not refining, the refining and rerefined oils of above disclosed this class no matter be mineral oil or synthetic oil (and wherein any 2 kinds or multiple mixture), can both be used for base oil.Unrefined oil is directly to obtain and be not further purified those of processing from mineral or synthetic source.For example, the shale oil that directly obtains, the oil that directly obtains from primary distillation and directly obtain and all be unrefined oil without further handling the ester oil that just uses from esterification process from the retorting operation.Treated oil and unrefined oil are similar, but their further processing of process in one or more purification steps, purpose is to improve one or multinomial performance.Many these class purification techniques are well known by persons skilled in the art, as solvent extraction, second distillation, acid or alkali extraction, filtration, diafiltration etc.Those methods of the treated oil of used treated oil obtain treated oil in order to obtain being applied to being similar to.This class treated oil also is called recovered oil or reprocessed oils, and usually further processes with the technology that is intended to directly to remove excessive additive, pollutent and oil breaking product.

[0025] some can use the specified property that they have in these base oils, as biodegradable, high-temperature stability or flame retardant resistance.In other composition, for buying easily or reducing cost, the preferred base oil of other type.Therefore the skilled manpower will recognize: though multiclass base oil discussed above all can be used for lubricant compositions of the present invention, they may not be each other equivalent bodies in every kind of application.

[0026] in one aspect in, the washing composition that is applicable to disclosure compositions of additives can be a metal detergent.The metal detergent that is suitable for can comprise the oil soluble neutrality or the high alkalinity salt of the following acidic substance of alkali or alkaline-earth metal and one or more (or their mixture): (1) sulfonic acid, (2) carboxylic acid, (3) Whitfield's ointment, (4) alkylphenol, (5) sulfenyl phenolate and (6) are the organic phosphoric acid of feature with at least one direct C.This organophosphorus acid can comprise those that usefulness phosphorization agent such as phosphorus trichloride, phosphorus heptasulfide, thiophosphoric anhydride, tri-chlorination p and s, white phosphorus and halogenation sulphur or thiophosphoric acid chloride treatment olefin polymer (as the polyisobutene of molecular weight about 1,000) are made.

[0027] term that links to each other with metal detergent " high alkalinity " is used to refer to the metal-salt to exist greater than the amount of organic free radical on the stoichiometry of metal wherein.The common method of making high alkalinity salt relates to and adds hot acid and surpass stoichiometric metal neutralizing agent under about 50 ℃ temperature, as the mineral oil solution of metal oxide, oxyhydroxide, carbonic ether, two carbonic ethers or sulfide, filters the product of gained then.It also is known helping to add big excess metal with " promotor " in neutralization procedure.Be applicable to that the example of making promoter compound comprises the phenolic aldehyde material, as the condensation product of phenol, naphthols, alkylphenol, thiophenol, sulfenyl phenolate and formaldehyde and phenolic aldehyde material; Alcohol is as methyl alcohol, 2-propyl alcohol, octanol, cellosolvo, diethylene glycol monoethyl ether, ethylene glycol, stearyl alcohol and hexalin; And amine, as aniline, Ursol D, thiodiphenylamine, Phenyl beta naphthylamine and lauryl amine.Making the special effective means of basic salt is included in as mixing acid under 60 ℃～200 ℃ the high temperature and excessive basic alkaline earth metal neutralizing agent and at least a pure promotor.

[0028] example of the containing metal washing composition of Shi Yonging comprises, but be not limited to, as the neutrality and the high alkalinity salt of following material: neutral sodium sulfonate, high alkaline azochlorosulfonate acid sodium, carboxylic acid sodium, sodium salicylate, sodium phenylate, the sulfuration sodium phenylate, the sulfonic acid lithium, the carboxylic acid lithium, lithium salicylate, the phenol lithium, sulfuration phenol lithium, calcium sulphonate, calcium carboxylates, calcium salicylate, calcium phenylate, the sulfuration calcium phenylate, sulfonic acid magnesium, magnesium carboxylates, magnesium salicylate, phenol magnesium, sulfuration phenol magnesium, potassium sulfonate, carboxylic acid potassium, potassium salicylate, potassium phenylate, the sulfuration potassium phenylate, sulfonic acid zinc, zinc carboxylate, zinc salicylate, phenol zinc and sulfuration phenol zinc.Other example comprises the hydrolysis phosphorus olefine sulfide that contains about 10～about 2,000 carbon atoms or contains the hydrolysis phosphorus sulfurized alcohol of about 10 about 2,000 carbon atoms and/or calcium, lithium, sodium, potassium and the magnesium salts of aliphatic substituted phenol aldehyde cpd.Also have other example to comprise that aliphatic carboxylic acid and aliphatic series replace calcium, lithium, sodium, potassium and magnesium salts and oil soluble organic acid many other similar an alkali metal salt and alkaline earth salts of ring grease carboxylic acid.Can be with 2 kinds or the neutrality of multiple Different Alkali and/or alkaline-earth metal or the mixture of high alkalinity salt.Equally, also can be with the neutrality and/or the high alkalinity salt of the mixture of 2 kinds or multiple different acid.

[0029] as everyone knows, the high alkalinity metal washing composition generally is seen as and contains high alkali number mineral alkali, generally is a differential prose style free from parallelism or colloidal suspension shape.Therefore, term " oil soluble " is when being used for metal detergent, be intended to comprise the washing composition that mineral alkali wherein may not exist with proper complete or real oil soluble, because when washing composition mixes with base oil, its behavior resembles them and is dissolved in the oil fully very much.Say that generally the various metal detergents of the above indication of this paper are sometimes referred to as neutrality, alkalescence or overbasic alkali metal containing or alkaline-earth metal organic acid salt.

[0030] it is well-known to those skilled in the art forming oil soluble method neutral and high alkalinity metal washing composition and alkaline including earth metal washing composition, and extensively is reported in the patent documentation, see, for example, the U.S patent No. 2,001,108; 2,081,075; 2,095,538; 2,144,078; 2,163,622; 2,270,183; 2,292,205; 2,335,017; 2,399,877; 2,416,281; 2,451,345; 2,451,346; 2,485,861; 2,501,731; 2,501,732; 2,585,520; 2,671,758; 2,616,904; 2,616,905; 2,616,906; 2,616,911; 2,616,924; 2,616,925; 2,617,049; 2,695,910; 3,178,368; 3,367,867; 3,496,105; 3,629,109; 3,865,737; 3,907,691; 4,100,085; 4,129,589; 4,137,184; 4,184,740; 4,212,752; 4,617,135; 4,647,387; With 4,880,550.

[0031] if desired, used metal detergent can be neutral and/or overbasic alkali metal containing or an alkaline-earth metal washing composition of oil soluble boracic among the present invention.The method of making the boracic metal detergent is described in, for example, and the U.S. patent No. 3,480,548; 3,679,584; 3,829,381; 3,909,691; 4,965,003; With 4,965, in 004.

[0032] washing composition can any aequum or significant quantity be present in the lubricant compositions.In one aspect, LubricantComposition can account for LubricantAbout 0.01～about 0.8 weight the % of composition total weight, for example, about 0.05～about 0.6 weight %, and for example, about 0.09～about 0.4 weight %.In one aspect, AdditiveComposition can account for AdditiveAbout 0.06～about 5 weight % of composition total weight, for example, about 0.3～about 3.6 weight %, and for example, about 0.54～about 2.38 weight %.But, person of skill in the art will appreciate that and can use any amount.

[0033] disclosed compositions of additives can comprise P contained compound.In one aspect, P contained compound can be containing metal, P contained compound.For example, containing metal, P contained compound can be dialkyl phosphorodithioic acid metal-salts.Metal in dialkyl phosphorodithioic acid metal-salt can be basic metal or alkaline-earth metal, or aluminium, lead, tin, molybdenum, manganese, nickel and copper.Can use zinc salt, for example, zinc dialkyl dithiophosphate.

[0034] dialkyl phosphorodithioic acid metal-salt can be made as follows by currently known methods: at first, and often by one or more alcohol or phenol and P ₂S ₅Reaction generates dialkyl phosphorodithioic acid (DDPA), uses in the zn cpds then and established DDPA.For example, the dithio bisphosphate can be reacted by the mixture of primary alconol and secondary alcohol and make.Perhaps, can make the multiple phosphorodithioic acid that comprises full property second month in a season alkyl and full uncle's property alkyl simultaneously.For making zinc salt, can be with any alkalescence or neutral zn cpds, but general the most frequently used oxide compound, oxyhydroxide and carbonic ether.

