CN103265995A - Preparation method of lubricating oil detergent - Google Patents
Preparation method of lubricating oil detergent Download PDFInfo
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- CN103265995A CN103265995A CN2013101881011A CN201310188101A CN103265995A CN 103265995 A CN103265995 A CN 103265995A CN 2013101881011 A CN2013101881011 A CN 2013101881011A CN 201310188101 A CN201310188101 A CN 201310188101A CN 103265995 A CN103265995 A CN 103265995A
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Abstract
The invention discloses lubricating oil detergent and a preparation method thereof. The detergent is prepared from the following raw materials in parts by weight: 1 part of linoleic acid, 1-2 parts of neutral oil, 1-6 parts of calcium hydroxide, 0.2-1 part of calcium oxide, 0-0.1 part of calcium chloride, 3-10 parts of solvent, 0.2-1 part of methanol, 0.1-0.5 part of water and 0.1-0.4 part of carbon dioxide. The preparation method of the lubricating oil detergent comprises the following steps of: a high-alkalinity reaction, a neutralization reaction and the like. The lubricating oil detergent disclosed by the invention has better detergency and dispersibility and strong corrosive acid neutralization capacity, and is uniform in calcium carbonate grain size distribution. In the whole reaction process, the preparation and treatment process is simple, free of a high-temperature treatment process and easy to realize on the device. Moreover, most of the materials are regenerative, higher in biodegradability and capable of satisfying the green and environmentally-friendly requirements.
Description
Technical field
The invention belongs to chemical field, be specifically related to a kind of detergent for lubricating oil and preparation method thereof.
Background technology
In the use of oil engine, the carbon granule, the flue dust that have some fuel combustions and generate advance the people in lubricating oil, more airborne dust also can enter in the oil, and the high temperature oxidation of lubricating oil self can produce acidic substance simultaneously, and these materials combine and will form carbon deposit, greasy filth, cause oil quality to degenerate, wearing and tearing increase, and corrosion increases the weight of, and stop up oil circuit and filter screen, make the piston ring adhesion, mechanical cisco unity malfunction.In order to prevent that these materials from forming, guarantee that oil engine is normal, lasting, economical operation, in lubricating oil, add detergent-dispersant additive, be used for and oil oxidation after the acidic cpd that produces, prevent the further oxidation of acidic cpd, and energy adsorption and oxidation composition granule, make it to be dispersed in the oil, can not fouling and be deposited on the metallic surface, solve the problem of engine idle, stall and running imbalance.At present, mainly contain traditional detergent for lubricating oil products such as sulfonate, naphthenate, alkylbenzene sulfonate on the market, and their the raw material overwhelming majority is from petroleum products.The raw material of the detergent for lubricating oil that these are traditional is non-renewable, and it is after use, and the refuse that is discharged in the environment is biological nondegradable, and therefore, conventional lubrication oil purification agent is not eco-friendly purification agent.
Summary of the invention
At the deficiencies in the prior art, the invention provides a kind of detergent for lubricating oil and preparation method thereof.Detergent for lubricating oil base number height of the present invention, nanoscale is good, biodegradation intensity is high, environmental friendliness; The preparation method is simple, is easy to scale operation.
For solving the problems of the technologies described above, technical scheme provided by the invention is:
A kind of purification agent, its raw material is formed and the quality proportioning is:
1 part of linolic acid, neutral oil 1-2 part, calcium hydroxide 1-6 part, calcium oxide 0.2-1 part, calcium chloride 0-0.1 part, solvent 3-10 part, methyl alcohol 0.2-1 part, water 0.1-0.5 part, carbonic acid gas 0.1-0.4 part.
Described linolic acid is the linolic acid that contains acid 〉=50%;
Described neutral oil is the light lubricating oil base oil;
Described solvent is a kind of in normal heptane, octane, toluene or the dimethylbenzene.
