CN109825383A - Car engine lubrication system greasy filth exempts to tear cleaning compositions and preparation method and application open - Google Patents
Car engine lubrication system greasy filth exempts to tear cleaning compositions and preparation method and application open Download PDFInfo
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Abstract
The invention belongs to cleaning technology fields, and the invention discloses a kind of car engine lubrication system greasy filth to exempt to tear cleaning compositions and preparation method and application open, wherein according to mass percentage meter, the composition includes following component: n-Propyl Bromide 2-35%；Mannich base 2-35%；Boronation polyisobutylene succinamide 2-35%；New the eleventh of the twelve Earthly Branches polylol ester 5-80%；Metal inhibitor 0-0.2%；Surplus is mineral base oil.Composition provided by the invention can effectively remove, disperse carbon distribution and greasy filth in engine lubrication system, while good antiwear and antifriction can be presented again, it is ensured that engine lubrication system machine component will not be worn.
Description
Technical field
The present invention relates to cleaning technology fields, and in particular to a kind of car engine lubrication system greasy filth exempts to tear cleaning combination open
Object and preparation method and application.
Background technique
Lubricating oil is influenced and the catalytic action of various media, metal in engine operation by fuel combustion temperature,
Gradually rotten aging, generation greasy filth, they are generated in the different parts of engine respectively, and gradually deposit oil circuit and friction surface,
Insufficient lubrication and abrasion is caused to accelerate, the moment jeopardizes the normal use of engine.The greasy filth of lubricating system is by colloid, pitch
What many kinds of substance such as matter, half kerotenes, carbene and acid were constituted.The operating temperature of crankcase is higher, generally at 65-85 DEG C；Perhaps
More parts are lubricated by spilling mode.The mist of oil of spilling forms big oxidized surface, in high temperature and moving air, becomes profit
The condition of lubricating oil oxidation.Combustion gas or exhaust gas bring carbon deposit, coke and other products into crankcase, contain water by piston ring
The gas of vapour, which encounters cooling metal, will also condense into water, and gas and water is mixed with lubricating oil, into the air entrained dirt of crankcase
It falls into wherein；Acidic oxide interaction in the metal fillings and lubricating oil that parts depreciation is got off, forms metallic soaps and sinks
Precipitation goes out.Water, fuel, charcoal dirt and metallic particles, have greatly accelerated oil ageing process.Engine sludge is that have very much must
It to be cleaned.Greasy filth appears in inside engine lubrication system, such as piston skirt bottom, engine sump, oil duct, timing gears
The temperature lowers such as lid, cavaera side lid.Since greasy filth does not dissolve in machine oil, cause effectively be discharged when replacing machine oil, instead
Rapid aged deterioration is caused to new machine oil, so that oneself expensive new machine oil can not run out of normal milimeter number.Greasy filth is serious
In the case of specific coking is endangered to vehicle also seriously, for example blocking lubricant passage way, aggravation friction, to radiate bad, eventually lead to burning
Watt, the accidents such as seize, cause engine overhaul.
The lubricating system overview of cleaning engine gets up and can be summarized as two ways: first way is artificial releasing type
Cleaning.Namely cleaning agent injection engine crankcase, in the state of engine idling, make cleaning agent and lubricating oil abundant
Entire oil leab is cleaned after mixing.After 10-15 minutes, the cleaning agent and used oil mixture nature in crankcase
It flows out or adsorbs.Second is cleaned using Special lubricating cleaning systems equipment.Started using two conduit connections
Machine lubricating system puts machine oil mouth and oil filter mouth, forms closed loop, makes cleaning agent in engine lubrication using oil pump
It carries out in system wash cycles 10-15 minutes, then raffinate all in lubricating system is inhaled with the vacuum pump in the equipment again
It is attached clean.
First way is not influenced by environment and condition, convenient for construction；Second is cleaned by professional equipment,
It is comparatively smaller to the negative effect of engine.However there are drawbacks for both of which.It is well known that due to lubricating oil outlet
Angle and the irregular structure of oil sump, waste lubricating oil can not discharge completely from lubricating system；Or greasy filth is difficult to dissolve in lubrication
In oil, large area is adhered to the surface layer of the lubricating oil such as oil sump, crankshaft, connecting rod, either flows out naturally by gravity, or logical
The mode of vacuum suction is crossed, greasy filth can not all be discharged clean.