[0035] the dialkyl zinc dithiophosphate can be the oil soluble salt of dialkyl phosphorodithioic acid, and can represent with following formula: [(RO) (R ¹O) P (S)] ₂Zn, wherein R and R ¹Can be identical or different alkyl, contain about 1～about 18 carbon atoms, for example, about 2～about 12 carbon atoms, and comprise as alkyl, alkenyl, aralkyl, alkaryl and cycloaliphatic radical.In one aspect, R and R ¹Base can be the alkyl that contains about 2～about 8 carbon atoms.Therefore, free radical can be, for example, ethyl, n-propyl, sec.-propyl, normal-butyl, isobutyl-, sec-butyl, amyl group, n-hexyl, isohexyl, n-octyl, decyl, dodecyl, octadecyl, 2-ethylhexyl, phenyl, butylbenzene base, cyclohexyl, methylcyclopentyl, propenyl and butenyl.In order to obtain oil soluble, R and R in the phosphorodithioic acid ¹The total number of carbon atoms in the base generally can be equal to or greater than 5.Therefore, the dialkyl zinc dithiophosphate can comprise zinc dialkyl dithiophosphate.

[0036] in addition, P contained compound can comprise the oil soluble amine salt of phosphoric acid ester, as the U.S. patent No. 5,354,484 and 5,763, and those described in 372, its disclosure is drawn in this for reference; Reaction product with Dicyclopentadiene (DCPD) and phosphonothionic acid.

[0037] amine salt of phosphoric acid ester can be by making phosphoric acid ester and ammonia or basic nitrogen compound, as amine, reacts and make.Salt can generate separately, can add compositions of additives to the salt of phosphoric acid ester then.

[0038] be applicable to that the phosphoric acid ester for preparing amine salt of the present invention can be feature with the following formula:

R wherein ¹Can be hydrogen or alkyl, R ²Can be alkyl, and 2 X bases can be O or S.

[0039] the preparation typical method of composition that contains (I) comprises that to make at least a general formula be that oxy-compound and the general formula of ROH is P ₂X ₅Phosphorus compound react, wherein R can be that alkyl and X can be O or S.Thus obtained P contained compound can be the mixture of phosphorus compound, and generally be singly-or the phosphoric acid of two-alkyl replacement and/or the mixture of phosphorodithioic acid, depend on that the phosphorus reaction thing (is P ₂O ₅Or P ₂S ₅) selection.

[0040] used oxy-compound can be a feature with general formula R OH in preparation phosphoric acid ester of the present disclosure, and wherein R can be an alkyl.Can comprise the mixture that general formula is the oxy-compound of ROH with the oxy-compound of phosphorus compound reaction, wherein alkyl R can contain about 1～about 30 carbon atoms.But must satisfy: the amine salt of the replacement phosphoric acid ester of finally making can be dissolved in lubricating composition of the present disclosure.The R base generally contains at least about 2 carbon atoms, typically, and about 3～about 30 carbon atoms.

[0041] the R base can be aliphatic group or aromatic hydrocarbyl, as alkyl, aryl, alkaryl, aralkyl and alicyclic hydrocarbon radical.General formula is that the non-limiting example of the suitable oxy-compound of ROH comprises, for example, ethanol, Virahol, propyl carbinol, amylalcohol, hexanol, 2-ethyl-hexanol, nonyl alcohol, dodecanol, stearyl alcohol, amyl phenol, octyl phenol, nonylphenol, the pure and mild alkylated naphthalene alcohol of methyl cyclohexane etc.

[0042] in one aspect in, alcohol roh can be an aliphatic acid, for example, contain at least about 4 carbon atoms uncle lipidol.Therefore can be applicable to that the example of typical monohydroxy alcohol roh of the present disclosure comprises amylalcohol, 1-octanol, 1-decanol, 1-dodecanol, 1-tetradecanol, 1-cetyl alcohol, 1-Stearyl alcohol, oleyl alcohol, inferior oleyl alcohol, linolenyl alcohol, phytol, myricyl alcohol, lauryl alcohol, tetradecyl alcohol, hexadecanol, stearic pure and mild behenyl alcohol.Here can consider commodity alcohol (comprising mixture), though and these commodity alcohol can comprise a small amount of this paper and not mention the alcohol that can not impair disclosure main purpose.

[0043] in the reaction, oxy-compound ROH and phosphorus reaction thing P ₂X ₅Mol ratio should be in about 1: 1～about 4: 1 scopes, for example 3: 1.This reaction can mix two kinds of reactants and carries out by simple under the high temperature of the composition temperature of about more than 50 ℃～any reactant or required product.In one aspect, this temperature range can be about 50 ℃～about 150 ℃, and the most frequently used about below 100 ℃.Reaction can be carried out in the presence of temperature control and the reactant blended solvent helping.Solvent can be that one or both mixtures are dissolved in wherein or product is dissolved in wherein any inertia liquid.This kind solvent comprises benzene,toluene,xylene, normal hexane, hexanaphthene, petroleum naphtha, Anaesthetie Ether Trivalin SF, dibutyl ether diox, chlorobenzene, oil of mirbane, tetracol phenixin or chloroform.

[0044] product of above-mentioned reaction is a tart, but does not accurately learn its chemical constitution as yet.But evidence shows, product is the list that mainly comprises phosphoric acid (or sulfo--or phosphorodithioic acid)-and the mixture of the acid phosphoric acid ester of two-ester, and ester group is derived from alcohol roh.

[0045] amine salt of the present disclosure can be by being made by the above-mentioned phosphoric acid ester of formula (I) representative and the reaction of at least a uncle or secondary amino compound.In one aspect, reacting with the amine that forms amine salt with replacement phosphoric acid is the following uncle's alkylamine of general formula:

R’NH ₂

Wherein R ' can be the alkyl that contains about 150 carbon atoms at most, and will be more frequent be the aliphatic group that contains about 4～about 30 carbon atoms.

[0046] in one aspect in, be applicable to that the alkylamine of preparation disclosure amine salt can be to contain about 4～about 30 carbon atoms in the alkyl, for example, contain uncle's alkylamine of about 8～about 20 carbon atoms in the alkyl.Alkyl can be saturated or undersaturated.The representative example of the saturated amine of uncle is to be called those of aliphatics primary aliphatic amine.Typical aliphatic amide comprises alkylamine, as normal hexyl Amine, n-octyl amine, n-Decylamine, dodecyl amine, n-tetradecane base amine, Pentadecane base amine, n-hexadecyl amine, Octadecane base amine (stearylamine) etc.The commodity of these primary amine have distillation level and technical grade.Though the distillation level will produce purer product, required acid amides and imide will form with technical grade amine in reaction.Mixing-in fat amine also is suitable for.

[0047] in one aspect of the method, the amine salt of P contained compound can be derived from containing in the alkyl at least about those of uncle's fat primary amine of 4 carbon atoms.Most can be derived from the alkylamine that contains in the alkyl altogether less than about 30 carbon atoms.Uncle's fat primary amine is the monoamine of following formula representative normally:

R(CH ₃) ₂CNH ₂

Wherein R can be the alkyl that contains 1～about 30 carbon atoms.The example of this class amine can have tert-butylamine, uncle's hexyl primary amine, 1-methyl isophthalic acid-amino-hexanaphthene, uncle's octyl group primary amine, uncle's decyl primary amine, uncle's dodecyl primary amine, uncle's tetradecyl primary amine, uncle's hexadecyl primary amine, uncle's octadecyl primary amine, uncle's tetracosyl primary amine, uncle's octacosyl primary amine.

[0048] mixture of amine also is applicable to purpose of the present disclosure.The example of this class mixed amine is C ₁₁～C ₁₄The mixture of primary t-alkyl-amine and C ₁₈～C ₂₂The similar mixtures of primary t-alkyl-amine.Primary t-alkyl-amine and their preparation method are that persons skilled in the art are known, therefore needn't further discuss.Primary t-alkyl-amine that is applicable to disclosure purpose and preparation method thereof is described in the U.S. patent No. 2,945,749, and the document is drawn in this for this respect reference.