A kind of preparation method of detergent for lubricating oil, step comprises:
A, the linolic acid with formula ratio, neutral oil, solvent, methyl alcohol and calcium chloride add in the reactor, mix and stir, and add calcium hydroxide and the calcium oxide of formula ratio then, in 35 ℃-80 ℃ and 1.0-3.0 hour;
The water of B, adding formula ratio is warming up to 45 ℃-85 ℃, feeds the carbon dioxide of formula ratio, reacts 0.5-2.0 hour, and Ventilation Rate is 20-120mL/min;
C, centrifugal or adding flocculating aids filter and remove residue, underpressure distillation is sloughed solvent and is namely made the final product detergent for lubricating oil again.
Linoleic acid dimer calcium salt detergent for lubricating oil of the present invention, its total basicnumber is 200-360mgKOH/g, have detergent-dispersant performance preferably and extremely strong in and the ability of corrosive acid, compare with purification agent product in the market, calcium carbonate even particle size distribution in the Linoleic acid dimer calcium salt detergent for lubricating oil, it is 40-180mm 100 ℃ of kinematic viscosity
2/ s; In entire reaction course, preparation and treatment process are simple, need not adopt high-temperature processing technology, on device, very easily realize, the most of reproducible resource of the raw material of Linoleic acid dimer calcium salt detergent for lubricating oil of the present invention, having higher biodegradability, is eco-friendly product, meets requirements of green environmental protection.
Embodiment
The following examples are to further specify of the present invention, but are not limited only to described embodiment.
Embodiment 1
A kind of detergent for lubricating oil, its raw material is formed and the quality proportioning is:
Linolic acid 28g, neutral oil 50g, calcium hydroxide 62g, calcium oxide 14g, calcium chloride 1g, solvent 200g, methyl alcohol 20g, water 3g, carbonic acid gas 3.2g.
Described linolic acid is the linolic acid that contains acid 65%; Described neutral oil is the light lubricating oil base oil, and manufacturer is the Nanjing vast petrochemical complex of letter company limited, specifications and models 150SN; Described solvent is normal heptane.
A kind of preparation method of detergent for lubricating oil, step comprises:
A, the linolic acid with formula ratio, neutral oil, solvent, methyl alcohol and calcium chloride add be equipped with stir and the there-necked flask of reflux condensing tube in, mix to stir being warming up to 45 ℃, add calcium hydroxide and the calcium oxide of formula ratio then, in and 1.0 hours;
The water of B, adding formula ratio is warming up to 55 ℃, feeds the carbon dioxide of formula ratio, reacts 0.5 hour, and Ventilation Rate is 60mL/min;
C, centrifugal removing slag, underpressure distillation is sloughed solvent and is namely made the final product detergent for lubricating oil again.
The Linoleic acid dimer calcium salt purification agent base number of preparation is 279mgKOH/g, and 100 ℃ of kinematic viscosity are 160mm
2/ s.
Embodiment 2
A kind of detergent for lubricating oil, its raw material is formed and the quality proportioning is:
Linolic acid 28g, neutral oil 55g, calcium hydroxide 154g, calcium oxide 5.6g, calcium chloride 2.5g, solvent 270g, methyl alcohol 25g, water 14g, carbonic acid gas 5.4g.
Described linolic acid is the linolic acid that contains acid 65%; Described neutral oil is the light lubricating oil base oil; Described solvent is dimethylbenzene.
A kind of preparation method of detergent for lubricating oil, step comprises:
A, the linolic acid with formula ratio, neutral oil, solvent, methyl alcohol and calcium chloride add be equipped with stir and the there-necked flask of reflux condensing tube in, mix to stir being warming up to 55 ℃, add calcium hydroxide and the calcium oxide of formula ratio then, in and 2.0 hours;
The water of B, adding formula ratio is warming up to 65 ℃, feeds the carbon dioxide of formula ratio, reacts 2.0 hours, and Ventilation Rate is 25mL/min;
C, centrifugal removing slag, underpressure distillation is sloughed solvent and is namely made the final product detergent for lubricating oil again.
The Linoleic acid dimer calcium salt purification agent base number of preparation is 354mgKOH/g, and 100 ℃ of kinematic viscosity are 106mm
2/ s.