Very serious situation is for another, by safety date sheet and the detection of consulting various products, it has been found that several
Each product contains the hydrocarbon solvent and glycol ether for being difficult to volatilize, although these solvents have good cleaning to greasy filth
Property, but can remain in crankcase, newly added lubricating oil product is polluted together with waste lubricating oil.
Summary of the invention
The embodiment of the invention provides a kind of car engine lubrication system greasy filth to exempt to tear cleaning compositions and preparation method open
And application.Composition provided by the invention can effectively remove, disperse carbon distribution and greasy filth in engine lubrication system, while again
Good antiwear and antifriction can be presented, it is ensured that engine lubrication system machine component will not be worn.
The purpose of the embodiment of the present invention is that be achieved through the following technical solutions:
In a first aspect, the embodiment of the invention provides a kind of car engine lubrication system greasy filth to exempt to tear cleaning compositions open,
According to mass percentage meter, the composition includes following component:
N-Propyl Bromide 2-35%；
Mannich base 2-35%；
Boronation polyisobutylene succinamide 2-35%；
New the eleventh of the twelve Earthly Branches polylol ester 5-80%；
Metal inhibitor 0-0.2%；
Surplus is mineral base oil.
Further, the mass percentage of n-Propyl Bromide is 8-20% in the composition.
Further, the mass percentage of Mannich base is 4-15% in the composition；
Further, the mass percentage of boronation polyisobutylene succinamide is 3- in the composition
15%；
Further, the mass percentage of new the eleventh of the twelve Earthly Branches polylol ester is 6-15% in the composition.
Second aspect, the embodiment of the invention provides a kind of car engine lubrication system greasy filth to exempt to tear cleaning compositions open
Preparation method, the composition are above-mentioned any composition, are included the following steps:
Mineral base oil is put into reconciliation kettle, temperature is promoted to 80 DEG C；While stirring, boronation polyisobutene
Base succimide, Mannich base, new the eleventh of the twelve Earthly Branches polylol ester and metal inhibitor are thrown to Mixer pot and are stirred, the temperature of stirring
Degree are as follows: 80 ± 2 DEG C, revolving speed is set to 60-80 revs/min；After reconciling 30 minutes, under sealed conditions, n-Propyl Bromide is added
Continue stirring 10 minutes, the temperature of stirring is room temperature, and revolving speed is set to 40-60 revs/min to get the composition.
The third aspect, exempts to tear cleaning compositions open and exists the embodiment of the invention provides a kind of car engine lubrication system greasy filth
Application in automobile engine cleaning, the composition are above-mentioned any composition, are 80-100 DEG C using temperature.
According to the above aspect of the present invention, car engine lubrication system greasy filth of the present invention is exempted to tear cleaning compositions and preparation method open and be answered
With at least have it is following the utility model has the advantages that
The application uses n-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide and new the eleventh of the twelve Earthly Branches polylol ester
It combines, can effectively remove, disperse carbon distribution and greasy filth in engine lubrication system, while can present again good wear-resistant
Antifriction quality, it is ensured that engine lubrication system machine component will not be worn.
N-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide and the new the eleventh of the twelve Earthly Branches Quito member used in the application
Alcohol ester has efficient synergy, car engine lubrication system greasy filth can be made to exempt to tear open under the conditions of 80-100 DEG C of high temperature
Cleaning compositions significantly improve the carbon distribution and greasy filth removal rate of engine lubrication system, and have good dispersibility.
Specific embodiment
Understanding for the ease of those skilled in the art to the present invention program, combined with specific embodiments below to present invention side
Case is further elaborated, it should be understood that the embodiment of the present invention is the explanation to the present invention program, not as to the present invention
The restriction of protection scope.
The embodiment of the invention provides a kind of car engine lubrication system greasy filth to exempt to tear cleaning compositions open, according to quality hundred
Divide content meter, the composition includes following component:
N-Propyl Bromide 2-35%；
Mannich base 2-35%；
Boronation polyisobutylene succinamide 2-35%；
New the eleventh of the twelve Earthly Branches polylol ester 5-80%；
Metal inhibitor 0-0.2%；
Surplus is mineral base oil.
It is of the invention it is some be in strength, the mass percentage of n-Propyl Bromide is 8-20% in the composition.
It is of the invention it is some be in strength, the mass percentage of Mannich base is 4-15% in the composition；
It is of the invention it is some be the quality hundred of boronation polyisobutylene succinamide in the composition in strength
Dividing content is 3-15%；
It is of the invention it is some be in strength, the mass percentage of new the eleventh of the twelve Earthly Branches polylol ester is 6- in the composition
15%.
