CN103627496A - Composite calcium naphthenate-based lubricating grease and preparation method therefor - Google Patents

Composite calcium naphthenate-based lubricating grease and preparation method therefor Download PDF

Info

Publication number
CN103627496A
CN103627496A CN201210311253.1A CN201210311253A CN103627496A CN 103627496 A CN103627496 A CN 103627496A CN 201210311253 A CN201210311253 A CN 201210311253A CN 103627496 A CN103627496 A CN 103627496A
Authority
CN
China
Prior art keywords
acid
calcium
lubricating grease
calcium naphthenate
add
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201210311253.1A
Other languages
Chinese (zh)
Other versions
CN103627496B (en
Inventor
何懿峰
孙洪伟
段庆华
李玲
刘中其
姜靓
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
Original Assignee
Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sinopec Research Institute of Petroleum Processing, China Petroleum and Chemical Corp filed Critical Sinopec Research Institute of Petroleum Processing
Priority to CN201210311253.1A priority Critical patent/CN103627496B/en
Publication of CN103627496A publication Critical patent/CN103627496A/en
Application granted granted Critical
Publication of CN103627496B publication Critical patent/CN103627496B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Lubricants (AREA)

Abstract

The invention provides a kind of composite calcium naphthenate-based lubricating grease and a preparation method therefor. With the weight of the lubricating grease as a reference, the lubricating grease comprises the following ingredients: 10%-70% of non-Newtonian calcium naphthenate, 1%-10% of calcium salts of high fatty acids, 1%-15% of calcium salts of micromolecule inorganic acids or fatty acids and 10%-80% of lubrication base oil. The lubricating grease employs petroleum calcium naphthenate or synthesized calcium naphthenate as a raw material, and contains composite calcium densifiers. The lubricating grease has good anti-water-spray properties and anti-water spray loss properties, and has good performances of adhesion, extreme pressure antiwear property, colloid stability, high dropping point, heat stability, anti-corrosion and the like.

