CN110156928A - A kind of preparation method for dispersing wear-resistant type boronation viscosity index improver - Google Patents
A kind of preparation method for dispersing wear-resistant type boronation viscosity index improver Download PDFInfo
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- CN110156928A CN110156928A CN201910457252.XA CN201910457252A CN110156928A CN 110156928 A CN110156928 A CN 110156928A CN 201910457252 A CN201910457252 A CN 201910457252A CN 110156928 A CN110156928 A CN 110156928A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F255/00—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00
- C08F255/02—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms
- C08F255/04—Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group C08F10/00 on to polymers of olefins having two or three carbon atoms on to ethene-propene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
- C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/42—Introducing metal atoms or metal-containing groups
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M145/00—Lubricating compositions characterised by the additive being a macromolecular compound containing oxygen
- C10M145/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C10M145/10—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M155/00—Lubricating compositions characterised by the additive being a macromolecular compound containing atoms of elements not provided for in groups C10M143/00 - C10M153/00
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
- C10N2020/01—Physico-chemical properties
- C10N2020/02—Viscosity; Viscosity index
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/02—Pour-point; Viscosity index
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/04—Detergent property or dispersant property
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/52—Base number [TBN]
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/25—Internal-combustion engines
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
- C10N2060/00—Chemical after-treatment of the constituents of the lubricating composition
- C10N2060/14—Chemical after-treatment of the constituents of the lubricating composition by boron or a compound containing boron
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Abstract
The invention discloses a kind of preparation methods for dispersing wear-resistant type boronation viscosity index improver, and ethylene-propylene copolymer dry glue is added in base oil, dissolve by heating, obtain Propylene polymerization composition glue liquid；Maleic anhydride and radical initiator are added in Propylene polymerization composition glue liquid, carries out graft reaction, obtains acid anhydrides glue；Aminating agent is added in acid anhydrides glue and organic solvent after mixing, aminating reaction is carried out, obtains amidation viscosity index improver；Boronating agent and catalyst is added in amidation viscosity index improver and organic solvent after mixing, boronation reaction is carried out, obtains dispersing wear-resistant type boronation viscosity index improver.When modifier of the invention is applied to I. C. engine oil while keeping excellent thickening capabilities and anti-shear ability, also there is certain peptizaiton and wear-resistant effect, the good detergent-dispersant performance energy of I. C. engine oil and abrasion resistance can be kept while dispersion and antiwear additive in reducing I. C. engine oil.
Description
Technical field
The present invention relates to modifying agent technical fields, and in particular to a kind of system for dispersing wear-resistant type boronation viscosity index improver
Preparation Method.
Background technique
I. C. engine oil be usually by base oil and functional agent (such as detersive, dispersing agent, antioxygen antiwear additive), pour-point depressant,
Viscosity index improver etc. is modulated.I. C. engine oil generally uses ethylene-propylene copolymer (OCP) to be used as viscosity index improver,
To increase the viscosity of I. C. engine oil, viscosity index (VI) is improved.In previous report, there is distributed viscosity index improver, point
The preparation method of antioxidant viscosity index improver is dissipated, the especially appearance of dispersant antioxidant viscosity index improver can subtract
In few I. C. engine oil dispersing agent plus dosage, improve the detergent-dispersant performance and inoxidizability of I. C. engine oil.
On the basis of the synthesis of Dispersant viscosity index improver, the viscosity of boronation can be prepared by introducing boron element
Index improver makes it have both dispersion and antiwear characteristics, can be in reducing I. C. engine oil while dispersion and antiwear additive
Keep the good detergent-dispersant performance energy of I. C. engine oil and abrasion resistance.
At present in several big performances of I. C. engine oil, detergency is mainly by sulfonate, alkyl monosulfide phenates and alkyl salicylate
Salt provides, and dispersibility is provided by all kinds of polyisobutene succinimide type ashless dispersants, and antioxidant and antiwear property is mainly by phenolic ester type
The additives such as antioxidant, amine type antioxidant, ZDDP, molybdenum salt provide.