Second aspect, the embodiment of the invention provides a kind of car engine lubrication system greasy filth to exempt to tear cleaning compositions open
Preparation method, the composition are above-mentioned any composition, are included the following steps:
Mineral base oil is put into reconciliation kettle, temperature is promoted to 80 DEG C；While stirring, boronation polyisobutene
Base succimide, Mannich base, new the eleventh of the twelve Earthly Branches polylol ester and metal inhibitor are thrown to Mixer pot and are stirred, the temperature of stirring
Degree are as follows: 80 ± 2 DEG C, revolving speed is set to 60-80 revs/min；After reconciling 30 minutes, under sealed conditions, n-Propyl Bromide is added
Continue stirring 10 minutes, the temperature of stirring is room temperature, and revolving speed is set to 40-60 revs/min to get the composition.
The third aspect, exempts to tear cleaning compositions open and exists the embodiment of the invention provides a kind of car engine lubrication system greasy filth
Application in automobile engine cleaning, the composition are above-mentioned any composition, are 80-100 DEG C using temperature.
The application uses n-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide and new the eleventh of the twelve Earthly Branches polylol ester
It combines, can effectively remove, disperse carbon distribution and greasy filth in engine lubrication system, while can present again good wear-resistant
Antifriction quality, it is ensured that engine lubrication system machine component will not be worn.
During more oil change, the cleaning agent containing solvent has good spatter property, but can remain in crankcase
It is interior, pollute new lubricating oil product；Only lean on mineral base oil and detergent-dispersant additive that can not effectively remove lubricating system again without solvent
Greasy filth, it appears that this is a kind of contradiction being difficult to resolve.By largely testing, we are delightedly had found, tool suitable using volatility
There is the solvent of good cleaning force to combine with the special detergent-dispersant additive with good lubrication degree, lube system can be effectively removed
The greasy filth of system, while good cleaning force and very active are kept, the abrasion between engine machine component will not be aggravated, also not
The lubricating oil product newly replaced can be polluted.The car engine lubrication system greasy filth that this patent is stated exempt to tear open cleaning compositions be by
N-Propyl Bromide, boronation polyisobutylene succinamide and metal inhibitor are constituted.
N-Propyl Bromide
Up to the present for obstinate lubricating system greasy filth, still with chlorinated solvent economical and effective the most.But it is based on ring
It protects and human-body safety, most of chlorinated solvent is limited or forbidden.Trichloro ethylene KB value is 129, the KB value of n-Propyl Bromide
It is 125, the relatively chlorinated solvent in dissolving power can effectively remove the greasy filth in lubricating system.
The evaporation rate of n-Propyl Bromide is 0.96, high than the volatility of trichloro ethylene (0.57), distinctive is waved by its
Characteristic is sent out, during cleaning, ingredient slowly volatilizees, and after clean construction, will volatilize totally.Automobile engine
Lubricating system greasy filth exempts to tear the remaining component of cleaning compositions, including 250SN lube base oil, lubricating oil quietness dispersing agent open,
Even if residual will not pollute new lubricating oil product, because these raw materials are all the common base oil of lubricating oil and quiet dispersion
Agent.
N-Propyl Bromide has no adverse effect most of rubber, and to steel, aluminium and copper also without corrosivity, in addition it is not dodged
The characteristic of point improves the car engine lubrication system greasy filth and exempts to tear the safety of cleaning compositions lubricating system clean construction open
And storing stability.
There are mainly two types of for the preparation method of n-Propyl Bromide.One: reacted with hydrobromic acid by normal propyl alcohol and obtained.By hydrobromic acid
It is added in the concentrated sulfuric acid, adds normal propyl alcohol, be heated to reflux 0.5h, all steam in the 70-75 DEG C of N-Propyl Bromide by generation, then use
Concentrated hydrochloric acid is washed, then being neutralized to pH with sodium carbonate is 7.It is dried, filtered with anhydrous sodium sulfate, filtrate distillation is collected 69-74 DEG C and evaporated
Point, obtain N-Propyl Bromide.Two: reacted with sodium bromide by normal propyl alcohol and obtained.Normal propyl alcohol and water, sodium bromide are heated to flowing back together, protected
69-72 DEG C of dropwise addition sulfuric acid is held, is finished, the 2h that flows back is continued, 68-100 DEG C of distillate is collected in distillation, is washed till with sodium carbonate liquor
Property, redistillation collects 68-76 DEG C of distillate up to N-Propyl Bromide.By many experiments room and real steering vectors, it has been found that positive bromine
Propane exempts to tear open the usage amount in cleaning compositions in 2-35% in car engine lubrication system greasy filth, and preferably additive amount is in 8-
20%.