[0049] it is also quite useful that hydrocarbon chain comprises the primary amine of alkene unsaturates.Therefore, R ' and R " base can contain one or more alkene unsaturated link(age)s, depends on the length of chain, and normally per 10 carbon atoms are no more than 1 two key.Representative amine is dodecylene amine, interior cardamom brain base amine, palm oil base amine, oil base amine and inferior oil base amine.

[0050] secondary amine comprises the dialkylamine that contains 2 abovementioned alkyls, comprise industrial fatty primary secondary amine, mix dialkylamine in addition, wherein R ' is aliphatic amide and R " can be low alkyl group (1～9 carbon atom); as methyl, ethyl, n-propyl, sec.-propyl, butyl etc.; or R " can be the alkyl of or polar substituent (CN base, alkyl, carbalkoxy, amide group, ether, thioether group, halogen, sulfoxide group, sulfuryl) non-reacted with other, thus the basic hydrocarbon characteristic of free radical is not damaged.The fat polyamine diamines comprises list or dialkyl group, no matter symmetry or asymmetric, quadrol, propylene diamine (1,2 or 1,3) and with above similar polyamines.The polyamines that is suitable for comprises N-cocounut oil-1,3-diaminopropanes, N-soybean oil alkyl trimethylene diamines, N-tallow-1,3-diaminopropanes or N-oil base-1,3-diaminopropanes.

[0051] the oil soluble amine salt can be by mixing above-mentioned phosphoric acid ester and above-mentioned amine is made under room temperature or higher temperature.Generally at room temperature mix at most about 1 hour just much of that.Reacting with the amine consumption that forms salt of the present disclosure with phosphoric acid ester is whenever the about 1 weight equivalent amine (based on nitrogen) of amount phosphoric acid, and equivalence ratio is generally about 1.

[0052] method for preparing this class amine salt is known and has reported in the literature.See, for example, the U.S. patent No. 2,063,629; 2,224,695; 2,447,288; 2,616,905; 3,984,448; 4,431,552; 5,354,484; Pesin etc., Zhurnal Obshchei Khimii, Vol.31, No.8, pp.2508～2515 (1961); With PCT international application publication number WO 87/07638, the disclosure of all these documents is all drawn in this for reference.

[0053] or, when acid phosphoric acid ester and above-mentioned amine blend, also can original position form salt, at this moment formative gear oil concentrate or prescription gear oil itself.

[0054] the another kind of P contained compound that is used for this paper lubricating composition comprises the reaction product of Dicyclopentadiene (DCPD) and thiophosphoric acid, and this paper also is referred to as Dicyclopentadiene (DCPD) dithio acid esters (dithioates).The general formula of thiophosphoric acid is:

Wherein R contains about 2～about 30 carbon atoms, for example, contains the alkyl of about 3～about 18 carbon atoms.In one aspect, R comprises the mixture of the alkyl of about 3～about 18 carbon atoms.

[0055] in one aspect in, P contained compound is at least a following compounds: the salt of the neopentyl glycol phosphite of neopentyl glycol phosphite, sulfur-bearing and sulfur-bearing neopentyl glycol phosphite.

[0056] Dicyclopentadiene (DCPD) dithio acid esters can be by mixing Dicyclopentadiene (DCPD) under thionic acid and the temperature that Dicyclopentadiene (DCPD) reacts and phosphorodithioic acid for some time makes being enough to make.The typical reaction times can be 30min～6h, is determined by those skilled in the art but the reaction conditions that is suitable for is very easy.Reaction product can stand traditional afterreaction to be handled, and comprises coupling vacuum stripping and filtration.

[0057] P contained compound can be present in the lubricant compositions with any aequum or significant quantity.In one aspect, Lubricant compositionsCan account for Lubricant compositionsAbout 0.05～about 3 weight % of gross weight, for example, about 0.2～about 1.5 weight %, and for example, about 0.3～about 1 weight %.In one aspect, Compositions of additivesCan account for Compositions of additivesAbout 0.3～about 18 weight % of gross weight, for example, about 1.2～about 8.9 weight %, and for example, about 1.8～about 6 weight %.But those skilled in the art will appreciate that and to use any amount.

[0058] compositions of additives of the present disclosure also can comprise friction modified compound.The optional self application of friction modifiers that is applicable to disclosure compositions of additives is in making lubricant compositions have a lot of compound and materials of being suitable for of this function.Friction modifiers can use with the mixture of unitary class compound or different compounds.The non-limiting example of friction modifiers comprises nitrogenous compound, contains grey compound and non-nitrogenous compound.In one aspect, lubricating composition of the present disclosure can comprise non--nitrogenous compound and molybdate compound.

[0059] nitrogenous compound can be any compound that comprises basic nitrogen.In one aspect, nitrogenous compound can be the long-chain alkylene amines.The long-chain alkylene amine modified antifriction compound comprises, for example, the trimethylene diamines that the N-aliphatic hydrocarbyl replaces, N-aliphatic hydrocrbon substituting group is at least a no acetylene series unsaturated link(age) and the linear aliphatic alkyl that contains about 14～about 20 carbon atoms therein.The non-limiting example of the friction modified immunomodulator compounds of this class is N-oil base-trimethylene diamines.Other suitable compound comprises N-tallow-trimethylene diamines and N-cocounut oil-trimethylene diamines.

[0060] one group of friction modifiers comprises the diethanolamine that the N-aliphatic hydrocarbyl replaces, and N-aliphatic hydrocarbyl substituting group is at least a no acetylene series unsaturated link(age) and the linear aliphatic alkyl that contains 14～about 20 carbon atoms of having an appointment therein.

[0061] as used herein, term " hydrocarbyl substituent " or " alkyl " use by its original meaning, and this is well-known to those skilled in the art.Specifically, it is meant the group that contains on the carbon atom that directly is connected the molecule rest part and mainly have the hydrocarbon characteristic.The example of alkyl comprises:

[0062] (1) hydrocarbon substituent, promptly aliphatic series (for example, alkyl or alkenyl), alicyclic (for example, cycloalkyl, cycloalkenyl) substituting group and aromatics-, the aromatic substituent and the ring wherein of aliphatic series-and alicyclic-replace be the ring substituents of finishing (for example, 2 substituting groups form alicyclic radical together) by another part of molecule.

[0063] (2) replace hydrocarbon substituent, promptly contain the most hydrocarbon substituents of not obvious change in content of the present invention (as, halogen (especially chlorine and fluorine), hydroxyl, alkoxyl group, sulfydryl, alkane sulfydryl, nitro, nitroso-group and sulfoxide group) non-hydrocarbyl substituent;

[0064] (3) hetero atom substituents though promptly have tangible hydrocarbon characteristic, in content of the present invention, contains non-carbon atom at ring or the chain originally be made up of carbon atom.Heteroatoms comprises sulphur, oxygen, nitrogen, and comprises the substituting group of pyridyl, furyl, thienyl and imidazolyl and so on.Generally per 10 carbon atoms existence is no more than 2 in alkyl, for example, is no more than 1, non-hydrocarbon substituent; Generally in alkyl, incite somebody to action hydrocarbon substituent nothing but.

[0065] as mentioned above, friction modifiers can comprise the mixture of different compounds, the combination of the trimethylene diamines that diethanolamine that replaces as at least a N-aliphatic hydrocarbyl and at least a N-aliphatic hydrocarbyl replace, N-aliphatic hydrocarbyl substituting group is at least a no acetylene series unsaturated link(age) and the linear aliphatic alkyl that contains about 14～about 20 carbon atoms therein.Make up more detailed situation in the U.S. patent No. 5,372,735 and 5,441 about friction modifiers, propose in 656, its disclosure is drawn in this for reference.

[0066] friction modifiers can be to contain grey compound.In one aspect, containing grey compound can be molybdate compound.The molybdate compound that is applicable to lubricating composition disclosed herein can be a no sulphur and/or without phosphorus.No sulphur and without phosphorus molybdate compound can be made with containing the organic compound reaction of amino and/or alcohol radical by no sulphur and without phosphorus molybdenum source.The example in no sulphur and without phosphorus molybdenum source comprises molybdic oxide, molybdic acid aluminium, Sodium orthomolybdate and potassium molybdate.Amino can be monoamine, diamines or polyamines.Alcohol radical can be single substituted alcohols, glycol or two alcohol, or polyvalent alcohol.For example, the reaction of diamines and fatty oil generates and to contain the amino that can react with no sulphur and without phosphorus molybdenum source and the product of alcohol radical simultaneously.