Description

A kind of complex loop alkanoic acid quicklime grease and preparation method thereof
Technical field
The present invention relates to lubricant, the definite a kind of high base number complex loop alkanoic acid quicklime grease and preparation method thereof that says.
Background technology
High base number calcium naphthenate has good detergent-dispersant performance, good acid neutralization capacity and excellent diffustivity, the purification agent that can be used as lubricating oil, be widely used in the additive of internal combustion (IC) engine lubricating oil, its technical development is mainly to make its high alkalization, exactly calcium carbonate is distributed to and in thinning oil, becomes a kind of colloidal dispersion system with having surface-active naphthenic acid calcium.The acidic components that extract the distillate mostly high base number calcium naphthenate is to obtain from crude distillation, warp and Ca (OH) 2reaction, the contour alkalization technology of carbonating and obtain, the relevant Patents of preparing has CN 1465560 etc.
Utilize the lubricating grease that calcium sulfonate with high base number is raw material production to there is excellent high temperature performance, mechanical stability, colloid stability, oxidation stability, water resisting property, non-corrosibility and antirust resistance to abrasion, since putting goods on the market, cause the extensive concern of domestic and international lubricating grease industry, yet, although high base number composite calcium sulfonate base grease has very excellent over-all properties, but the high price of its raw materials for production calcium sulfonate with high base number and complicated preparation technology itself cause it not promoted rapidly, simultaneously, along with people are more and more higher to the requirement of environment protection, in calcium sulfonate with high base number production process must through sulfonation process the pollution of environment is also received to people's concern day by day.Find a kind of performance and high base number composite calcium sulfonate similar but can avoid the lubricating grease of the problems referred to above to become the large problem that people face at present.
Summary of the invention
The invention provides a kind of complex loop alkanoic acid quicklime grease, it is raw material that this lubricating grease has adopted high base number calcium naphthenate, contains composite calcium viscosifying agent simultaneously.
The present invention also provides above-mentioned preparation of greases method.
Complex loop alkanoic acid quicklime grease provided by the invention, take lubricating grease weight as benchmark, comprises following component:
1) non-newtonian fluid calcium naphthenate 10%-70%, preferably 20%-60%, most preferably 30%-55%;
2) the calcium salt 1%-10% of higher fatty acid, preferably 2%-6%, most preferably 2.2%-4.5%;
3) the calcium salt 1%-15% of small molecules mineral acid and/or small molecules lipid acid, preferably 2%-10%, most preferably 3%-8%;
4) lubricating base oil 10%-80%, preferably 20%-70%, most preferably 30%-60%.
Described non-newtonian fluid calcium naphthenate is at infrared spectrum 873cm -1-886cm -1place occurs that crystal form calcium carbonate charateristic avsorption band, total basicnumber are 250mgKOH/g-450mgKOH/g, preferably 300mgKOH/g-400mgKOH/g.Described non-newtonian fluid calcium naphthenate is to be transformed and obtained by transforming agent by newton's body calcium naphthenate.And in newton's body calcium naphthenate, contain unformed carbonic acid calcium, 860cm in infrared spectrum -1-865cm -1there is charateristic avsorption band in place.Described newton's body calcium naphthenate is petroleum naphthenic acid calcium or synthetic calcium naphthenate, and its total basicnumber is 250mgKOH/g-450mgKOH/g, and preferably 300mgKOH/g-400mgKOH/g, changes into after non-newtonian fluid calcium naphthenate, and its base number is constant.
Said higher fatty acid is that carbon number is 8-20, preferably straight chain fatty acid or the hydroxy fatty acid of 10-16, for example one or more mixtures in lauric acid, palmitinic acid, stearic acid, 12-oxystearic acid, eicosyl carboxylic acid, preferably 12-oxystearic acid.
The molecular weight of said small molecules mineral acid or lipid acid is less than or equal to 150, can be one or more mixture, preferred boric acid and/or the phosphoric acid in acetic acid, oxalic acid, propionic acid, propanedioic acid, butyric acid, succinic acid, boric acid, phosphoric acid, sulfuric acid etc.
Described lubricant base can be mineral oil, synthetic oil, vegetables oil or their mixture, and 100 ° of C kinematic viscosities are 4mm 2/ s-60mm 2/ s, preferably 10mm 2/ s-30mm 2/ s.Synthetic oil can be poly & Alpha ,-olefin oil (PAO), ester class oil, alkyl-silicone oil, Fischer-Tropsch synthesis oil etc.
