CN112980550A - Air conditioner accessory processing oil and preparation method thereof - Google Patents
Air conditioner accessory processing oil and preparation method thereof Download PDFInfo
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- CN112980550A CN112980550A CN202110148867.1A CN202110148867A CN112980550A CN 112980550 A CN112980550 A CN 112980550A CN 202110148867 A CN202110148867 A CN 202110148867A CN 112980550 A CN112980550 A CN 112980550A
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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
- C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
- C10M169/04—Mixtures of base-materials and additives
- C10M169/045—Mixtures of base-materials and additives the additives being a mixture of compounds of unknown or incompletely defined constitution and non-macromolecular compounds
-
- 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
- C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
- C10M2203/02—Well-defined aliphatic compounds
- C10M2203/024—Well-defined aliphatic compounds unsaturated
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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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
-
- 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
- C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
- C10M2207/02—Hydroxy compounds
- C10M2207/023—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings
- C10M2207/026—Hydroxy compounds having hydroxy groups bound to carbon atoms of six-membered aromatic rings with tertiary alkyl groups
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
Abstract
The invention relates to air conditioner accessory processing oil and a preparation method thereof, wherein the processing oil comprises base oil, a lubricant and an antioxidant, wherein the base oil is C8-C16 isoparaffin and coal oil, the lubricant is C14-C20 isomeric alcohol and C10-C20 linear alpha olefin, the antioxidant is 2, 6-di-tert-butyl-4-methylphenol and 2, 6-di-tert-butyl-mixed phenol, the isomeric alkane and the coal oil are used as the base oil, and the lubricant of C14-C20 isomeric alcohol and C10-C20 linear alpha olefin is used for preventing burrs from occurring in the stamping process of aluminum fins, prolonging the service life of machine tool grinding and ensuring certain volatility at normal temperature.
Description
Technical Field
The invention relates to processing oil, in particular to air conditioner accessory processing oil and a preparation method thereof.
Background
The air-conditioning accessories such as aluminum fins, copper pipes and the like need to be punched to form holes in the machining process, punching oil is needed in the punching process, the punching oil used at present is the deeply refined light mineral oil which is used as base oil, and additives such as alcohol, acid, ester and the like are compounded to obtain the volatile punching oil composition, and the volatile punching oil composition can meet the lubricating requirements of the accessory punching and can be volatilized and removed at high temperature or normal temperature. However, the existing punching oil generates a great peculiar smell in the volatilization process, which causes a severe working environment, and the machined accessories are easy to corrode, thereby affecting the service life of the air conditioner.
Disclosure of Invention
In order to overcome the defects, the invention provides the processing oil for the air-conditioning accessories, which uses isoparaffin and coal oil as base oil, and adds a small amount of antioxidant, so that the processing process does not generate unpleasant smell, and the processed accessories are not corroded due to the processing oil.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the air conditioner accessory processing oil comprises the following components in parts by weight: 40-80 parts of base oil, 10-65 parts of lubricant and 0.01-2 parts of antioxidant, wherein the base oil is at least one of C8-C16 isoparaffin and coal-made oil.
Preferably, the base oil is a mixture of C8-C16 isoparaffin and coal-made oil, and the weight parts of the two are 20-50 parts of C8-C16 isoparaffin and 10-40 parts of coal-made oil.
Preferably, the C8-C16 isoparaffin has the following characteristics:
| index (I) | Results |
| Density (20 ℃, g/ml) | 0.73-0.75 |
| Kinematic viscosity (40 ℃, mm)2/s) | 1.2-1.5 |
| Volatility (120 ℃, 10min) | 100% without residue |
| Distillation range (. degree.C.) | 160-200 |
| Sulfur content (ppm) | ＜0.5 |
| Smell (150 ℃ oven drying) | Has no peculiar smell |
Preferably, the coal-based oil is characterized by the following table:
| index (I) | Results |
| Density (20 ℃, g/ml) | 0.73-0.75 |
| Kinematic viscosity (40 ℃, mm)2/s) | 1.2-1.5 |
| Volatility (120 ℃, 10min) | 100% without residue |
| Distillation range (. degree.C.) | 170-220 |
| Sulfur content (ppm) | ＜1 |
| Smell (150 ℃ oven drying) | Has slight odor |
Preferably, the lubricant is at least one of a C14-C20 isomeric alcohol and a C10-C20 linear alpha olefin.