[0067] all drawing the no sulphur that occurs and the example of without phosphorus molybdate compound in this patent for reference and patent application comprises as follows: by some basic nitrogen compound and the made compound of molybdenum source reaction, as the U.S. patent No. 4,259,195 and 4, define in 261,843.By hydrocarbon substituted hydroxy alkylated amines and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 4,164,473.By phenol formaldehyde condensation product, monoalkylation Alkylenediamine and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 4,266,945.By fatty oil, diethanolamine and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 4,889,647.By fatty oil or acid and 2-(2-amino-ethyl) monoethanolamine and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 5,137,647.By secondary amine and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 4,692,256.By glycol, diamino or amino-alkylol cpd and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 5,412,130.By fatty oil, monoalkylation Alkylenediamine and the made compound of molybdenum source reaction, such as among the European patent application EP 1136496A1 definition.By lipid acid, monoalkylation Alkylenediamine, glyceryl ester and the made compound of molybdenum source reaction, such as among the European patent application EP 1136497A1 definition.By fatty oil, diethanolamine and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 4,889,647.

[0068] in one aspect in, the sulfur-bearing molybdate compound also can be used for lubricating composition disclosed herein.The sulfur-bearing molybdate compound can prepare with several different methods.A kind of method relates to no sulphur and/or the without phosphorus molybdenum source and amino and one or more sulphur source reactions of making.The sulphur source can comprise, for example, but is not limited to dithiocarbonic anhydride, hydrogen sulfide, sodium sulphite and elementary sulfur.Perhaps, the sulfur-bearing molybdate compound also can by sulfur-bearing molybdenum source and amino or thiuram base and, randomly, second sulphur source reaction and making.For example, the reaction of molybdic oxide and secondary amine and dithiocarbonic anhydride generates molybdenum dithiocarbamate.Perhaps, (NH ₄) ₂Mo ₃S ₁₃ ^*N (H ₂O), wherein n is about 0～2, generates three nuclear sulfur-bearing molybdenum dithiocarbamates with the reaction of thiuram disulfide.

The non-limiting example of the sulfur-bearing molybdate compound that [0069] occurs in patent and patent application comprises as follows: by molybdic oxide and secondary amine and the made compound of dithiocarbonic anhydride reaction, as the U.S. patent No. 3,509,051 and 3,356, define in 702.By no sulphur molybdenum source and secondary amine, dithiocarbonic anhydride with add the made compound of sulphur source reaction, as defining in the U.S. patent No. 4,098,705.By halogenation molybdenum and secondary amine and the made compound of dithiocarbonic anhydride reaction, as defining in the U.S. patent No. 4,178,258.By molybdenum source and basic nitrogen compound and the made compound of sulphur source reaction,, define in 773,4,272,387,4,285,822,4,369,119,4,395,343 as the U.S. patent No. 4,263,152,4,265.By four thio ammonium molybdate and the made compound of basic nitrogen compound reaction, as defining in the U.S. patent No. 4,283,295.By alkene, sulphur, amine and the made compound of molybdenum source reaction, as defining in the U.S. patent No. 4,362,633.By four thio ammonium molybdate and basic nitrogen compound and the made compound of organosulfur source reaction, as defining in the U.S. patent No. 4,402,840.By phenolic compound, amine and molybdenum source and the made compound of sulphur source reaction, as defining in the U.S. patent No. 4,466,901.By Witepsol W-S 55, basic nitrogen compound, molybdenum source and the made compound of sulphur source reaction, as defining in the U.S. patent No. 4,765,918.By basic metal alkylthio xanthate salt and the made compound of halogenation molybdenum reaction, as defining in the U.S. patent No. 4,966,719.By thiuram disulfide and the made compound of hexacarbonylmolybdenum reaction, as defining in the U.S. patent No. 4,978,464.By alkyl O,O-diethyl dithiobis base and the made compound of hexacarbonylmolybdenum reaction, as defining in the U.S. patent No. 4,990,271.By basic metal Alkylxanthates salt and the made compound of tetraacethyl two molybdenums reaction, as defining in the U.S. patent No. 4,995,996.By (NH ₄) ₂Mo ₃S ₁₃ ^* ₂H ₂O and dialkyldithiocarbamacompositions an alkali metal salt or the made compound of thiuram disulfide reaction are as defining in the U.S. patent No. 6,232,276.By ester or acid and diamines, molybdenum source and the made compound of dithiocarbonic anhydride reaction, as defining in the U.S. patent No. 6,103,674.Dialkyldithiocarbamacompositions is by an alkali metal salt and 3-chloropropionic acid, then with the made compound of molybdic oxide reaction, as defining in the U.S. patent No. 6,117,826.

[0070] non-limiting example of molybdate compound comprises carboxylic acid molybdenum, amino molybdenum, thiophosphoric acid molybdenum, thiocarbamate molybdenum, molybdenum dithiocarbamate or the like.

[0071] other example that contains grey compound includes, but not limited to titanium-containing compound and Tungstenic compound.

[0072] the suitable friction modifiers of another group comprises non--nitrogenous compound, as polyol ester, for example, XU 61518.10 (GMO), glyceryl monolaurate (GML) or the like.

[0073] friction modified immunomodulator compounds can be present in the lubricant compositions with any aequum or significant quantity.In one aspect, LubricantComposition can account for Lubricating compositionAbout 0.05～about 3 weight % of gross weight, for example, about 0.2～about 1.5 weight %, and for example, about 0.3～about 1 weight %.In one aspect, compositions of additives can account for about 0.3～about 18 weight % of lubricating composition gross weight, for example, and about 1.2～about 8.9 weight %, and for example, about 1.8～about 6 weight %.But will appreciate that, one of ordinary skill in the art can use any amount.

[0074] dispersion agent that is used for disclosure compositions of additives can be selected from any ashless dispersant well known by persons skilled in the art.The ashless dispersant that is suitable for can comprise the ashless dispersant of succinimide dispersants, Mannich base dispersion agent and polymkeric substance polyamines dispersion agent and so on.The amber acylation agent that alkyl replaces can be used for making the succinimide that alkyl replaces.The amber acylation agent that alkyl replaces comprises; but be not limited to; hydrocarbyl substituted succinic, hydrocarbyl substituted succinic acid anhydride, hydrocarbyl substituted succinic halogenide are (for example; acid fluorochemical and sour muriate) and alkyl (for example replace succsinic acid and lower alcohol; contain maximum 7 carbon atoms) ester, can play the alkyl substitution compound of carboxylic acid acylating agent effect.

[0075] acylating agent that replaces of alkyl can be reacted with maleic anhydride and made by suitable polyolefine of molecular weight or chlorinatedpolyolefins.Similarly the carboxylic acid reaction thing can be used for making acylating agent.This class reactant can comprise, but be not limited to, toxilic acid, fumaric acid, oxysuccinic acid, tartrate, the acid of table health, itaconic anhydride, citraconic acid, citraconic anhydride, methylfumaric acid, ethyl maleic anhydride, dimethyl maleic anhydride, ethyl toxilic acid, dimethyl maleic acid, hexyl toxilic acid or the like comprise corresponding sour halogenide and than rudimentary aliphatic ester.

[0076] molecular weight of alkene can become with the substituted succinyl oxide of intending usefulness.Substituted succinyl oxide generally can contain the alkyl of 8～500 carbon atoms of having an appointment.But the substituted succinyl oxide that is used for making lubricating oil dispersant generally has the alkyl of about 40～500 carbon atoms.For the high molecular substituted succinyl oxide, (Mn) is more accurate with number-average molecular weight, because be used for making the mixture that the alkene of these substituted succinyl oxides can comprise the different molecular weight fraction that the monomeric polymerization of ethene, propylene and iso-butylene and so on low molecular weight olefins is produced.

[0077] mol ratio of maleic anhydride and alkene can alter a great deal.For example, can change from about 5: 1～about 1: 5, or for example, from about 1: 1～about 3: 1.For number-average molecular weight about 500～about 7000, perhaps, and for example, about 800～about 3000 or the alkene and the ethene-alpha-olefin copolymer of higher polyisobutene and so on, the consumption of maleic anhydride can surpass stoichiometry, for example, and 1.1～3 moles of maleic anhydrides of every mol alkene.The unreacted maleic anhydride can volatilize away from the gained reaction mixture.