Mannich base
Mannich base is the condensation product of polyisobutenyl substituted phenol and aldehyde and amine.Preparation for Mannich base, first
It needs to be alkylated phenol or single ortho alkyl phenol with polyolefin to react to obtain alkylation production
Then object is carried out Mannich reaction and Mannich base is made by alkylate and aldehyde, amine again.The quiet effective component of Mannich base
It is the condensation product of alkyl-substituted phenols, aldehyde and amine, has as lubricating oil cleaning agent for low temperature position deposit peace and quiet well
Performance, while as fuel oil cleaning agent, to removing and inhibit the generation of the high temperature site deposition objects such as intake valve also highly effective.Through
Cross a large amount of laboratories and real steering vectors, it has been found that Mannich base exempts to tear cleaning combination open in car engine lubrication system greasy filth
Usage amount in object is in 2-35%, and preferably additive amount is in 4-15%.
Boronation polyisobutylene succinamide
Macromolecule polyisobutylene succinamide is also solved except excellent oil-soluble is kept containing the peace and quiet of metallic element
The insurmountable high and low temperature greasy filth dispersibility of agent, is widely used in lubricating oil.Macromolecule boronation polyisobutenyl fourth
Imidodicarbonic diamide is to carry out obtained from complex reaction on the basis of polyisobutylene succinamide with boric acid.In addition to having
Other than good dispersibility, boron molecule exists in lubricating oil with half glue spherical particle, in the reciprocating motion of piston, in piston
The particle membrane that a kind of spherical particle is formed between ring and casing wall is changed to multiple spot friction by original existing friction, to reduce
Piston to the friction of cylinder body, plays the role of good antiwear and antifriction during exercise.
Macromolecule boronation polyisobutylene succinamide synthetic method: the specific steps of which are as follows: present apparatus hydrocarbonylation uses
Hot adduction technique, under the conditions of one is qualitative, polyphosphazene polymer isobutene and maleic anhydride hydrocarbonylation adduction obtain polyphosphazene polymer isobutene
Base succinic anhydride, macromolecule acid anhydrides carry out aminating reaction with polyamines polyene again, generate polyphosphazene polymer isobutenyl succinic acid imines
And water.Through decompression dehydration, finished product is obtained by filtration in exquisiteness.Macromolecule polyisobutylene succinamide is complexed with boric acid again
Reaction, filtering exquisiteness obtain macromolecule boronation polyisobutylene succinamide and water, and through decompression dehydration, exquisiteness is obtained by filtration into
Product.
By many experiments room and real steering vectors, it has been found that boronation polyisobutylene succinamide is in car engine
Machine lubricating system greasy filth exempts to tear open the usage amount in cleaning compositions in 2-35%, and preferably additive amount is in 3-15%.
New the eleventh of the twelve Earthly Branches polylol ester
New the eleventh of the twelve Earthly Branches polylol ester is to be reacted to be made with one or more monoacid by new the eleventh of the twelve Earthly Branches polylol, molecule knot
Structure has more than two ester groups.The maximum feature of new the eleventh of the twelve Earthly Branches polylol esters base oil be in ester molecule containing multiple ester bond (-
COOR), ester molecule is imparted with polarity.Thus, new the eleventh of the twelve Earthly Branches polylol ester has more excellent compared with other types of base oil
Performance and application characteristic more.It is tested by four ball frictional testing machines, the coefficient of friction of new the eleventh of the twelve Earthly Branches polylol ester is 0.15, resistance to lotus
Gravity/0.1MPa is 5.5, and wear scar diameter/mm is 0.64, and polar structure assigns Esters oil special lubrication performance, unique point
Sub- suction-operated forms stable oil film on interface, similar friction improver, thus can improve the lubricity of oil product, is cleaning
During will not cause the abrasions of engine components because the viscosity of detergent is too low again.In addition, new the eleventh of the twelve Earthly Branches polylol ester
Polarity helps to increase the solubility of oil palm primary oxidation product and greasy filth, has excellent cleaning force, can effectively remove oil
Mud and carbon distribution.The characteristics of according to new the eleventh of the twelve Earthly Branches polylol ester, exempts to tear open in cleaning compositions in the car engine lubrication system greasy filth,
The additive amount of new the eleventh of the twelve Earthly Branches polylol ester is 5-80%, and preferably additive amount is 6-15%.