Preferably, the lubricant comprises the following components in parts by weight: 0.1-10 parts of C14-C20 isomeric alcohol and 5-60 parts of C10-C20 linear alpha olefin.
Preferably, the lubricant comprises the following components in parts by weight: 0.5-5 parts of isomeric hexadecanol, 10-30 parts of C14 linear alpha olefin, 5-20 parts of C16 linear alpha olefin and 1-10 parts of C20 linear alpha olefin.
Preferably, the lubricant comprises the following components in parts by weight: 0.5-5 parts of isomeric hexadecanol, 10-30 parts of C12 linear alpha olefin, 1-15 parts of C14 linear alpha olefin and 1-10 parts of C16 linear alpha olefin.
Preferably, the antioxidant is at least one of 2, 6-di-tert-butyl-4-methylphenol and 2, 6-di-tert-butyl-mixed phenol.
The invention also provides a preparation method of the air conditioner accessory processing oil, which comprises the following steps:
the method comprises the following steps: weighing the base oil, the lubricant and the antioxidant according to the formula ratio for later use;
step two: and (3) sequentially adding the materials in the step one into a reaction kettle, and stirring to obtain colorless and transparent liquid, wherein the temperature in the reaction kettle is 20-45 ℃, and the stirring time is 20-60 min.
The invention has the beneficial effects that: the lubricating oil comprises base oil, a lubricant and an antioxidant, wherein the base oil is C8-C16 isoparaffin and coal oil, the lubricant is C14-C20 isomerous alcohol and C10-C20 linear alpha olefin, the antioxidant is 2, 6-di-tert-butyl-4-methylphenol and 2, 6-di-tert-butyl-mixed phenol, the isoparaffin and the coal oil are used as the base oil, and the lubricant of the C14-C20 isomerous alcohol and the C10-C20 linear alpha olefin can prevent burrs from occurring in the stamping process of aluminum fins, prolong the service life of machine tool grinding at normal temperature and ensure certain volatility; the antioxidant can prevent volatile fin processing oil from being oxidized in air and combined with moisture to generate acid radical ions of formic acid and acetic acid, and the acid radical ions can corrode a copper pipe and an aluminum foil to cause leakage of a refrigerant and cause serious quality problems.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The air conditioner accessory processing oil comprises the following components in parts by weight: 40-80 parts of base oil, 10-65 parts of lubricant and 0.01-2 parts of antioxidant, wherein the base oil is at least one of C8-C16 isoparaffin and coal-made oil. Further, 45-60 parts of base oil, 30-60 parts of lubricant and 0.1-2 parts of antioxidant, the isoparaffin has the characteristics of low melting point, low toxicity, good compatibility with other lubricating oil, good stability, safety and environmental protection, and the isoparaffin partially volatilizes under the normal temperature condition; the coal-to-liquid is a hydrocarbon compound which is synthesized by completely gasifying coal and converting the coal into a mixture of carbon monoxide, methane and hydrogen under the action of an iron-based or cobalt-based catalyst by reacting the coal with oxygen and water vapor at high temperature; the isoparaffin and the coal-made oil are used as the base oil, so that burrs can be prevented from occurring in the stamping process of the aluminum fin, the service life of machine tool grinding is prolonged, and certain volatility is ensured at normal temperature.
The base oil is a mixture of C8-C16 isoparaffin and coal-made oil, and the weight parts of the base oil and the coal-made oil are 20-50 parts of C8-C16 isoparaffin and 10-40 parts of coal-made oil. Further, 30-45 parts of C8-C16 isoparaffin and 15-30 parts of coal-made oil.
The C8-C16 isoparaffin has the following characteristics:
| index (I) | Results |
| Density (20 ℃, g/ml) | 0.73-0.75 |
| Kinematic viscosity (40 ℃, mm)2/s) | 1.2-1.5 |
| Volatility (120 ℃, 10min) | 100% without residue |
| Distillation range (. degree.C.) | 160-200 |
| Sulfur content (ppm) | ＜0.5 |
| Smell (150 ℃ oven drying) | Has no peculiar smell |
The characteristics of the coal-to-liquids are as follows:
| index (I) | Results |
| Density (20 ℃, g/ml) | 0.73-0.75 |
| Kinematic viscosity (40 ℃, mm)2/s) | 1.2-1.5 |
| Volatility (120 ℃, 10min) | 100% without residue |
| Distillation range (. degree.C.) | 170-220 |
| Sulfur content (ppm) | ＜1 |
| Smell (150 ℃ oven drying) | Has slight odor |
The lubricant is at least one of C14-C20 isomeric alcohol and C10-C20 linear alpha olefin. The isomeric alcohol C14-C20 is odorless isomeric alcohol, and the lubricating oil and the base oil are matched to prevent burrs from occurring in the stamping process of the aluminum fin, so that the service life of the machine tool grinding tool is prolonged.