[0078] polyalkenyl succinic anhydride can as the catalytic hydrogenation method, be converted into poly-alkyl succinic anhydride with traditional reductive condition.For catalytic hydrogenation, appropriate catalyst is the palladium on charcoal.Equally, polymerase chain alkenyl succinimide can change into poly-alkyl succinimide with similar reductive condition.

[0079] poly-alkyl on the used here succinyl oxide or polyalkenyl substituting group generally can be derived from monoolefines, and 1-monoolefine especially is as the polymkeric substance of ethene, propylene and butylene or the polyolefine of multipolymer.Used monoolefine can contain 2～24 carbon atoms of having an appointment, or, and for example, about 3～about 12 carbon atoms.Other monoolefine that is suitable for comprises propylene, butylene, especially iso-butylene, 1-octene and 1-decene.The polyolefine of being made by this class monoolefine comprises polypropylene, polybutene, polyisobutene and the poly-alpha olefins that generates from 1-octene and 1-decene.

[0080] in aspect some, ashless dispersant can comprise that one or more contain the alkenyl succinimide of the amine of at least one primary amino that can form imide.Alkenyl succinimide can be used traditional method, forms as Heating Chain alkenyl succinic anhydride, acid, acid esters, sour halogenide or than lower alkyl esters and the amine that contains at least one primary amino.Alkenyl succinic anhydrides is easy to make by polyolefine and maleic anhydride are heated to about 180～220 ℃.Polyolefine can be more rudimentary monoolefine, and at about 300～about 3000 polymkeric substance or multipolymer, molecular weight is measured with gel permeation chromatography (GPC) as number-average molecular weights such as ethene, propylene, iso-butylenes.

[0081] amine that can be used for forming ashless dispersant comprises any amine that contains at least one primary amino that can be reacted into imide and at least one other uncle or secondary amino group and/or at least one hydroxyl.The several typical example is: N-methyl-propylene diamine, N-dodecyl propylene diamine, N-aminopropyl-piperazine, thanomin, N-ethanol quadrol or the like.

[0082] amine of Shi Yonging can comprise alkylene polyamine, as propylene diamine, dipropylenetriamine, two-(1, the 2-butylidene) triamine and four-(propylene) five amine.Another example comprises can be by formula H ₂N (CH ₂CH ₂-NH) _nThe ethylidene polyamines of H representative, wherein n can be about integer of 1～about 10.These amine comprise: quadrol, diethylenetriamine (DETA), Triethylenetetramine (TETA) (TETA), tetren (TEPA), penten (PEHA) or the like, the mixture that comprises them, in this case, n is the mean value of mixture.The every end of this class ethylidene polyamines has a primary amine groups, so they can form mono-alkenyl succinimide and two-alkenyl succinimide.Commodity ethylidene polyamine mixture can contain a small amount of branching and cyclisation polyamines, as N-aminoethyl piperazine, N, and N '-two (amino-ethyl) piperazine, N, N '-two (piperazinyl) ethane and similar compound.Commodity mixture can contain and drops on corresponding to the nearly all composition of diethylenetriamine to the tetren scope.The mol ratio of polyalkenyl succinic anhydride and polyalkylene polyamine can be about 1: 1～about 3.0: 1.

[0083] in aspect some, dispersion agent can comprise poly-ethylidene polyamines, for example, Triethylenetetramine (TETA) or tetren, with the reaction product of hydrocarbon substituted carboxylic acid or acid anhydrides, described hydrocarbon substituted carboxylic acid or acid anhydrides are by the polyolefine of suitable molecular weight, as polyisobutene, with maleic anhydride, toxilic acid, fumaric acid etc., comprise the mixture of 2 kinds or multiple this class material, unsaturated poly carboxylic acid or anhydride reaction form.

[0084] polymeric amide that also is suitable for preparing dispersion agent described herein comprises N-aryl phenylenediamine, as N-phenyl phenylenediamine, for example, N-phenyl-1,4-phenylenediamine, N-phenyl-1,3-phenylenediamine and N-phenyl-1,2-phenylenediamine; Aminothiazole is as aminothiazole, aminobenzothiazole, aminobenzothiazole and aminoalkyl group thiadiazoles; Aminocarbazole; Amino indole; Amino-pyrroles; The full ketone of amino indole; The amino mercapto triazole; Amino

Pyridine; The aminoalkyl group imidazoles, as 1-(2-amino-ethyl) imidazoles-e, 1-(3-aminopropyl) imidazoles; With the aminoalkyl group morpholine, as 4-(3-aminopropyl) morpholine.These polyamines have been described in greater detail in the U.S. patent No. 4,863,623 and 5,075, and in 383, its disclosure is drawn in this for reference.

[0085] be applicable to that other polyamines that forms the alkyl substituted succinimide comprises that molecule includes the polyamines of at least one uncle or secondary amino group and at least one uncle's amino, as the U.S. patent No. 5,634,951 and 5,725,612 is described, and its disclosure is drawn in this for reference.The non-limiting example that is suitable for polyamines comprises N, N; N "; N "-tetraalkyl two alkylene triamine (2 amino and 1 center secondary amino groups of end uncle), N, N, N '; N "-tetraalkyl three alkylidene group tetramines (1 end uncle amino, 2 amino and 1 end primary aminos of interior uncle), N, N, N ', N "; N " '-five alkyl three alkylidene group tetramines (1 end uncle amino, 2 amino and 1 end secondary amino groups of interior uncle), three (dialkyl aminoalkyl) aminoalkyl group methane (3 amino and 1 end primary aminos of end uncle) and similar compound, wherein alkyl is identical or different, and generally each contains and is no more than 12 carbon atoms, and each can contain about 1～about 4 carbon atoms.Again for example, these alkyl can be methyl and/or ethyl.This class polyamine reactant can comprise dimethylamino propylamine (DMAPA) and N methyl piperazine.

[0086] being applicable to that this oxyamine comprises containing at least aly can replace the uncle of succsinic acid or anhydride reaction or compound, oligomer or the polymkeric substance of secondary amine with alkyl.The example that is applicable to this oxyamine (for example comprises amino ethyl ethanolamine (AEEA), aminopropyl diethanolamine (APDEA), thanomin, diethanolamine (DEA), the propenoxylated hexamethylene-diamine of part, HMDA-2PO or HMDA-3PO), 3-amino-1,2-propylene glycol, three (hydroxymethyl) aminomethane and 2-amino-1, ammediol.

[0087] mol ratio of amine and hydrocarbyl substituted succinic or acid anhydrides can be about 1: 1～about 3.0: 1.And for example, the mol ratio of the succsinic acid of amine and hydroxyl replacement or acid anhydrides can be about 1.5: 1～about 2.0: 1.

[0088] aforementioned dispersion agent also can be, for example, by as the U.S. patent No. 5,789,353 is described, handle dispersion agent with maleic anhydride and boric acid, or pass through as the U.S. patent No. 5,137,980 is described, with nonylphenol, formaldehyde and acetic acid treatment dispersion agent, the made dispersion agent of aftertreatment, the disclosure of these documents is all drawn in this for reference.

[0089] the Mannich base dispersion agent can be generally to have the substituent alkylphenol of chain alkyl and one or more contain the reaction product of the aliphatic aldehyde (as formaldehyde and derivative thereof) and the polyamines (especially polyalkylenepolyamines) of about 1～about 7 carbon atoms on the ring.For example, Mannich Base ashless dispersants can form as follows: the long chain hydrocarbon fortified phenol of the about 1mol ratio of condensation and about 1～about 2.5mol formaldehyde and about 0.5～about 2mol polyalkylene polyamine.

[0090] the hydrocarbon source of making Mannich polyamines dispersion agent can be derived from basic bubble point oil cut and olefin polymer, as contains the polymkeric substance of the monoolefine of 2～about 6 carbon atoms, those.The hydrocarbon source is generally contained, for example, and at least about 40 carbon atoms, and for example, at least about 50 carbon atoms, so that dispersion agent has good oil soluble.The GPC number-average molecular weight is that about olefin polymer of 600～5,000 can be suitable for.But also can use more high molecular weight polymers.The polymkeric substance that is suitable for the hydrocarbon source and can is isobutene polymer and make from the mixture of iso-butylene and raffinate stream.

[0091] the Mannich base dispersion agent of Shi Yonging can be by the about 1mol ratio of condensation long chain hydrocarbon groups fortified phenol and about 1～about 2.5mol formaldehyde and the ashless dispersion of about 0.5～formed Mannich base of about 2mol polyalkylene polyamine.