With in I. C. engine oil, sulphur, the limitation of phosphorus element content and the increase of molybdenum salt cost, domestic and international researcher start
Boron is added into I. C. engine oil to strengthen the abrasion resistance of I. C. engine oil.By polyisobutene succinimide type ashless dispersant into
The introducing of row boronation, available boronation polyisobutene succinimide dispersing agent, boron element can be such that ashless dispersant has
Certain antioxidant and wear resistence, improves the abrasion resistance of oil product, but the ashless dispersant of boronation itself dispersion performance
It can weaken because of the introducing of boron element.
Summary of the invention
Aiming at the shortcomings existing in the above problems, the present invention provides a kind of wear-resistant type boronation viscosity index (VI) improvement of dispersion
The preparation method of agent.
The invention discloses a kind of preparation methods for dispersing wear-resistant type boronation viscosity index improver, comprising:
Ethylene-propylene copolymer dry glue is added in base oil step 1, dissolves by heating, obtains Propylene polymerization composition glue liquid；
Maleic anhydride and radical initiator is added in step 2 in the Propylene polymerization composition glue liquid, be grafted anti-
It answers, obtains acid anhydrides glue；
Aminating agent is added in the acid anhydrides glue and organic solvent by step 3 after mixing, is carried out aminating reaction, is obtained
To amidation viscosity index improver；
Boronating agent and catalysis is added in the amidation viscosity index improver and organic solvent by step 4 after mixing
Agent carries out boronation reaction, obtains dispersing wear-resistant type boronation viscosity index improver.
As a further improvement of the present invention, in step 1:
The ethylene-propylene copolymer dry glue includes one of third glue of ethylene-propylene diene copolymer and binary second or a variety of；
The molecular weight of the ethylene-propylene copolymer dry glue is 60000-100000.
As a further improvement of the present invention, in step 1:
The temperature of the heating for dissolving is 100 DEG C -150 DEG C；
The content of ethylene-propylene copolymer dry glue is 8wt%-12wt% in the Propylene polymerization composition glue liquid.
As a further improvement of the present invention, in step 2:
The radical initiator includes benzoyl peroxide, di-t-butyl peroxide, cumyl peroxide, tert-butyl
One of hydrogen peroxide and azodiisobutyronitrile are a variety of.
As a further improvement of the present invention, in step 2:
The additional amount of the maleic anhydride is the 0.2%-1.5% of the Propylene polymerization composition glue liquid quality；
The additional amount of the radical initiator is the 0.2%-0.5% of the Propylene polymerization composition glue liquid quality.
As a further improvement of the present invention, in step 2:
The temperature of the graft reaction is 130-150 DEG C.
As a further improvement of the present invention, in step 3:
The organic solvent includes 120# solvent naphtha, toluene, benzene, dimethylbenzene, 60-90# petroleum ether and 90-120# petroleum ether
One of or it is a variety of；
The aminating agent includes in ethylenediamine, diethylenetriamine, triethylene tetramine, tetraethylenepentamine and polyethylene polyamine
It is one or more.
As a further improvement of the present invention, in step 3:
The temperature of the aminating reaction is 120 DEG C -150 DEG C.
As a further improvement of the present invention, in step 4:
The organic solvent includes 120# solvent naphtha, toluene, benzene, dimethylbenzene, 60-90# petroleum ether and 90-120# petroleum ether
One of or it is a variety of；
The boronating agent includes one of boric acid, metaboric acid and borate or a variety of；
The catalyst includes one of propyl alcohol, isopropanol, n-butanol, isobutanol and n-amyl alcohol or a variety of.
As a further improvement of the present invention, in step 4:
The temperature of the boronation reaction is 100 DEG C -150 DEG C.
Compared with prior art, the invention has the benefit that
Present invention determine that synthesis disperse wear-resistant type boronation viscosity index improver needed for raw material type and synthesis item
Part；Compared with common viscosity index improver, excellent thickening is being kept when modifier of the invention is applied to I. C. engine oil
While ability and anti-shear ability, also there is certain peptizaiton and wear-resistant effect, can divide in reducing I. C. engine oil
It dissipates and keeps the good detergent-dispersant performance energy of I. C. engine oil and abrasion resistance while antiwear additive.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in the embodiment of the present invention
Technical solution is clearly and completely described, it is clear that and described embodiment is a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Every other embodiment obtained is put, shall fall within the protection scope of the present invention.