Embodiment 3
A kind of detergent for lubricating oil, its raw material is formed and the quality proportioning is:
Linolic acid 28g, neutral oil 35g, calcium hydroxide 30g, calcium oxide 25g, calcium chloride 1g, solvent 95g, methyl alcohol 6g, water 9g, carbonic acid gas 9.7g.
Described linolic acid is the linolic acid that contains acid 85%; Described neutral oil is the light lubricating oil base oil; Described solvent is toluene.
A kind of preparation method of detergent for lubricating oil, step comprises:
A, the linolic acid with formula ratio, neutral oil, solvent, methyl alcohol and calcium chloride add be equipped with stir and the there-necked flask of reflux condensing tube in, mix to stir being warming up to 75 ℃, add calcium hydroxide and the calcium oxide of formula ratio then, in and 2.0 hours;
The water of B, adding formula ratio is warming up to 80 ℃, feeds the carbon dioxide of formula ratio, reacts 1.0 hours, and Ventilation Rate is 90mL/min;
C, centrifugal removing slag, underpressure distillation is sloughed solvent and is namely made the final product detergent for lubricating oil again.
The Linoleic acid dimer calcium salt purification agent base number of preparation is 256mgKOH/g, and 100 ℃ of kinematic viscosity are 146mm
2/ s.
Embodiment 4
A kind of detergent for lubricating oil, its raw material is formed and the quality proportioning is:
Linolic acid 28g, neutral oil 35g, calcium hydroxide 85g, calcium oxide 17g, calcium chloride 1.5g, solvent 170g, methyl alcohol 14g, water 10g, carbonic acid gas 6.5g.
Described linolic acid is the linolic acid that contains acid 85%; Described neutral oil is the light lubricating oil base oil; Described solvent is octane.
A kind of preparation method of detergent for lubricating oil, step comprises:
A, the linolic acid with formula ratio, neutral oil, solvent, methyl alcohol and calcium chloride add be equipped with stir and the there-necked flask of reflux condensing tube in, mix to stir being warming up to 55 ℃, add calcium hydroxide and the calcium oxide of formula ratio then, in and 3.0 hours;
The water of B, adding formula ratio is warming up to 70 ℃, feeds the carbon dioxide of formula ratio, reacts 0.5 hour, and Ventilation Rate is 120mL/min;
C, centrifugal removing slag, underpressure distillation is sloughed solvent and is namely made the final product detergent for lubricating oil again.
The Linoleic acid dimer calcium salt purification agent base number of preparation is 328 mgKOH/g, and 100 ℃ of kinematic viscosity are 130mm
2/ s.
Claims (5)
1. detergent for lubricating oil, its raw material is formed and the quality proportioning is:
1 part of linolic acid, neutral oil 1-2 part, calcium hydroxide 1-6 part, calcium oxide 0.2-1 part, calcium chloride 0-0.1 part, solvent 3-10 part, methyl alcohol 0.2-1 part, water 0.1-0.5 part, carbonic acid gas 01-0.4 part.
2. purification agent as claimed in claim 1, it is characterized in that: described linolic acid is the linolic acid that contains acid 〉=50%.
3. purification agent as claimed in claim 1, it is characterized in that: described neutral oil is the light lubricating oil base oil.
4. purification agent as claimed in claim 1 is characterized in that: described solvent is a kind of in normal heptane, octane, toluene or the dimethylbenzene.