[0092] the polymkeric substance polyamines dispersion agent that is fit to do ashless dispersant is the polymkeric substance that contains alkaline amido and oil soluble base (as contain at least about 8 carbon atoms side alkyl).The example of this class material has from the alkene of multiple monomer such as decyl-octyl methacrylate, vinyl decyl ethers or higher molecular weight and vinylformic acid ammonia alkane ester and the formed interpolymer of aminoalkyl acrylamide.The example of polymkeric substance polyamines dispersion is in the U.S. patent No. 3,329,658; 3,449,250; 3,493,520; 3,519,565; 3,666,730; 3,687,849; With 3,702, propose in 300.The polymkeric substance polyamines can comprise hydrocarbyl polyamine, and wherein alkyl is made up of the polymerisate of iso-butylene and raffinate stream, as mentioned above.Also can use PIB-amine and PIB polyamines.

[0093] method of the above-mentioned ashless dispersion of generation is well known by persons skilled in the art and has been reported in the patent documentation.For example, aforementioned multiple ashless dispersant synthetic is described in the following U.S. patent No. 2,459,112; 2,962,442,2,984,550; 3,036,003; 3,163,603; 3,166,516; 3,172,892; 3,184,474; 3,202,678; 3,215,707; 3,216,936; 3,219,666; 3,236,770; 3,254,025; 3,271,310; 3,272,746; 3,275,554; 3,281,357; 3,306,908; 3,311,558; 3,316,177; 3,331,776; 3,340,281; 3,341,542; 3,346,493; 3,351,552; 3,355,270; 3,368,972; 3,381,022; 3,399,141; 3,413,347; 3,415,750; 3,433,744; 3,438,757; 3,442,808; 3,444,170; 3,448,047; 3,448,048; 3,448,049; 3,451,933; 3,454,497; 3,454,555; 3,454,607; 3,459,661; 3,461,172; 3,467,668; 3,493,520; 3,501,405; 3,522,179; 3,539,633; 3,541,012; 3,542,680; 3,543,678; 3,558,743; 3,565,804; 3,567,637; 3,574,101; 3,576,743; 3,586,629; 3,591,598; 3,600,372; 3,630,904; 3,632,510; 3,632,511; 3,634,515; 3,649,229; 3,697,428; 3,697,574; 3,703,536; 3,704,308; 3,725,277; 3,725,441; 3,725,480; 3,726,882; 3,736,357; 3,751,365; 3,756,953; 3,793,202; 3,798,165; 3,798,247; 3,803,039; 3,804,763; 3,836,471; 3,862,981; 3,872,019; 3,904,595; 3,936,480; 3,948,800; 3,950,341; 3,957,746; 3,957,854; 3,957,855; 3,980,569; 3,985,802; 3,991,098; 4,006,089; 4,011,380; 4,025,451; 4,058,468; 4,071,548; 4,083,699; 4,090,854; 4,173,540; 4,234,435; 4,354,950; 4,485,023; 5,137,980 and Re 26,433, draw in this for reference.

[0094] example of suitable ashless dispersant is a boron-containing dispersant.Boron-containing dispersant can form as follows: the boronation molecule includes the ashless dispersant of basic nitrogen and/or at least one hydroxyl, as succinimide dispersants, succinic diamide dispersion agent, amber ester dispersion agent, amber ester-acid amide dispersion agent, Mannich base dispersion agent or alkylamine or polyamines dispersion agent.Can be used for the method for the above-mentioned all kinds of ashless dispersants of boronation is described in the U.S. patent No. 3,087,936; 3,254,025; 3,281,428; 3,282,955; 2,284,409; 2,284,410; 3,338,832; 3,344,069; 3,533,945; 3,658,836; 3,703,536; 3,718,663; 4,455,243; With 4,652, in 387, its disclosure is drawn in this for reference entirely.

[0095] boron-containing dispersant can comprise with boron-treated high molecular weight dispersant, make boron-containing dispersant comprise about 2 weight % boron at most, for example, about 0.8 weight % or boron still less, and for example, about 0.1～0.7 weight % boron, again and for example, about 0.25～0.7 weight %, again for another example, about 0.35～0.7 weight % boron.Dispersion agent may be dissolved in the oily interior so that handle of proper viscosity.Should be understood that weight percentage given here is for the clean dispersion agent that do not add any thinner.

[0096] dispersion agent can also further react with organic acid, acid anhydrides and/or aldehyde/phenol mixture.This method can improve the consistency with elastomeric seal and so on.Boron-containing dispersant also can comprise the mixture of boron-containing dispersant.And for example, boron-containing dispersant can comprise nitrogenous dispersion agent and/or can be without phosphorus.

[0097] in one aspect in, the dispersion agent that is used for disclosure lubricant compositions can be the ethylene-propylene dispersion agent.This dispersion agent maleic anhydride that can be grafting especially and with the ethylene-propylene copolymer of N-phenyl phenylenediamine reaction.

[0098] as the U.S. patent No. 5,075,383 and 6,117,825 described low-molecular-weight ethylenics-alpha-olefin succinyl oxide dispersion agent also is applicable to this, and its disclosure is drawn in this for reference.As the U.S. patent No. 5,266,223; 5,350,532; With 5,435,926 described ethylene-alpha-olefin polymers also are applicable to the disclosure, and its disclosure is drawn in this for reference.As the U.S. patent No. 4,952,637; 5,356,999; 5,374,364; With 5,424,366 described ethylene-propylene-diene polymers also are suitable for, and its disclosure is drawn in this for reference.

[0099] crosslinked low-molecular-weight ethylenic-propylene succinyl oxide dispersion also is applicable to the present invention.These crosslinked dispersion agents are similar to low-molecular-weight ethylenic discussed above-alpha-olefin succinyl oxide dispersion agent, but also contain the polyfunctionality polyamines, and purpose is to realize preferably crosslinkedly, and of the .U.S. patent No. 6,107,258, its disclosure is drawn in this for reference.

[00100] dispersion agent of Shi Yonging will be derived from molecular weight about 300～about 25,000, for example, about 1000～about 15,000; And for example about ethylene-alpha-olefin polymers of 5,000～about 15,000.

[00101] in one aspect of the method, dispersion agent can be the amine of the high graft functionalized ethylene-propylene copolymer of deriving, and as the U.S. patent No. 5,139,688 and 6,107,257 describe in detail, and its disclosure is drawn in this for reference.

[00102] in one aspect in, dispersion agent can be a functionalized olefin copolymers.Polymkeric substance or polymer matrices can be made from ethene and propylene, perhaps also can be from ethene and at least a C ₃～C ₂₃Higher olefins in the alpha-olefin is made.

[00103] non-limiting example that is applicable to this polymkeric substance comprises ethene and at least a C ₃～C ₂₃The multipolymer of alpha-olefin.In one aspect, can use the multipolymer of ethene and propylene.Be suitable for replacing propylene to form multipolymer or be used for comprising 1-butylene, 2-butylene, iso-butylene, 1-amylene, 1-hexene, 1-octene and vinylbenzene with ethene and propylene other alpha-olefin that forms terpolymer that combines; α, ω-diolefine, as 1,5-hexadiene, 1,6-heptadiene, 1,7-octadiene; The side chain alpha-olefin, as 4-methyl butene, 1,5-methylpentene-1 and 6-methyl heptene-1; And their mixture.

[00104] more complicated polymeric matrix often is referred to as interpolymer, can prepare with the 3rd component.The 3rd component that generally is used for preparing the interpolymer matrix can be the polyenoid monomer that is selected from non-conjugated diene and triolefin.The non-conjugated diene component can be that chain includes a kind of of 5～14 carbon atoms.For example diene monomers can with exist in its structure vinyl be feature and can comprise the ring and bicyclic compound.Representative diene comprises 1,4-hexadiene, 1, Dicyclopentadiene (DCPD), 5-ethylidene-2-norbornene, 5-methylene-2-norbornene, 1,5-heptadiene and 1,6-octadiene.Can be with the mixture of more than a kind of diene during interpolymer in preparation.In one embodiment, the non-conjugated diene that is used for preparing terpolymer or interpolymer base material can be 1, the 4-hexadiene.