The present invention is described in further detail below:
The present invention provides a kind of preparation method for dispersing wear-resistant type boronation viscosity index improver, comprising:
Step 1, selection raw material
A series of ethylene-propylene copolymer dry glues, such as ethylene-propylene diene copolymer, the third glue of binary second have been screened, these ethylene-propylene copolymers
Molecular weight ranges can choose 10000-1000000, preferably 20000-500000, more preferable 40000-300000, most preferably
60000-100000。
Step 2, glue preparation
Ethylene-propylene copolymer dry glue is added in base oil, dissolves by heating, obtains Propylene polymerization composition glue liquid；
Specifically:
Ethylene-propylene copolymer dry glue is added plus hydrogen or not in hydrogenated base oil, certain temperature is heated to, dissolves a few hours, system
It obtains Propylene polymerization composition glue liquid (OCP glue)；Wherein, the range that collosol temperature can choose be 50-200 DEG C, preferably 80-180 DEG C,
Most preferably 100-150 DEG C；The range that the content of ethylene-propylene copolymer dry glue can choose in Propylene polymerization composition glue liquid is 3wt%-
20wt%, preferably 5wt%-15wt%, most preferably 8wt%-12wt%.
Step 3, graft reaction
Maleic anhydride and radical initiator are added in Propylene polymerization composition glue liquid, carries out graft reaction, obtains acid
Anhydridization glue；
Specifically:
Propylene polymerization composition glue liquid is heated to certain temperature, a certain proportion of maleic anhydride is put into and free radical causes
Agent, graft reaction certain time purge out unreacted low boiling component with nitrogen, obtain acid anhydrides glue (acid anhydrides OCP glue
Liquid)；Wherein, the inventory of maleic anhydride is 0.05%-5%, the preferably 0.1%-3% of glue quality, most preferably
0.2%-1.5%；The inventory of radical initiator is 0.01%-2%, the preferably 0.1%-1% of glue quality, most preferably
0.2%-0.5%, the type of radical initiator include but is not limited to benzoyl peroxide, di-t-butyl peroxide, peroxide
Change diisopropylbenzene (DIPB), tert-butyl hydroperoxide, azodiisobutyronitrile etc.；The selectable range of graft reaction temperature is 100-200 DEG C,
It is preferred that 120-180 DEG C, most preferably 130-150 DEG C.
Step 4, aminating reaction
Aminating agent is added in acid anhydrides glue and organic solvent after mixing, carries out aminating reaction, it is viscous to obtain amidation
Spend index improver；
Specifically:
By acid anhydrides glue and organic solvent (including but not limited to 120# solvent naphtha, toluene, benzene, dimethylbenzene, 60-90#
Petroleum ether, 90-120# petroleum ether etc.) be mixed in a certain ratio uniformly after, be added dropwise to a certain proportion of aminating agent (including but not office
It is limited to ethylenediamine, diethylenetriamine, triethylene tetramine, tetraethylenepentamine, polyethylene polyamine etc.), at a temperature of 120-150 DEG C
Reaction a few hours and the water that solvent and generation is evaporated off, obtained aminate are amidation viscosity index improver (amidation OCP
Glue).
Step 5, boronation reaction
Boronating agent and catalyst is added in amidation viscosity index improver and organic solvent after mixing, carries out boronation
Reaction, obtains dispersing wear-resistant type boronation viscosity index improver；
Specifically:
By amidation viscosity index improver and organic solvent (including but not limited to 120# solvent naphtha, toluene, benzene, two
Toluene, 60-90# petroleum ether, 90-120# petroleum ether etc.) be mixed in a certain ratio uniformly after, a certain proportion of boronating agent is added
(including but not limited to boric acid, metaboric acid, borate etc.) and catalyst (including but not limited to propyl alcohol, isopropanol, positive fourth
Alcohol, isobutanol, n-amyl alcohol etc.), a few hours are reacted under Yu Yiding reaction temperature, and solvent and low boiling component is evaporated off, is had
Disperse the boronation viscosity index improver (boronation OCP glue) of abrasion resistance；Wherein, the selectable range of boronation reaction temperature is
80-200 DEG C, preferably 90-160 DEG C, most preferably 100-150 DEG C.