In lubricating grease of the present invention, can also contain various additives, as oxidation inhibitor, anti-wear agent, rust-preventive agent etc.The preferred arylamine kind antioxidant of oxidation inhibitor wherein, accounts for the 0.1%-5% of lubricating grease gross weight, and preferably 0.2%-1%, can be pentanoic, phenyl-a-naphthylamine, di-iso-octyldiphenylamine or their mixture, preferably di-iso-octyldiphenylamine.Anti-wear agent can be dithio Acidic phosphates zinc, dithio dialkyl amido formic acid molybdenum, dithio dialkyl amido lead formiate, triphenyl thiophosphatephosphorothioate, organic molybdenum complex compound, olefine sulfide, molybdenumdisulphide, tetrafluoroethylene, thiophosphoric acid molybdenum, clorafin, dibutyl dithiocaarbamate antimony, tungsten disulfide, Selenium Sulfide, fluorographite, calcium carbonate and zinc oxide; Rust-preventive agent can be barium mahogany sulfonate, petroleum sodium sulfonate, benzothiazole, benzotriazole, zinc naphthenate and alkenyl succinic acid.
The preparation method of described complex loop alkanoic acid quicklime grease, comprising:
(1) newton's body calcium naphthenate, part base oil and transforming agent are mixed, heated, make material retrogradation;
(2) add lime or calcium hydroxide, add respectively higher fatty acid and small molecules mineral acid or lipid acid, dehydration heats up;
(3) be warmed up to 200 ° of C-220 ° of C constant temperature refinings, cooling, add surplus base oil, add necessary additive, obtain finished product.
Specifically, in step (1), by newton's body calcium naphthenate, part base oil Hybrid Heating to 50 ° C-90 ° C, preferably constant temperature is 10 minutes-30 minutes, adds successively required transforming agent to react, and preferably adds rear stirring about 10 minutes at every turn, react fully, all transforming agents add rear intensification, preferably, 60 ° of C-100 ° of C constant temperature 0.5 hour-3 hours, make material retrogradation.
Described newton's body calcium naphthenate is petroleum naphthenic acid calcium or synthetic calcium naphthenate, its total basicnumber 250mgKOH/g-450mgKOH/g, preferably 300mgKOH/g-400mgKOH/g.
Described transforming agent is selected from fatty alcohol, lipid acid, aliphatic ketone, alkanoic, aliphatic amide, cycloalkanes amine, cycloalkanol, the ether of C1-C5, and boric acid, calcium carbonate, phosphonic acids, carbonic acid gas, phenol, aromatic alcohol, aromatic amine, C8-C20 alkyl benzene sulphonate (ABS), C16-C62 naphthenic acid, one or more in water etc., preferably one or more in Witco 1298 Soft Acid, methyl alcohol, Virahol, butanols, C20-C40 naphthenic acid, acetic acid and water.The add-on of transforming agent is the 2%-30% of newton's body calcium naphthenate weight, preferably 6%-22%.
In step (2), the suspension liquid that adds lime or calcium hydroxide at 85 ° of C-100 ° of C, at 75 ° of C-100 ° of C, add higher fatty acid, stir 5 minutes-20 minutes, add small molecules acid, stir 5 minutes-20 minutes, be warmed up to 105 ° of C-120 ° of C, preferably keep 30 minutes-60 minutes, dehydration, cools to 90 ° of C-105 ° of C;
Said higher fatty acid is that carbon number is 8-20, preferably straight chain fatty acid or the hydroxy fatty acid of 10-16, for example one or more mixtures in lauric acid, palmitinic acid, stearic acid, 12-oxystearic acid, eicosyl carboxylic acid, preferably 12-oxystearic acid.
Said small molecules mineral acid or lipid acid, molecular weight is less than or equal to 150, can be one or more mixture, preferred boric acid and/or the phosphoric acid in acetic acid, oxalic acid, propionic acid, propanedioic acid, butyric acid, succinic acid, boric acid, phosphoric acid, sulfuric acid etc.
The total amount of substance of the H+ OH-total amount of substance contained with calcium hydroxide of higher fatty acid and small molecules acid equate, the amount of calcium hydroxide also can excessive 1%-10%.
In step (3), the product of step (2) is heated up, preferably 100 ° of C-120 ° of C constant temperature is 10 minutes-20 minutes, is finally warmed up to 200 ° of C-220 ° of C constant temperature 5 minutes-10 minutes; Be cooled to 150 ° of C-160 ° of C, add surplus lubricating base oil, treat that temperature is cooled to 100 ° of C-120 ° of C, add necessary additive, stir circulating filtration, homogenizing, the degassed finished product that obtains.
Lubricating grease of the present invention has good extreme pressure anti-wear and overlength lubricating life, meanwhile, also has the performances such as good adhesivity, water resisting property, colloid stability, high dropping point, heat-resistant quality, non-corrosibility, resistance to salt(spray)fog.This product preparation process is simple, constant product quality.
Accompanying drawing explanation