[00105] three olefinic constituent can contain and contain about 30 carbon atoms at least on 2 unconjugated double bonds and the chain at most.The typical triolefin that is applicable to preparation interpolymer of the present invention can be 1-isopropylidene-3 α, 4,7,7 α-tetrahydroindene, 1-isopropylidene cyclopentadiene, dihydro-different Dicyclopentadiene (DCPD) and 2-(2-methylene radical-4-methyl-3-pentenyl) be two ring-5-heptene (2.2.1).

[00106] ethylene-propylene or more the multipolymer of high alpha-olefin can comprise about 15～80mol% ethene and about 85～20mol%C ₃～C ₂₃Alpha-olefin, for example, mol ratio is about 35～75mol% ethene and about 65～25mol%C ₃～C ₂₃Alpha-olefin, again for example, ratio is 50～70mol% ethene and 50～30mol%C ₃～C ₂₃Alpha-olefin, more for example, ratio is 55～65mol% ethene and 45～35mol%C ₃～C ₂₃Alpha-olefin.

[00107] variant of terpolymer can comprise about 0.1～10mol% non-conjugated diene or triolefin in the aforementioned polymer.

[00108] term polymer and multipolymer can be used for being all together ethylene copolymer, terpolymer or interpolymer.These materials can comprise a small amount of other olefinic monomer, as long as essential change does not take place the fundamental characteristics of ethylene copolymer.Those of ordinary skill in the art will appreciate that how to make these functionalized olefin copolymers.For example, the U.S. patent No. 6,107,257 discloses the method for making functionalized olefin copolymers, and its disclosure is drawn in this for reference.

[00109] dispersion agent also can be to comprise derived from following monomeric unitary poly-(methyl) alkyl acrylate copolymer: (A) about 12～about 18 weight % methyl methacrylates; (B) about 75～about 85 weight % (methyl) vinylformic acid C ₁₀～C ₁₅Alkyl ester; (C) the nitrogenous dispersion agent monomer of about 2～about 5 weight %.Poly-(methyl) alkyl acrylate copolymer can comprise following monomeric reaction product: (A) about 12～about 18 weight % methyl methacrylates; (B) about 75～about 85 weight % (methyl) vinylformic acid C ₁₀～C ₁₅Alkyl ester; (C) the nitrogenous dispersion agent monomer of about 2～about 5 weight %.

[00110] as used herein, (methyl) vinylformic acid C ₁₀～C ₁₅Alkyl ester is meant and contains straight chain or branched-alkyl, each group contains the acrylic or methacrylic acid alkyl ester of 10～15 carbon atoms, comprise, but be not limited to, (methyl) decyl acrylate, (methyl) isodecyl acrylate, (methyl) vinylformic acid undecane ester, (methyl) lauryl acrylate, (methyl) vinylformic acid myristin, (methyl) vinylformic acid dodecyl pentadecyl ester, and their mixture.

[00111] (methyl) alkyl acrylate comonomer that contains 10 or more a plurality of carbon atoms in alkyl generally can be equipped with the standard esterification legal system of technical grade long chain aliphatic alcohol, and this class commodity alcohol is the mixture of the alcohol that chain length is different in the alkyl.Therefore, be purpose of the present disclosure, (methyl) alkyl acrylate is intended to not only comprise described various (methyl) alkyl acrylate, but also comprises that main content is (methyl) alkyl acrylate of described (methyl) alkyl acrylate.

[00112] the nitrogenous dispersion agent monomer that is applicable to this comprises dialkyl aminoalkyl (methyl) acrylamide, as N, and N-dimethylaminopropyl Methacrylamide; N, N-diethylamino propyl methyl acid amides; N, N-dimethyl aminoethyl acrylamide and N, N-diethylamino ethyl acrylamide; (methyl) propenoic acid dialkyl aminoalkyl ester, as methacrylic acid N, the N-dimethylamino ethyl ester; Vinylformic acid N, N-diethylamino ethyl ester; Sulphomethyl vinylformic acid N, the N-dimethylamino ethyl ester.

[00113] in one aspect in, poly-(methyl) alkyl acrylate copolymer is made up of (A), (B) and reaction product (C) basically.But, it will be apparent to one skilled in the art that can exist a small amount of can with monomer disclosed herein (A), (B) and/or (C) other monomer of polymeric, as long as they have no adverse effect to the fluidic low-temperature performance of filling a prescription fully.Add monomeric typical amount and be less than about 5 weight %, for example, be less than 3 weight %, and for example, be less than 1 weight %.For example, add a small amount of (methyl) vinylformic acid C ₂～C ₉Alkyl ester monomer, hydroxyl or poly-(methyl) alkyl acrylate, ethene, propylene, vinylbenzene, vinyl-acetic ester etc. of containing alkoxyl group are also thought in disclosure scope.In one aspect, (A), (B) and weight % sum (C) be 100%.

[00114] multipolymer can comprise free radical and anionoid polymerization with multiple polymerization technique preparation.

[00115] traditional radical polymerization can be used to prepare multipolymer.The polymerization of vinylformic acid and/or methacrylic acid monomer can be carried out under multiple condition, comprises mass polymerization, usually in organic solvent, the preferably solution polymerization in mineral oil, letex polymerization, suspension polymerization and non-water-dispersion technology.

[00116] dispersion agent can be present in the lubricant compositions with any aequum or significant quantity.In one aspect, lubricant compositions can account for about 0.1～about 10 weight % of lubricating composition gross weight, for example, and about 1～about 7 weight %, and for example, about 2～about 5 weight %.In one aspect, Compositions of additivesCan account for Compositions of additivesAbout 0.6～about 59.5 weight % of gross weight, for example, about 5.95～about 41.7 weight %, and for example, about 11.9～about 29.8 weight %.

[00117] according to each embodiment, provide and comprise the lubricant compositions that most of base oil and small portion comprise the compositions of additives of friction modifiers and dispersion agent, wherein said compositions of additives, compare with the compositions of additives that does not have friction modifiers and dispersion agent, demonstrate one of following properties at least: the film friction that reduces and the fuel efficiency of raising.

[00118] randomly, in lubricant of the present disclosure and/or compositions of additives, can there be other component.The non-limiting example of other component comprises anti-wear agent, washing composition, thinner, deaerating agent, emulsion splitter, suds suppressor, inhibiter, extreme pressure agent, sealing modifying agent, oxidation inhibitor, pour point reducer, rust-preventive agent and friction modifiers.

[00119] in one aspect in, variator and gear unit can be lubricated with lubricant compositions of the present disclosure.But those of ordinary skill in the art understands, and lubricant compositions of the present disclosure can be used for lubricating anything, for example, and any surface, the surface that if can exist film to rub.In one aspect of the method, provide the method for lubrication machine such as engine, variator, automobile gear, gear unit and/or axle, comprise to machine and supply with lubricant compositions of the present disclosure.

[00120] according to many aspects, the method that reduces fluidic film friction between the surface is provided, comprise to fluid and supply with the lubricant compositions that comprises base oil and compositions of additives, described compositions of additives comprises washing composition and is selected from the additive of P contained compound, friction modifiers and dispersion agent.

[00121], comprises to supply with and comprise base oil and comprise friction modifiers and the lubricant compositions of the compositions of additives of dispersion agent to fluid according to also having an aspect, provide the method that reduces fluidic film friction between the surface.

[00122] in all fields in, the method that improves the vehicle fuel efficiency is provided, comprise to vehicle and supply with the composition that comprises base oil and compositions of additives, described compositions of additives comprises washing composition and is selected from the additive of P contained compound, friction modifiers and dispersion agent.

[00123] others disclose the method that improves the vehicle fuel efficiency, comprise to vehicle and supply with the composition that comprises base oil and compositions of additives, and described compositions of additives comprises friction modifiers and dispersion agent.

[00124] this paper also openly uses the method for the machine of lubricant compositions lubricating engine of the present disclosure, variator, automobile gear, gear unit and/or axle and so on.In a further aspect, disclose the method for the machine fuel efficiency that improves engine, variator, automobile gear, gear unit and/or axle and so on, comprised the machine of lubricant compositions of the present disclosure being put into engine, variator, automobile gear, gear unit and/or axle and so on.

[00125] also will look forward to can be the debatable any machine of lubricant compositions fueling economy of the present disclosure.