Embodiment:
The present invention provides a kind of preparation method for dispersing wear-resistant type boronation viscosity index improver, comprising:
The preparation of embodiment 1:OCP glue
In tri- mouthfuls of vials of 1000ml, 662.4 grams of 150N base oils are added, and put into 73.6 grams of OCP into base oil
Dry glue fragment (Jilin Chemical J-0010, molecular weight 94000), 130 DEG C are stirred 5 hours, obtain the OCP glue that dry rubber content is 10.0wt%
Liquid.
Through detecting, 100 DEG C of kinematic viscosity of OCP glue are 662mm2/ s, turbidity 1.29NTU.
Embodiment 2: the preparation of acid anhydrides OCP glue
In tri- mouthfuls of vials of 500ml, prepared by embodiment 1 160 grams of OCP glue are added, heating stirring adds to 150 DEG C
Enter 1.6 grams of maleic anhydrides and 0.5 gram of cumyl peroxide, reacts 3 hours at this temperature.After reaction by three mouthfuls
Bottle is evacuated to -0.1Mpa, isolates unreacted maleic anhydride and other low boiling components, obtains the OCP of acid anhydrides
Glue.
Through detecting, 100 DEG C of kinematic viscosity of reaction product are 684mm2/ s, saponification number 8.8mgKOH/g.
Embodiment 3: the preparation of amidation OCP glue
In tri- mouthfuls of vials of 500ml, 100 grams of acid anhydrides OCP glue prepared by embodiment 2 is added, is then added 100 grams
Toluene stirs evenly and is heated to 60 DEG C, is added dropwise 0.75 gram of tetraethylenepentamine, and primary amine groups and acid anhydrides carbonyl rubs in reaction system
You are than being 1:2.Tetraethylenepentamine is added dropwise, and material in bottle is slowly heated to 130 DEG C and is reacted 6 hours, and solvent and anti-is evaporated off
The water that should be generated obtains amidated OCP glue.
Through detecting, 100 DEG C of kinematic viscosity of reaction product are 1200mm2/s, total base number 6.7mgKOH/g, and nitrogen content is
0.25wt%.
Embodiment 4: the preparation of boronation OCP glue
In tetra- mouthfuls of vials of 500ml, 100 grams of amidation OCP glue prepared by embodiment 3 is added, boric acid is then added
0.8 gram, 3.0 grams of n-butanol and 30 grams of toluene are heated to 110 DEG C and maintain to be stirred to react 3 hours, then heat up in this temperature
It to 150 DEG C, is passed through nitrogen and purges 2 hours, the water that solvent, promotor and reaction generate is blown down completely, the OCP glue of boronation is obtained
Liquid.
Through detecting, 100 DEG C of kinematic viscosity of reaction product are 1480mm2/ s, total base number 6.1mgKOH/g, nitrogen content are
0.25wt%, boron content 0.14%.
3 amidation OCP glue of embodiment and 4 boronation OCP glue of embodiment are called in into 150N base with 10wt%'s plus dosage
Plinth oil, comments its dispersion performance by professional standard (SH/T0623 appendix A ashless dispersant low temperature dispersity rating method)
Valence；And its abrasion resistance is evaluated by professional standard (SH/T0189-92 lubrication oil antiwear damages performance measurement method).
During each assay, used plus dosage is identical.This patent is real it can be seen from evaluation data
The boronation Dispersant viscosity index improver (embodiment 4) prepared in example is compared with (embodiment 3) before boronation, antiwear and antifriction
Before performance is substantially better than boronation, there is preferable antiwear and friction reduction property, while boronation is unfavorable to the generation of its dispersion performance
It influences.