The lubricant comprises the following components in parts by weight: 0.1-10 parts of C14-C20 isomeric alcohol and 5-60 parts of C10-C20 linear alpha olefin.
The lubricant comprises the following components in parts by weight: 0.5-5 parts of isomeric hexadecanol, 10-30 parts of C14 linear alpha olefin, 5-20 parts of C16 linear alpha olefin and 1-10 parts of C20 linear alpha olefin, and the formula is more suitable for processing aluminum fins.
The lubricant comprises the following components in parts by weight: 0.5-5 parts of isomeric hexadecanol, 10-30 parts of C12 linear alpha olefin, 1-15 parts of C14 linear alpha olefin and 1-10 parts of C16 linear alpha olefin, and the formula is more suitable for processing bent pipes.
The antioxidant is at least one of 2, 6-di-tert-butyl-4-methylphenol and 2, 6-di-tert-butyl-mixed phenol. The antioxidant can prevent volatile fin processing oil from being oxidized in air and combined with moisture to generate acid radical ions of formic acid and acetic acid, and the acid radical ions can corrode a copper pipe and an aluminum foil to cause leakage of a refrigerant and cause serious quality problems.
Preparation of the first, examples and comparative examples
Examples 1-10 and comparative example 1 were prepared according to the components and parts by weight in tables 1 and 2:
table 1: raw materials and their amounts (unit, parts by weight)
Table 2: raw materials and their amounts (unit, parts by weight)
Comparative example 2 is aluminum fin oil produced from dearomatization solvent oil of the company, wherein the dearomatization solvent is 96-99% (mass percent), and the acid radical ion content of comparative example 2 is 5 ppm;
the preparation methods of examples 1 to 10 and comparative example 1 were as follows:
the method comprises the following steps: weighing the base oil, the lubricant and the antioxidant according to the formula ratio for later use;
step two: and (3) sequentially adding the materials in the step one into a reaction kettle, and stirring to obtain colorless and transparent liquid, wherein the temperature in the reaction kettle is 20-45 ℃, and the stirring time is 20-60 min.
The acid ions of the examples and comparative examples were measured and the results are shown in tables 1 and 2, and the acid ion detection method was as follows:
the method comprises the following steps: and (3) preparing a standard curve: preparing five curve point solutions of 0.1ppm, 0.5ppm, 2.0ppm, 5.0ppm and 10.0ppm by using 1000ppm of formate and acetate standard solutions, testing the prepared curve solutions by using an ion chromatograph, making a standard curve, and determining that the curve coefficient is more than 99.5 percent to carry out sample test;
step two: mixing the sample oil with water according to the weight ratio of 9: 1 ratio, taking 90mL of sample oil in 200mL or 250mL round bottom or flat bottom flask, adding 10mL deionized water and 1g of analytically pure alumina powder (or copper powder), mixing the solution well and refluxing at 105 ℃ for 48 hours;
step three: 2mL of NaOH solution (about 1 mol/L) is added into the flask, ultrasonic treatment is carried out for 10min, the clear solution is transferred into a separating funnel, a part of aqueous phase (lower layer solution) is separated, a 0.22 micron filter head of the aqueous phase is used, and after filtration, ICS-900 ion chromatography is used for analysis (using a standard curve prepared in the first step) or an equivalent analysis device for testing the content of formate and acetate.
As can be seen from the test results of the acid ion, the acid ions of examples 1 to 10 of the present invention were < 1ppm, whereas the acid ion of comparative example 1 was 2.5ppm, which is significantly higher than the acid ion (0.3ppm) concentration of example 5, and the only difference between comparative example 1 and example 5 is that: comparative example 1 does not contain any antioxidant, so the antioxidant of the present invention can effectively prevent volatile fin processing oil from being oxidized in air and combined with moisture to generate acid ions of formic acid and acetic acid.