Fig. 1 is the infrared spectrum of the lubricating grease of embodiment 1 preparation.As can be seen from the figure, at 873cm -1-886cm -1there is crystal form calcium carbonate charateristic avsorption band in place.
Embodiment
1, in embodiment, the method for calculation of each component concentration are as follows:
Overbased or the high base number calcium naphthenate raw materials quality+transforming agent total mass of non-newtonian fluid calcium naphthenate %=()/lubricating grease total mass; Transforming agent naphthenic acid, acetic acid, Witco 1298 Soft Acid, methyl alcohol, butanols etc. all count in the content of non-newtonian fluid calcium naphthenate.
The content of the calcium salt of the calcium salt of higher fatty acid and small molecules mineral acid or lipid acid, calculates according to the amount of added higher fatty acid and small molecules mineral acid or lipid acid and calcium hydroxide complete reaction generation calcium salt.
2, in embodiment, overbased and high base number calcium naphthenate raw material is purchased from Xinjiang Land Fine Petrochemical Co., Ltd, also can be according to the preparation method of a CN101885677A(highly basic calcium naphthenate) disclosed method preparation.
3,, in comparative example, calcium sulfonate with high base number raw material is purchased from Jinzhou Hui Fatianhe Chemical Co., Ltd..
Embodiment 1
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 400mgKOH/g, 30kg); 150BS(30kg); C16-C50 naphthenic acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(18kg).
A volume be 110L and with heating, stirring, circulation, cooling normal-pressure reaction kettle in to add 30kg total basicnumber be that naphthenate with superhigh base number calcium and 100 ° of C kinematic viscosity of 30kg of 400mgKOH/g are 31mm 2the HVI150BS lubricating base oil of/s, stirs, and heats to 50 ° of C, constant temperature 10 minutes; Add 2.8kg naphthenic acid, temperature is controlled at 50 ° of C left and right, stirs 10 minutes; The aqueous solution that adds 4 times of the acetic acid of 0.56kg and acetic acid weight, stirs 10 minutes; Be warmed up to 60 ° of C, constant temperature 90 minutes, material retrogradation; Add 1.8kgCa (OH) 2and with 4 times of water-reducible suspension liquids, stir 10 minutes; Add 2kg12-oxystearic acid, stir 10 minutes; Add 2.32kg boric acid and with 3 times of hot water dissolvings, under stirring, be warmed up to 110 ° of C, keep 60 minutes, dehydration, 120 ° of C constant temperature 20 minutes, is warmed up to 200 ° of C constant temperature 5 minutes.Then, be cooled to 160 ° of C, adding 100 ° of C kinematic viscosity of 18kg is 11mm 2the HVI500SN lubricating base oil of/s, circulating filtration, homogenizing, the degassed finished product that obtains.Assay is in Table 1.Product infrared spectrum is shown in Fig. 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Embodiment 2
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 420mgKOH/g, 30kg); 150BS(30kg); C16-C50 naphthenic acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(18kg).
By the method for example 1, prepare overbased complex loop alkanoic acid quicklime grease, the total basicnumber of the naphthenate with superhigh base number calcium that different is uses is 420mgKOH/g, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Embodiment 3
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 400mgKOH/g, 30kg); 150BS(20kg); Butanols (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(28kg).
By the method for example 1, prepare overbased complex loop alkanoic acid quicklime grease, different is to use butanols to replace naphthenic acid, and the amount of base oil also changes to some extent, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Embodiment 4
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 400mgKOH/g, 39kg); 150BS(20kg); Witco 1298 Soft Acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(28kg); To p-di-iso-octyldiphenylamine (0.2kg).
By the method for example 1, prepare overbased complex loop alkanoic acid quicklime grease, different is to replace naphthenic acid with Witco 1298 Soft Acid,, the amount of base oil also changes to some extent, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 44.2%; Lubricating base oil 50.1%; 12-oxystearic acid calcium 2.2%; Lime borate 3.3%; To p-di-iso-octyldiphenylamine 0.2%.
Embodiment 5
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 400mgKOH/g, 30kg); 150BS(15kg); Naphthenic acid (1.8kg); Butanols (1.0kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(7kg); To p-di-iso-octyldiphenylamine (0.4kg).
By the method for example 1, prepare overbased complex loop alkanoic acid quicklime grease, the amount of different is base oil changes to some extent, thereby make each material rate that larger change occur, use is 0.4kg to p-di-iso-octyldiphenylamine in addition, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 54.7%; Lubricating base oil 36.1%; 12-oxystearic acid calcium 3.5%; Lime borate 5.0%; To p-di-iso-octyldiphenylamine 0.7%.