[00126] Each additive of embodiment 1-is to the influence of film friction

[00127] each additive, as washing composition, P contained compound (P-A (containing metal is phosphorous) and P-B (non--containing metal, phosphorous)), friction modifiers (FM-A (nitrogenous), FM-B (non--nitrogenous) and FM-C (non--nitrogenous)) and dispersion agent (D-A (succinimide) and D-B (polymkeric substance)), when adding 2 kinds of base oils, when promptly organizing II base oil (G2) and group IV base oil (PAO4), the effect that film is rubbed is shown in table 1.The film friction with 20% slip and rolling ratio, is measured with 1.5m/s under 100 ℃/20N load.Table 1 has also provided the variation percentage of film friction and the relation between the base oil.As show as seen, removing D-A in the G2 China and foreign countries, all additives all make the film friction increase.But D-A can make the film friction increase when adding PAO4.

Table 1

	Film friction coefficient	The variation % of film friction and the relation of base oil
	Film friction coefficient		G2	0.030	---
The G2+ washing composition	0.069	130％	G2	0.030	---
The G2+ washing composition	0.069	130％	G2+P-A	0.074	147％
G2+P-B	0.050	68％	G2+P-A	0.074	147％
G2+P-B	0.050	68％	G2+FM-A	0.038	27％
G2+FM-B	0.035	17％	G2+FM-A	0.038	27％
G2+FM-B	0.035	17％	G2+D-A	0.029	-3％
G2+D-B	0.056	87％	G2+D-A	0.029	-3％
G2+D-B	0.056	87％	PAO4	0.027	---
PAO4+D-A	0.041	52％	PAO4	0.027	---
PAO4+D-A	0.041	52％	PAO4+FM-A	0.035	30％
PAO4+FM-C	0.036	33％	PAO4+FM-A	0.035	30％

[00128] Embodiment 2-compositions of additives is to the influence of the film friction of base oil G2

[00129] table 2 provides the influence that the compositions of additives of additive that comprises washing composition and be selected from P contained compound (P-A and P-B), friction modifiers (FM-A, FM-B and FM-C) and dispersion agent (D-A and D-B) rubs to film in base oil G2.Film friction percentage variation actual and that calculate also is listed in the table 2.When additive and base oil combination, the calculated value that base oil film friction percentage changes can be determined with the film friction percent change sum that each additive in the table 1 causes in base oil.For example, the combination in base oil RLOP 100 for washing composition and P-A, the calculated value that film friction percentage changes is 277% (130%+147%).Table 2 has provided from the calculating percentage of the definite film friction of the effect of each additive and has changed.If the calculating percentage that the actual percentage that the film of additive combination rubs changes less than the film friction changes, it is low that the film friction ratio of then being surveyed is expected, and the fuel economy of additive combination is better than what expect.

Table 2

	Film friction coefficient	The variation % of film friction and base oil concern actual value	The variation % of film friction and base oil concern calculated value
	Film friction coefficient			G2+ washing composition+P-A	0.083	177％	277％
G2+ washing composition+P-B	0.053	77％	198％	G2+ washing composition+P-A	0.083	177％	277％
G2+ washing composition+P-B	0.053	77％	198％	G2+ washing composition+FM-A	0.048	60％	157％
G2+ washing composition+FM-B	0.059	97％	147％	G2+ washing composition+FM-A	0.048	60％	157％
G2+ washing composition+FM-B	0.059	97％	147％	G2+ washing composition+D-A	0.036	20％	127％
G2+ washing composition+D-A	0.049	63％	217％	G2+ washing composition+D-A	0.036	20％	127％

[00130] under the listed all situations of table 2, the actual film friction percentage that comprises the washing composition and the compositions of additives of the additive that is selected from P contained compound (P-A and P-B), friction modifiers (FM-A and FM-B) and dispersion agent (D-A) among the base oil G2 changes the calculated value that is lower than the variation of film friction percentage.Therefore, the compositions of additives that comprises washing composition and be selected from the additive of P contained compound, friction modifiers and dispersion agent have than the better film frictional property of expection and, therefore, fuel efficiency.

[00131] Embodiment 3-compositions of additives is to the influence of the film friction of base oil PAO4

[00132] table 3 provided comprise friction modifiers (FM-A and FM-C) and dispersion agent (D-A) compositions of additives in base oil PAO4 to the influence of film friction.The reality of film friction and the variation of calculating percentage also are listed in the table 3.Under the listed all situations of table 3, the compositions of additives actual percentage variation of film friction in base oil PAO4 that comprises friction modifiers (FM-A and FM-C) and dispersion agent (D-A) all is lower than from the calculated value of each additive effect.

Table 3

	Film friction coefficient	The variation % of film friction and base oil concern actual value	The variation % of film friction and base oil concern calculated value
	Film friction coefficient			PAO4+D-A+FM-A	0.016	-42％	81％
PAO4+D-A+FM-C	0.013	-53％	85％	PAO4+D-A+FM-A	0.016	-42％	81％

[00133] many in this specification places are with reference to the foreign patent application of a lot of U.S. patents, publication and the technical article of publication.All these documents that are cited all draw clearly in the disclosure, and are described just like the disclosure.

[00134] be the purpose of this specification sheets and claims, except as otherwise noted, all numerical value of used expression amount, percentage ratio or ratio and other numerical value are interpreted as in all cases all through " pact " modified in this specification sheets and the claim.Therefore, unless opposite explanation, used digital parameters all is an approximation in superincumbent specification sheets and the following claims, and they can be pursued the expected performance that obtains with the disclosure and become.At least, and unintentionally the application of equivalent principle is limited in the claim scope, each numerical parameter should be counted as based on the significant figure of report at least and use general rounding-off method to handle.

[00135] although broad digital scope and the parameter of the scope that the disclosure provides all is approximation, the numerical value that provides in specific examples has been reported accurately as far as possible.But any numerical value contains some error that standard deviation caused because of existing in each test determination inherently.And all scopes disclosed herein all are understood to include any and all underranges that wherein comprise.For example, the scope of " less than 10 " can be included in any and all underranges between (comprising) minimum value 0 and the maximum value 10, promptly minimum value be equal to or greater than 0 and maximum value be equal to or less than between 10, for example, any and all underranges between 1～5.

It is worthy of note that [00136] as used in this specification sheets and the claims, odd number " " and " being somebody's turn to do " comprise plural things, unless clearly and in so many words be limited to a things.Therefore, for example, " a kind of oxidation inhibitor " comprises one or more oxidation inhibitor.As used herein, term " comprises " and grammatical variants is intended to indefiniteness, and therefore the things of quoting in table is not got rid of other similar things that can replace or add listed things.

[00137] the present invention easily does a large amount of changes in its practice.Therefore the narration of front is limited to the above specific examples that provides to the present invention unintentionally, also should not regard it as determinate.What on the contrary, be intended to comprise is equivalent thing that propose and that allow legally in the claim subsequently.

[00138] applicant dedicates any disclosed embodiment to the public unintentionally, and on this meaning, in fact any disclosed modification or change may not fallen within the scope of the claims, but under equivalent body principle, should regard them as a part of the present invention.

Claims

1. the compositions of additives that comprises following component:

Washing composition; With

2. the compositions of additives of claim 1, wherein P contained compound is containing metal, P contained compound, described containing metal, P contained compound are dialkyl phosphorodithioic acid metal-salts.

3. the compositions of additives of claim 1, wherein P contained compound is sulfur-bearing, P contained compound, described sulfur-bearing, P contained compound are selected from the salt of thiophosphatephosphorothioate, phosphorodithioate, sulfur-bearing neopentyl glycol phosphite and sulfur-bearing neopentyl glycol phosphite.

4. the compositions of additives of claim 1, wherein friction modifiers is at least a following compounds: non--nitrogenous compound, nitrogenous compound and contain grey compound.

5. the lubricant compositions that comprises following component:

Most of base oil; With

The compositions of additives of small portion claim 1.

6. the compositions of additives that comprises following component:

Friction modifiers; With

Dispersion agent;

7. reduce the method for fluidic film friction between the surface, comprise:

Base oil; With

The compositions of additives that comprises following component:

Washing composition; With

8. reduce the method for fluidic film friction between the surface, comprise:

Base oil; With

9. improve the method for vehicle fuel efficiency, comprise:

Supply with the composition that comprises following component to vehicle:

Base oil; With

10. improve the method for vehicle fuel efficiency, comprise:

Supply with the composition that comprises following component to vehicle:

Base oil; With