The present invention program is described further below with reference to specific data
A kind of car engine lubrication system greasy filth exempts to tear cleaning compositions open, based on mass percentage, including such as the following group
Point:
N-Propyl Bromide 15.53%
Boronation polyisobutylene succinamide 5.26%
Mannich base 10.38%
New the eleventh of the twelve Earthly Branches polylol ester (kinematic viscosity: 100 DEG C, 3.5mm2/s；40 DEG C, 10mm2/s) 7.22%
Metal inhibitor 0.2%
Mineral base oil (70N) 61.41%
Reconciliation technique:
Mineral base oil is put into reconciliation kettle, temperature is promoted to 80 DEG C；While stirring, boronation polyisobutene
Base succimide, Mannich base, new the eleventh of the twelve Earthly Branches polylol ester and metal inhibitor are thrown to Mixer pot and are stirred, stirring
Temperature are as follows: 80 ± 2 DEG C, revolving speed is set to 60-80 revs/min；After reconciling 30 minutes, under sealed conditions, n-Propyl Bromide plus
Enter to continue stirring 10 minutes, the temperature of stirring is room temperature, and revolving speed is set to 40-60 revs/min.
Greasy filth clean rate optimal screening.
Exempt to tear open in cleaning compositions in the car engine lubrication system greasy filth, n-Propyl Bromide, Mannich base, boronation are gathered different
Cyclobutenyl succimide, new the eleventh of the twelve Earthly Branches polylol ester value determine the clean degree of greasy filth.It is repeatedly debugged by laboratory,
We obtain the optimal mixed proportion of following cost performance, as shown in table 1.
1 car engine lubrication system greasy filth of table exempts to tear cleaning compositions greasy filth clean rate optimal screening open
Note: * by " automobile engine oil criteria for changing oil " appendix A of GB/T7607 1 lubrication oil filter paper detection method regulation into
Row.
Test purpose: detection car engine lubrication system greasy filth exempts to tear the optimal proportion of cleaning compositions mixing open.
Test result: after testing, it has been found that n-Propyl Bromide value 15.53%, Mannich base value 10.38%, boron
Change polyisobutylene succinamide value 5.26%, new the eleventh of the twelve Earthly Branches polylol ester 7.22%, metal inhibitor value 0.2% adds
Hydrogen refines mineral base oil on 61.41%, and using greasy filth spot filter paper test method, greasy filth clean rate can achieve 95%.
When the value ratio of n-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol ester continues to rise
When, do not find that the car engine lubrication system greasy filth exempts to tear cleaning compositions greasy filth carbon distribution clean rate open and has apparent change
Change；When n-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol ester content decline when
It waits, it is found that the car engine lubrication system greasy filth exempts to tear cleaning compositions greasy filth carbon distribution clean rate open and significantly decrease.
The friction property improved rate optimal screening.
Exempt to tear open in cleaning compositions in the car engine lubrication system greasy filth, Mannich base, boronation polyisobutenyl fourth
Imidodicarbonic diamide, new the eleventh of the twelve Earthly Branches polylol ester value determine friction improve performance degree.It is repeatedly debugged by laboratory, we
Obtain the optimal mixed proportion of following cost performance, as shown in table 2.
2 car engine lubrication system greasy filth of table exempts to tear the optimal screening that cleaning compositions friction improves performance open
Note: * is exempted to tear cleaning compositions open by car engine lubrication system greasy filth
Test purpose: the optimal screening that car engine lubrication system greasy filth exempts to tear open cleaning compositions friction improvement performance is clear
The optimal proportion of cleansing composition mixing.
Test result: after testing, it has been found that boronation polyisobutylene succinamide value is 5.26%, new the eleventh of the twelve Earthly Branches base
7.22%, metal inhibitor is added hydrogen refining mineral base oil 87.52%, is moistened using automobile engine polyol ester 0%
Sliding system greasy filth exempts to tear the optimal screening proved recipe method that cleaning compositions friction improves performance open, and coefficient of friction can drop to 0.0982.When
N-Propyl Bromide value is 0, Mannich base 0, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol ester ratio continue
When rising, the friction improvement rate for not finding that the car engine lubrication system greasy filth exempts to tear open cleaning compositions has significantly
It improves；When n-Propyl Bromide value is 0, Mannich base value is 0, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol
When the content decline of ester, it is found that the car engine lubrication system greasy filth is exempted to tear open cleaning compositions friction improvement rate and had obviously
Decline.