Embodiment 6
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 400mgKOH/g, 30kg); PAO 40(30kg); Witco 1298 Soft Acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); PAO 10(18kg).
By the method for example 1, prepare overbased complex loop alkanoic acid quicklime grease, different is that use Witco 1298 Soft Acid replacement naphthenic acid and 10(100 ° of C kinematic viscosity of use full synthetic oil poly & Alpha ,-olefin oil PAO are 11mm 2/ s) and PAO 40(100 ° of C kinematic viscosity be 41mm 2/ s) replace respectively 500SN and 150BS, each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Embodiment 7
Feed composition: high base number calcium naphthenate (total basicnumber is 320mgKOH/g, 30kg); 150BS(30kg); Naphthenic acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(18kg).
By the method for example 1, prepare high base number complex loop alkanoic acid quicklime grease, the total basicnumber of the high base number calcium naphthenate that different is uses is 320mgKOH/g, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Embodiment 8
Feed composition: high base number calcium naphthenate (total basicnumber is 360mgKOH/g, 30kg); 150BS(30kg); Naphthenic acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(18kg).
By the method for example 1, prepare high base number complex loop alkanoic acid quicklime grease, the total basicnumber of the high base number calcium naphthenate that different is uses is 360mgKOH/g, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Embodiment 9
Feed composition: naphthenate with superhigh base number calcium (total basicnumber is 400mgKOH/g, 30kg); 150BS(15kg); Naphthenic acid (1.8kg); Methyl alcohol (1.0kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(33kg).
By the method for example 1, prepare overbased complex loop alkanoic acid quicklime grease, different is that transforming agent has increased methyl alcohol, and the amount of base oil also changes to some extent, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 38.4%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.5%; Lime borate 3.7%.
Embodiment 10
Feed composition: high base number calcium naphthenate (total basicnumber is 360mgKOH/g, 30kg); 150BS(15kg); Witco 1298 Soft Acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(5.2kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); Phosphoric acid (3kg); 500SN(33kg); To p-di-iso-octyldiphenylamine (0.2kg).
By the method for example 9, prepare high base number complex loop alkanoic acid quicklime grease, different is uses Witco 1298 Soft Acid to replace naphthenic acid, and small molecules acid increased phosphoric acid, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 36.5%; Lubricating base oil 52.5%; 12-oxystearic acid calcium 2.3%; Lime borate 3.3%; Calcium phosphate 5.2%; To p-di-iso-octyldiphenylamine 0.2%.
Embodiment 11
Feed composition: high base number calcium naphthenate (total basicnumber is 360mgKOH/g, 30kg); 150BS(30kg); Naphthenic acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(3kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); Acetic acid (2kg); 500SN(18kg); To p-di-iso-octyldiphenylamine (0.2kg).
By the method for example 9, prepare high base number complex loop alkanoic acid quicklime grease, different is to have increased acetic acid, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that the present embodiment obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium naphthenate 37.3%; Lubricating base oil 53.6%; 12-oxystearic acid calcium 2.4%; Lime borate 3.5%; Lime acetate 3.0%; To p-di-iso-octyldiphenylamine 0.2%.
Comparative example
Feed composition: calcium sulfonate with high base number (320mgKOH/g, 30kg); 150BS(30kg); Witco 1298 Soft Acid (2.8kg); Acetic acid (0.56kg); Ca (OH) 2(1.8kg); 12-oxystearic acid (2kg); Boric acid (2.32kg); 500SN(18kg).
By the method for example 1, prepare high base number composite calcium sulfonate base grease, different is that in reactant, newton's body calcium naphthenate replaces with calcium sulfonate with high base number, and each performance data of lubricating grease finished product obtaining is in Table 1.
In the lubricating grease that this example obtains, take lubricating grease weight as benchmark, consist of: non-newtonian fluid calcium sulphonate 38.5%; Lubricating base oil 55.4%; 12-oxystearic acid calcium 2.4%; Lime borate 3.7%.
Each lubricating grease properties of sample data of table 1
Figure BDA00002066150200101
Continued
Figure BDA00002066150200111
As seen from Table 1, adopt high base number naphthenic acid to be better than the prepared lubricating grease of employing calcium sulfonate with high base number as the performance of the prepared lubricating grease of raw material, especially aspect water resisting property and adhesion, having especially unique advantage, this is the result expecting useless.