Second, press test of examples and comparative examples
The procedure of the press test of examples 1 to 10 and comparative examples 1 to 2 was as follows:
the method comprises the following steps: quantitative spraying: passing an aluminum fin through the stamping coating oil, wherein the thickness of the aluminum fin aluminum foil is 0.1 +/-0.05 mm;
step two: punching: the sprayed aluminum fin is placed on a punching machine to be punched to form a hole, the aperture is phi 5-15mm, and the speed of the punching machine is 150-;
step three: pipe penetration: penetrating the aluminum pipes into the holes punched and formed by the aluminum fins one by one;
step four: drying: and (3) placing the aluminum fin after the tube penetration into a degreasing furnace for drying, wherein the temperature of the degreasing furnace is 120-140 ℃, and the baking time is 5-10 minutes.
In the stamping process, the stamping oils of examples 1 to 10 and comparative example 1 were used, and no unpleasant odor was generated in the entire stamping process; when the punching oil of comparative example 2 is used, a large peculiar smell is generated in the punching process; the lubricating properties of examples 1 to 10 and comparative examples 1 to 2 were good, and the aluminum fins were free from the occurrence of burr during the processing.
The aluminum fins after punching of examples 1 to 10 and comparative examples 1 to 2 were subjected to the hydrophilic angle test, and the test results were: the angle of hydrophilicity is less than 15 deg.
Third, physical and chemical Properties of the examples
The products obtained in examples 1 to 10 have the following physico-chemical properties:
a: the maximum non-seizing load PB is more than or equal to 18 kg;
b: the volatilization rate is as follows: more than or equal to 60 percent;
c, the hydrophilic angle (aluminum foil after stamping) is less than or equal to 15 degrees;
d; coefficient of friction: < 0.133 mm.
E: sample state: a colorless transparent liquid;
f: drying property; completely volatilize for 3min
G: specific gravity: 0.7-0.8g/cm3
H: acid radical ion: formic acid + acetic acid < 1ppm
I: odor: no smell at normal temperature, and no smell after drying at 150 ℃.
It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The air conditioner accessory processing oil is characterized in that: the paint comprises the following components in parts by weight: 40-80 parts of base oil, 10-65 parts of lubricant and 0.01-2 parts of antioxidant, wherein the base oil is at least one of C8-C16 isoparaffin and coal-made oil.
2. An air conditioning accessory processing oil according to claim 1, wherein: the base oil is a mixture of C8-C16 isoparaffin and coal-made oil, and the weight parts of the base oil and the coal-made oil are 20-50 parts of C8-C16 isoparaffin and 10-40 parts of coal-made oil.
3. An air conditioning accessory processing oil according to claim 1, wherein: the C8-C16 isoparaffin has the following characteristics:
4. An air conditioning accessory processing oil according to claim 1, wherein: the characteristics of the coal-to-liquids are as follows:
5. An air conditioning accessory processing oil according to claim 1, wherein: the lubricant is at least one of C14-C20 isomeric alcohol and C10-C20 linear alpha olefin.
6. An air conditioning accessory processing oil according to claim 5, wherein: the lubricant comprises the following components in parts by weight: 0.1-10 parts of C14-C20 isomeric alcohol and 5-60 parts of C10-C20 linear alpha olefin.
7. An air conditioning accessory processing oil according to claim 6, wherein: the lubricant comprises the following components in parts by weight: 0.5-5 parts of isomeric hexadecanol, 10-30 parts of C14 linear alpha olefin, 5-20 parts of C16 linear alpha olefin and 1-10 parts of C20 linear alpha olefin.
8. An air conditioning accessory processing oil according to claim 6, wherein: the lubricant comprises the following components in parts by weight: 0.5-5 parts of isomeric hexadecanol, 10-30 parts of C12 linear alpha olefin, 1-15 parts of C14 linear alpha olefin and 1-10 parts of C16 linear alpha olefin.
9. An air conditioning accessory processing oil according to claim 1, wherein: the antioxidant is at least one of 2, 6-di-tert-butyl-4-methylphenol and 2, 6-di-tert-butyl-mixed phenol.
10. A method for producing an air conditioning accessory processing oil according to any one of claims 1 to 9, characterized by: the method comprises the following steps:
the method comprises the following steps: weighing the base oil, the lubricant and the antioxidant according to the formula ratio for later use;
step two: and (3) sequentially adding the materials in the step one into a reaction kettle, and stirring to obtain colorless and transparent liquid, wherein the temperature in the reaction kettle is 20-45 ℃, and the stirring time is 20-60 min.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114181761A (en) * | 2021-12-10 | 2022-03-15 | 安美科技股份有限公司 | Cleaning-free copper-aluminum sheet punching oil |
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