Boronation dispersibility viscosity index improver in the present invention, the boron element in molecule can be adsorbed on metal surface,
Small " ball " is formed, the sliding friction between two metal coverings is become into rolling friction, thus keeping the higher viscosity of oil product
While index, coefficient of friction can be reduced, certain antiwear and reducing friction is played and be used as.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of preparation method for dispersing wear-resistant type boronation viscosity index improver characterized by comprising
Ethylene-propylene copolymer dry glue is added in base oil step 1, dissolves by heating, obtains Propylene polymerization composition glue liquid；
Maleic anhydride and radical initiator is added in step 2 in the Propylene polymerization composition glue liquid, carries out graft reaction,
Obtain acid anhydrides glue；
Aminating agent is added in the acid anhydrides glue and organic solvent by step 3 after mixing, is carried out aminating reaction, is obtained acyl
Amination viscosity index improver；
Boronating agent and catalyst is added in the amidation viscosity index improver and organic solvent by step 4 after mixing, into
The reaction of row boronation, obtains dispersing wear-resistant type boronation viscosity index improver.
2. preparation method as described in claim 1, which is characterized in that in step 1:
The ethylene-propylene copolymer dry glue includes one of third glue of ethylene-propylene diene copolymer and binary second or a variety of；
The molecular weight of the ethylene-propylene copolymer dry glue is 60000-100000.
3. preparation method as described in claim 1, which is characterized in that in step 1:
The temperature of the heating for dissolving is 100 DEG C -150 DEG C；
The content of ethylene-propylene copolymer dry glue is 8wt%-12wt% in the Propylene polymerization composition glue liquid.
4. preparation method as described in claim 1, which is characterized in that in step 2:
The radical initiator includes benzoyl peroxide, di-t-butyl peroxide, cumyl peroxide, t-butyl peroxy
Change one of hydrogen and azodiisobutyronitrile or a variety of.
5. preparation method as described in claim 1, which is characterized in that in step 2:
The additional amount of the maleic anhydride is the 0.2%-1.5% of the Propylene polymerization composition glue liquid quality；
The additional amount of the radical initiator is the 0.2%-0.5% of the Propylene polymerization composition glue liquid quality.
6. preparation method as described in claim 1, which is characterized in that in step 2:
The temperature of the graft reaction is 130-150 DEG C.
7. preparation method as described in claim 1, which is characterized in that in step 3:
The organic solvent includes in 120# solvent naphtha, toluene, benzene, dimethylbenzene, 60-90# petroleum ether and 90-120# petroleum ether
It is one or more；
The aminating agent includes one of ethylenediamine, diethylenetriamine, triethylene tetramine, tetraethylenepentamine and polyethylene polyamine
Or it is a variety of.
8. preparation method as described in claim 1, which is characterized in that in step 3:
The temperature of the aminating reaction is 120 DEG C -150 DEG C.
9. preparation method as described in claim 1, which is characterized in that in step 4:
The organic solvent includes in 120# solvent naphtha, toluene, benzene, dimethylbenzene, 60-90# petroleum ether and 90-120# petroleum ether
It is one or more；
The boronating agent includes one of boric acid, metaboric acid and borate or a variety of；
The catalyst includes one of propyl alcohol, isopropanol, n-butanol, isobutanol and n-amyl alcohol or a variety of.
10. preparation method as described in claim 1, which is characterized in that in step 4:
The temperature of the boronation reaction is 100 DEG C -150 DEG C.
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| CN1214345A (en) * | 1997-10-15 | 1999-04-21 | 乙基公司 | Functionalized olefin copolymer additives |
| CN102653696A (en) * | 2011-03-03 | 2012-09-05 | 中国石油天然气股份有限公司 | Viscosity index improver and preparation method thereof |
| CN103709331A (en) * | 2013-12-25 | 2014-04-09 | 济南开发区星火科学技术研究院 | Preparation method of bononized lubricating oil dispersing agent |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214345A (en) * | 1997-10-15 | 1999-04-21 | 乙基公司 | Functionalized olefin copolymer additives |
| CN102653696A (en) * | 2011-03-03 | 2012-09-05 | 中国石油天然气股份有限公司 | Viscosity index improver and preparation method thereof |
| CN103709331A (en) * | 2013-12-25 | 2014-04-09 | 济南开发区星火科学技术研究院 | Preparation method of bononized lubricating oil dispersing agent |
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