Claims (16)

1. a complex loop alkanoic acid quicklime grease, take lubricating grease weight as benchmark, comprises following component:
1) non-newtonian fluid calcium naphthenate 10%-70%; 2) the calcium salt 1%-10% of higher fatty acid; 3) the calcium salt 1%-15% of small molecules acid; 4) lubricating base oil 10%-80%, said small molecules acid is mineral acid or lipid acid.
2. according to lubricating grease claimed in claim 1, wherein take lubricating grease weight as benchmark, comprise following component:
1) non-newtonian fluid calcium naphthenate 20%-60%; 2) the calcium salt 2%-6% of higher fatty acid; 3) the calcium salt 2%-10% of small molecules mineral acid or lipid acid; 4) lubricating base oil 20%-70%.
3. according to lubricating grease claimed in claim 1, wherein said non-newtonian fluid calcium naphthenate is at infrared spectrum 873cm -1-886cm -1there is crystal form calcium carbonate charateristic avsorption band in place.
4. according to lubricating grease claimed in claim 1, wherein said non-newtonian fluid calcium naphthenate total basicnumber is 250mgKOH/g-450mgKOH/g.
5. according to lubricating grease claimed in claim 1, said higher fatty acid is that carbon number is straight chain fatty acid or the hydroxy fatty acid of 8-20.
6. according to lubricating grease claimed in claim 1, said higher fatty acid is selected from one or more mixtures in lauric acid, palmitinic acid, stearic acid, 12-oxystearic acid, eicosyl carboxylic acid.
7. according to lubricating grease claimed in claim 1, the molecular weight of said small molecules mineral acid or lipid acid is less than or equal to 150.
8. according to lubricating grease claimed in claim 1, said small molecules mineral acid is selected from one or more the mixture in boric acid, phosphoric acid, sulfuric acid
9. according to lubricating grease claimed in claim 1, said small molecules lipid acid is selected from one or more the mixture in acetic acid, oxalic acid, propionic acid, propanedioic acid, butyric acid, succinic acid.
10. the preparation method of the described complex loop alkanoic acid of one of claim 1 ~ 9 quicklime grease, comprising: mix newton's body calcium naphthenate, part base oil and transforming agent, heat (1), makes material retrogradation; (2) add lime or calcium hydroxide, add respectively higher fatty acid and small molecules mineral acid or lipid acid, dehydration heats up; (3) be warmed up to 200 ° of C-220 ° of C constant temperature refinings, cooling, add surplus base oil, add necessary additive, obtain finished product.
11. according to preparation method claimed in claim 10, in step (1), by newton's body calcium naphthenate, part base oil Hybrid Heating to 50 ° C-80 ° C, add successively required transforming agent to react, all transforming agents add rear intensification, 80 ° of C-90 ° of C constant temperature 60 minutes-90 minutes, make material retrogradation.
12. according to preparation method claimed in claim 10, in step (2), the suspension liquid that adds lime or calcium hydroxide at 85 ° of C-100 ° of C, adds higher fatty acid at 85 ° of C-100 ° of C, stirs 5 minutes-20 minutes, add small molecules mineral acid or lipid acid, stir 5 minutes-20 minutes, be warmed up to 105 ° of C-120 ° of C, dehydration, cool to 90 ° of C-105 ° of C, the addition sequence of its Fatty Acids and small molecules acid can exchange.
13. according to preparation method claimed in claim 10, in step (3), the product of step (3) is heated up, and 100 ° of C-120 ° of C constant temperature 10 minutes-20 minutes, is finally warmed up to 200 ° C-220 ° C constant temperature 5-10 minute; Be cooled to 150 ° of C-160 ° of C, add surplus lubricating base oil, treat that temperature is cooled to 100 ° of C-120 ° of C, add necessary additive, stir circulating filtration, homogenizing, degassed.
14. according to preparation method claimed in claim 10, and described newton's body calcium naphthenate is petroleum naphthenic acid calcium or synthetic calcium naphthenate, and its total basicnumber is 250mgKOH/g-450mgKOH/g.
15. according to preparation method claimed in claim 10, said transforming agent is selected from fatty alcohol, lipid acid, aliphatic ketone, alkanoic, aliphatic amide, cycloalkanes amine, cycloalkanol, the ether of C1-C5, and one or more in boric acid, calcium carbonate, phosphonic acids, carbonic acid gas, phenol, aromatic alcohol, aromatic amine, C8-C20 alkyl benzene sulphonate (ABS), C16-C62 naphthenic acid, water, the add-on of transforming agent is the 2%-30% of newton's body calcium naphthenate weight.
16. according to the preparation method described in claim 15, said transforming agent is selected from one or more in Witco 1298 Soft Acid, methyl alcohol, Virahol, butanols, C20-C40 naphthenic acid, acetic acid and water, and the add-on of transforming agent is the 6%-22% of newton's body calcium naphthenate weight.
CN201210311253.1A 2012-08-28 2012-08-28 A kind of Composite calcium naphthenate base lubricating grease and preparation method thereof Active CN103627496B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210311253.1A CN103627496B (en) 2012-08-28 2012-08-28 A kind of Composite calcium naphthenate base lubricating grease and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210311253.1A CN103627496B (en) 2012-08-28 2012-08-28 A kind of Composite calcium naphthenate base lubricating grease and preparation method thereof