Test result one: after testing, it has been found that n-Propyl Bromide value 15.53%, Mannich base value 10.38%,
Boronation polyisobutylene succinamide value 5.26%, new the eleventh of the twelve Earthly Branches polylol ester value 7.22%, metal inhibitor value
0.2%, add hydrogen to refine mineral base oil value 61.41%, using greasy filth spot filter paper test method, greasy filth clean rate can reach
To 95%.When the value of n-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol ester continues
When rising, do not find that the car engine lubrication system greasy filth is exempted to tear cleaning compositions greasy filth carbon distribution clean rate open and had obviously
Variation；When the value of n-Propyl Bromide, Mannich base, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol ester declines
When, it is found that the car engine lubrication system greasy filth exempts to tear cleaning compositions greasy filth carbon distribution clean rate open and significantly decreases.
Test result two: after testing, it has been found that boronation polyisobutylene succinamide value is 5.26%, new the eleventh of the twelve Earthly Branches
For polylol ester 7.22%, metal inhibitor adds hydrogen refining mineral base oil 87.52%, using automobile engine 0%
Lubricating system greasy filth exempts to tear the optimal screening proved recipe method that cleaning compositions friction improves performance open, and coefficient of friction can drop to 0.0982.
When n-Propyl Bromide value is 0, Mannich base 0, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches polylol ester ratio after
When continuous rising, the friction improvement rate for not finding that the car engine lubrication system greasy filth exempts to tear open cleaning compositions has obviously
Raising；When n-Propyl Bromide value is 0, Mannich base value is 0, boronation polyisobutylene succinamide, new the eleventh of the twelve Earthly Branches Quito member
When the content decline of alcohol ester, find the car engine lubrication system greasy filth exempt to tear open cleaning compositions friction improvement rate have it is bright
Aobvious decline.
The above is only embodiments herein, are not intended to limit this application.To those skilled in the art,
Various changes and changes are possible in this application.It is all within the spirit and principles of the present application made by any modification, equivalent replacement,
Improve etc., it should be included within the scope of the claims of this application.
Claims (7)
1. a kind of car engine lubrication system greasy filth exempts to tear cleaning compositions open, which is characterized in that according to mass percentage meter,
The composition includes following component:
N-Propyl Bromide 2-35%；
Mannich base 2-35%；
Boronation polyisobutylene succinamide 2-35%；
New the eleventh of the twelve Earthly Branches polylol ester 5-80%；
Metal inhibitor 0-0.2%；
Surplus is mineral base oil.
2. composition according to claim 1, which is characterized in that the quality percentage of n-Propyl Bromide contains in the composition
Amount is 8-20%.
3. composition according to claim 1, which is characterized in that the quality percentage of Mannich base contains in the composition
Amount is 4-15%.
4. composition according to claim 1, which is characterized in that boronation polyisobutenyl succinyl in the composition
The mass percentage of imines is 3-15%.
5. composition according to claim 1, which is characterized in that the quality of new the eleventh of the twelve Earthly Branches polylol ester in the composition
Percentage composition is 6-15%.
6. a kind of car engine lubrication system greasy filth exempts to tear the preparation method of cleaning compositions open, the composition is wanted for right
Seek the described in any item compositions of 1-5, which comprises the steps of:
Mineral base oil is put into reconciliation kettle, temperature is promoted to 80 DEG C；While stirring, boronation polyisobutenyl fourth
Imidodicarbonic diamide, Mannich base, new the eleventh of the twelve Earthly Branches polylol ester and metal inhibitor are thrown to Mixer pot and are stirred, the temperature of stirring
Are as follows: 80 ± 2 DEG C, revolving speed is set to 60-80 revs/min；Reconcile 30 minutes after, under sealed conditions, n-Propyl Bromide be added after
The temperature of continuous stirring 10 minutes, stirring is room temperature, and revolving speed is set to 40-60 revs/min to get the composition.
7. a kind of car engine lubrication system greasy filth exempts to tear application of the cleaning compositions in automobile engine cleaning, feature open
It is, the composition is the described in any item compositions of claim 1-5, is 80-100 DEG C using temperature.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548868A (en) * | 2020-06-03 | 2020-08-18 | 北京一元驭宝贸易有限公司 | Cleaning and carbon removing material for secondary ring of engine |
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Application publication date: 20190531 |