5. the preparation method of a detergent for lubricating oil, step comprises:
A, the linolic acid with formula ratio, neutral oil, solvent, methyl alcohol and calcium chloride add in the reactor, mix and stir, and add calcium hydroxide and the calcium oxide of formula ratio then, in 35 ℃-80 ℃ and 1.0-3.0 hour;
The water of B, adding formula ratio is warming up to 45 ℃-85 ℃, feeds the carbon dioxide of formula ratio, reacts 0.5-2.0 hour, and Ventilation Rate is 20-120mL/min;
C, centrifugal or adding flocculating aids filter and remove residue, underpressure distillation is sloughed solvent and is namely made the final product detergent for lubricating oil again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310188101.1A CN103265995B (en) | 2013-05-18 | 2013-05-18 | Preparation method of lubricating oil detergent |
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| CN201310188101.1A CN103265995B (en) | 2013-05-18 | 2013-05-18 | Preparation method of lubricating oil detergent |
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| CN103265995B CN103265995B (en) | 2014-10-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104130822A (en) * | 2014-07-03 | 2014-11-05 | 黄山学院 | Mono (terephthalate)octanol ester calcium salt clearing agent and synthetic method thereof |
| CN105733742A (en) * | 2014-12-08 | 2016-07-06 | 中国石油天然气股份有限公司 | Alkaline oleate detergent and preparation method thereof |
| CN109632725A (en) * | 2018-12-13 | 2019-04-16 | 中铝东南材料院（福建）科技有限公司 | A kind of aluminium rolled lubricating oil filter aid proportion fast determination method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504451A (en) * | 2002-11-29 | 2004-06-16 | 中国石油天然气股份有限公司 | Novel method for preparing alkaline alkyl salicylate |
| CN102071085A (en) * | 2009-11-19 | 2011-05-25 | 中国石油化工股份有限公司 | High-base number metal detergent and preparation method thereof |
| CN102888263A (en) * | 2011-07-20 | 2013-01-23 | 中国石油天然气股份有限公司 | Preparation of nano-grade high-alkalinity calcium alkyl salicylate additive |
| CN102899132A (en) * | 2012-10-16 | 2013-01-30 | 锦州惠发天合化学有限公司 | Detergent for synthetic calcium alkyl benzene sulfonate type lubricating oil and production technology |
-
2013
- 2013-05-18 CN CN201310188101.1A patent/CN103265995B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1504451A (en) * | 2002-11-29 | 2004-06-16 | 中国石油天然气股份有限公司 | Novel method for preparing alkaline alkyl salicylate |
| CN102071085A (en) * | 2009-11-19 | 2011-05-25 | 中国石油化工股份有限公司 | High-base number metal detergent and preparation method thereof |
| CN102888263A (en) * | 2011-07-20 | 2013-01-23 | 中国石油天然气股份有限公司 | Preparation of nano-grade high-alkalinity calcium alkyl salicylate additive |
| CN102899132A (en) * | 2012-10-16 | 2013-01-30 | 锦州惠发天合化学有限公司 | Detergent for synthetic calcium alkyl benzene sulfonate type lubricating oil and production technology |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104130822A (en) * | 2014-07-03 | 2014-11-05 | 黄山学院 | Mono (terephthalate)octanol ester calcium salt clearing agent and synthetic method thereof |
| CN104130822B (en) * | 2014-07-03 | 2016-03-23 | 黄山学院 | A kind of terephthalic acid list lauryl alcohol ester calcium salt purification agent and synthetic method thereof |
| CN105733742A (en) * | 2014-12-08 | 2016-07-06 | 中国石油天然气股份有限公司 | Alkaline oleate detergent and preparation method thereof |
| CN109632725A (en) * | 2018-12-13 | 2019-04-16 | 中铝东南材料院（福建）科技有限公司 | A kind of aluminium rolled lubricating oil filter aid proportion fast determination method |
| CN109632725B (en) * | 2018-12-13 | 2021-04-27 | 中铝东南材料院（福建）科技有限公司 | Method for quickly determining proportion of lubricating oil filter aid for aluminum rolling |
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| CN103265995B (en) | 2014-10-29 |
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Effective date of registration: 20210802 Address after: 211700 No. 23, Sishui East Road, Yulan Avenue, economic development zone, Xuyi county, Huai'an City, Jiangsu Province Patentee after: Jiangsu Derui Lubricating Oil Co.,Ltd. Address before: 39 Xihai Road, Tunxi District, Huangshan City, Anhui Province Patentee before: HUANGSHAN University |