Publications (2)

Publication Number Publication Date
CN103627496A true CN103627496A (en) 2014-03-12
CN103627496B CN103627496B (en) 2015-08-26

Family

ID=50208950

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210311253.1A Active CN103627496B (en) 2012-08-28 2012-08-28 A kind of Composite calcium naphthenate base lubricating grease and preparation method thereof

Country Status (1)

Country Link
CN (1) CN103627496B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104293449A (en) * 2013-07-17 2015-01-21 中国石油化工股份有限公司 Composite calcium naphthenate-based lubricating grease and preparation method thereof
CN104449982A (en) * 2014-10-25 2015-03-25 中国石油化工股份有限公司 High-temperature resistant lubricating grease composition and preparation method thereof
CN106032487A (en) * 2015-03-11 2016-10-19 中国石油化工股份有限公司 A lubricating grease composition and a preparing method thereof
CN106032483A (en) * 2015-03-11 2016-10-19 中国石油化工股份有限公司 Composite sulfurized calcium alkyl phenate lubricating grease and preparation method thereof
CN107488491A (en) * 2017-08-28 2017-12-19 安徽游能润滑新技术有限公司 It is a kind of can selfreparing abrasion combustion engine energy-saving environment-protective lubricant oil and preparation method thereof
CN107828478A (en) * 2017-10-19 2018-03-23 中国石油化工股份有限公司 A kind of Composite calcium naphthenate base lubricant composition and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070173420A1 (en) * 2004-02-23 2007-07-26 Kenichi Iso Grease composition and rolling device
CN102453599A (en) * 2010-10-22 2012-05-16 中国石油化工股份有限公司 Composite calcium-sulfonate-based tetrapolyurea lubricating grease and preparation method thereof

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070173420A1 (en) * 2004-02-23 2007-07-26 Kenichi Iso Grease composition and rolling device
CN102453599A (en) * 2010-10-22 2012-05-16 中国石油化工股份有限公司 Composite calcium-sulfonate-based tetrapolyurea lubricating grease and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
李玲等: "高碱性环烷酸钙的合成与性能研究", 《石油炼制与化工》, vol. 42, no. 4, 30 April 2011 (2011-04-30) *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104293449A (en) * 2013-07-17 2015-01-21 中国石油化工股份有限公司 Composite calcium naphthenate-based lubricating grease and preparation method thereof
CN104293449B (en) * 2013-07-17 2016-08-10 中国石油化工股份有限公司 A kind of Composite calcium naphthenate base grease and preparation method thereof
CN104449982A (en) * 2014-10-25 2015-03-25 中国石油化工股份有限公司 High-temperature resistant lubricating grease composition and preparation method thereof
CN106032487A (en) * 2015-03-11 2016-10-19 中国石油化工股份有限公司 A lubricating grease composition and a preparing method thereof
CN106032483A (en) * 2015-03-11 2016-10-19 中国石油化工股份有限公司 Composite sulfurized calcium alkyl phenate lubricating grease and preparation method thereof
CN106032487B (en) * 2015-03-11 2019-01-08 中国石油化工股份有限公司 Lubricant composition and preparation method thereof
CN106032483B (en) * 2015-03-11 2019-01-08 中国石油化工股份有限公司 A kind of composite sulfuration alkyl phenol calcium-base grease and preparation method thereof
CN107488491A (en) * 2017-08-28 2017-12-19 安徽游能润滑新技术有限公司 It is a kind of can selfreparing abrasion combustion engine energy-saving environment-protective lubricant oil and preparation method thereof
CN107828478A (en) * 2017-10-19 2018-03-23 中国石油化工股份有限公司 A kind of Composite calcium naphthenate base lubricant composition and preparation method thereof

Also Published As

Publication number Publication date
CN103627496B (en) 2015-08-26

Similar Documents

Publication Publication Date Title
CN103627496B (en) A kind of Composite calcium naphthenate base lubricating grease and preparation method thereof
CN104449959A (en) High-base number composite calcium-based grease and preparation method thereof
CN103695137B (en) A kind of Composite calcium naphthenate base lubricating grease and preparation method thereof
CN101117604A (en) Lubricating grease composition
CN103627495B (en) A kind of Composite calcium naphthenate base two polyurea grease and preparation method thereof
CN106032485B (en) Lubricant composition and preparation method thereof
CN103571571B (en) A kind of Calcium naphthenate base six polyurea grease and preparation method thereof
CN104450111A (en) Composite calcium sulfonate-calcium naphthenate-based grease and preparation method thereof
CN104293449A (en) Composite calcium naphthenate-based lubricating grease and preparation method thereof
CN1377944A (en) Process for preparing compound metal type lubricating oil cleaning agent
CN103571598B (en) A kind of Calcium naphthenate base two polyurea grease and preparation method thereof
CN104560276A (en) Compound calcium sulfonate-calcium naphthenate zirconium-based lubricating grease and preparation method thereof
CN104560277B (en) A kind of calcium naphthenate zirconium base lubricating grease and preparation method thereof
CN103695074B (en) A kind of Composite calcium naphthenate base two polyurea grease and preparation method thereof
CN103695075B (en) A kind of Composite calcium naphthenate base eight polyurea grease and preparation method thereof
CN104560318A (en) Calcium naphthenate zirconium-based hexurea lubricating grease and preparation method thereof
CN103571570A (en) Calcium naphthenate-based tetrapolyurea lubricating grease and preparation method thereof
CN106032487B (en) Lubricant composition and preparation method thereof
CN103571588B (en) A kind of Calcium naphthenate base eight polyurea grease and preparation method thereof
CN103627497B (en) A kind of Composite calcium naphthenate base six polyurea grease and preparation method thereof
CN103627470B (en) A kind of Composite calcium naphthenate base eight polyurea grease and preparation method thereof
CN103695138B (en) A kind of Composite calcium naphthenate base six polyurea grease and preparation method thereof
CN104560278A (en) Calcium sulfonate-calcium naphthenate zirconium-based lubricating grease and preparation method thereof
CN103695076A (en) Composite calcium naphthenate tetraurea lubricating grease and preparation method thereof
CN103627498A (en) Composite calcium naphthenate-based tetrapolyurea lubricating grease and preparation method therefor

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant