CN116063923A - Engine coating liquid and application - Google Patents
Engine coating liquid and application Download PDFInfo
- Publication number
- CN116063923A CN116063923A CN202210108460.0A CN202210108460A CN116063923A CN 116063923 A CN116063923 A CN 116063923A CN 202210108460 A CN202210108460 A CN 202210108460A CN 116063923 A CN116063923 A CN 116063923A
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- coating liquid
- engine
- solvent oil
- oil
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- 239000011248 coating agent Substances 0.000 title claims abstract description 73
- 238000000576 coating method Methods 0.000 title claims abstract description 71
- 239000007788 liquid Substances 0.000 title claims abstract description 61
- 239000002904 solvent Substances 0.000 claims abstract description 43
- 229920002545 silicone oil Polymers 0.000 claims abstract description 23
- 238000004821 distillation Methods 0.000 claims abstract description 18
- 238000009835 boiling Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 abstract description 8
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 abstract description 7
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052794 bromium Inorganic materials 0.000 abstract description 7
- 238000001556 precipitation Methods 0.000 abstract description 7
- 239000012535 impurity Substances 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000009825 accumulation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 40
- 238000002360 preparation method Methods 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000007789 gas Substances 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000005507 spraying Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 150000002430 hydrocarbons Chemical class 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 229940008099 dimethicone Drugs 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000013112 stability test Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/20—Diluents or solvents
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
- F02M27/06—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like by rays, e.g. infrared and ultraviolet
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paints Or Removers (AREA)
Abstract
The invention relates to C09D183, in particular to an engine coating liquid and application thereof. The engine coating liquid comprises solvent oil and silicone oil as raw materials. The solvent oil with specific density and specific bromine index is added into the coating liquid system, so that the probability of faults of parts can be obviously reduced, no peculiar smell is generated, the stability is obviously improved, the peculiar smell cannot be generated along with the extension of the standing time, the impurity precipitation cannot be generated, and the service life of the coating liquid system is prolonged. The power of an engine can be obviously improved after the obtained coating liquid is applied to the engine of an automobile by adding solvent oil with a specific initial distillation point and a specific 98% distillation temperature. The silicone oil with specific viscosity and surface tension can improve the fluidity of a coating liquid system, so that the performance of the coating liquid is further improved, and the occurrence of greasy dirt accumulation of an automobile engine is avoided, so that the automobile engine is kept in a clean state.
Description
Technical Field
The invention relates to C09D183, in particular to an engine coating liquid and application thereof.
Background
Over a certain service life, the engine of the automobile sometimes has problems of part wear, wire harness aging and the like. The engine coating can prevent the occurrence of the above problems to a certain extent, and the running safety of the automobile is improved.
However, the engine coating liquid sometimes generates a certain peculiar smell, and the peculiar smell is aggravated along with the extension of the standing time, and meanwhile, some impurity precipitation is generated, so that the engine coating liquid has a certain influence on the performance when in use.
The patent number CN111205764A provides a coating agent for an engine compartment of an automobile and a preparation method thereof, and the obtained coating agent has high brightness, high hardness, good durability and excellent antifouling effect after coating the outer surface of the engine compartment (rubber plastic piece or metal piece) by adding organic silicon resin. Patent number CN103666213B provides a flame retardant automobile engine shell coating and a preparation method thereof, and by adding resin and organosilicon, the flame retardant property and thermal stability of the material are improved, and after the engine shell is used, the engine can be antistatic and dustproof, and can keep bright and clean for a long time.
Disclosure of Invention
In order to solve the problems, the first aspect of the invention provides an engine coating liquid, which is characterized in that the raw materials of the engine coating liquid comprise solvent oil and silicone oil.
As a preferable technical scheme of the invention, the solvent oil is one or more selected from No. 120 solvent oil, no. 150 solvent oil and No. 200 solvent oil.
As a preferable technical scheme of the invention, the initial distillation point of the solvent oil is 135-150 ℃.
The initial distillation point refers to the temperature recorded at the moment when the first drop of condensate falls from the bottom end of the condenser when the distillation range of the oil product is measured.
The distillation range refers to the boiling point range of the distilled oil under standard conditions. The boiling point range of the entire distillation range includes the temperature of the initial point, the temperature of the final point, and the intermediate temperature.
The middle temperature refers to the temperature corresponding to the oil product when the liquid amount of the distillate reaches a certain volume fraction in the process of measuring the distillation range, for example, the 98% distillation temperature refers to the temperature corresponding to the liquid amount of the oil product when the liquid amount of the distillate reaches a volume fraction of 98% of the original sample in the process of measuring the distillation range.
As a preferable technical scheme of the invention, the initial distillation point of the solvent oil is 139-145 ℃.
As a preferable technical scheme of the invention, the 98% distillation temperature of the solvent oil is 170-195 ℃.
As a preferable technical scheme of the invention, the 98% distillation temperature of the solvent oil is 178-185 ℃.
As a preferable technical scheme of the invention, the density of the solvent oil is 760-800kg/m 3 。
Preferably, the density of the solvent oil is 760-780kg/m 3 。
Preferably, the solvent oil has a bromine index of less than 45mg/100g.
The unsaturated hydrocarbon content in the oil product is an important index for measuring the quality of the oil product and controlling the production process, and the content can reflect the performance of the oil product. The higher the bromine index, the higher the unsaturated hydrocarbon content of the oil, and the poorer the safety.
As a preferred embodiment of the present invention, the silicone oil has a viscosity of 250-500cp (25 ℃).
Preferably, the silicone oil has a surface tension of 19.5 to 20.9dyn/cm.
The unit of surface tension is internationally newton per meter (N/m), but it is still commonly used in China for dyne/cm (dyn/cm), 1 dyn/cm=1 mN/m.
Further preferably, the silicone oil is dimethicone, CAS number 63148-62-9.
As a preferable technical scheme of the invention, the raw materials of the engine coating liquid comprise 50-70 parts of solvent oil and 25-46 parts of silicone oil by weight.
Preferably, the preparation method of the engine coating liquid comprises the following steps: and mixing solvent oil and silicone oil according to parts by weight to obtain a mixture A, and treating the mixture A by terahertz equipment to obtain the engine coating liquid.
Through a large number of experiments, the applicant finds that the solvent oil with specific density and specific bromine index is added into the coating liquid system, so that the probability of faults of parts can be obviously reduced, no peculiar smell exists, the stability is obviously improved, the peculiar smell cannot be generated along with the extension of the standing time, the impurity precipitation cannot be generated, and the service life of the coating liquid system is prolonged. The applicant speculates that this may be due to the addition of a solvent oil of a specific density to the system, which results in better insertion of the molecules of the solvent oil into the interstices between the silicone oil molecules, improved system compatibility, enhanced intermolecular forces, and improved overall system stability. Meanwhile, the solvent oil with specific bromine index also has specific content of unsaturated hydrocarbon, and can generate intermolecular action with silicone oil molecules, so that intermolecular acting force is further enhanced, and the stability of a system is further improved. Therefore, the service life of the finally obtained coating solution is prolonged, and even if the service life is prolonged, peculiar smell is not generated and impurity precipitation is not generated. The above effects are particularly pronounced especially when used on engines.
The main technology of the terahertz equipment treatment is far infrared high-frequency oscillation, and the terahertz equipment is obtained through independent research and development.
The second aspect of the invention provides application of the engine coating liquid, and the engine coating liquid is applied to the field of automobile engines.
Compared with the prior art, the invention has the following beneficial effects:
(1) The solvent oil with specific density and specific bromine index is added into the coating liquid system, so that the probability of faults of parts can be obviously reduced, no peculiar smell is generated, the stability is obviously improved, the peculiar smell cannot be generated along with the extension of the standing time, the impurity precipitation cannot be generated, and the service life of the coating liquid system is prolonged.
(2) The power of an engine can be obviously improved after the obtained coating liquid is applied to the engine of an automobile by adding solvent oil with a specific initial distillation point and a specific 98% distillation temperature.
(3) The silicone oil with specific viscosity and surface tension can improve the fluidity of a coating liquid system, so that the performance of the coating liquid is further improved, and the occurrence of greasy dirt accumulation of an automobile engine is avoided, so that the automobile engine is kept in a clean state.
(4) The silicon oil and the solvent oil in specific parts by weight act synergistically, and the obtained coating liquid reduces the emission of hydrocarbon, nitric oxide and carbon monoxide of harmful waste gas in automobile exhaust after being used for an automobile engine.
(5) The obtained engine coating liquid has a far infrared function through terahertz equipment treatment, and after the engine coating liquid is used on an automobile engine, the performance of the automobile engine can be improved, so that the automobile engine is easy to start, the situation of blocking an oil way and interrupting oil supply is difficult to occur, and the consumption of gasoline and diesel oil is reduced.
Detailed Description
Examples
The compositions of the examples were prepared from commercially available solvent oil No. 200, available from Hemiku and Shili chemical Co., ltd, at a primary boiling point of 143℃and a 98% distillation temperature of 182℃and a density of 770kg/m 3 Bromine index was 39mg/100g.
Example 1
The example provides an engine coating liquid, which comprises the following raw materials in parts by weight. The solvent oil is No. 200 solvent oil. The silicone oil is purchased from Jinan Wandefeng environmental protection technology Co., ltd, and is dimethyl silicone oil with CAS number of 63148-62-9, viscosity of 300cp (25 ℃), and surface tension of 20..
The preparation method of the engine coating liquid comprises the following steps: and mixing solvent oil and silicone oil according to parts by weight to obtain a mixture A, and treating the mixture A by terahertz equipment to obtain the engine coating liquid.
Example 2
This example provides an engine coating liquid, which is different from example 1 in that the raw materials of the engine coating liquid include 57 parts by weight of solvent oil and 42 parts by weight of silicone oil.
The preparation method of the engine coating liquid is the same as that of the example 1.
Example 3
This example provides an engine coating liquid, which is different from example 1 in that the raw materials of the engine coating liquid include 75 parts by weight of solvent oil and 26 parts by weight of silicone oil.
The preparation method of the engine coating liquid is the same as that of the example 1.
Example 4
This example provides an engine coating liquid, which is different from example 1 in that the raw materials of the engine coating liquid include 50 parts by weight of solvent oil and 50 parts by weight of silicone oil.
The preparation method of the engine coating liquid is the same as that of the example 1.
Example 5
This example provides an engine coating liquid, which is different from example 1 in that the raw materials of the engine coating liquid include, by weight, 50-70 parts of solvent oil and 25-46 parts of silicone oil. The silicone oil is purchased from Jinan Wandefeng environmental protection technology Co., ltd, and is dimethyl silicone oil with CAS number of 63148-62-9, viscosity of 500cp (25 ℃), and surface tension of 21..
The preparation method of the engine coating liquid is the same as that of the example 1.
Performance test:
1. stability test: after the engine coating solutions obtained in examples 1 to 5 were left at room temperature for 40 days, the appearance was observed for the presence of precipitation and the generation of off-flavors, and the results are shown in Table 1:
TABLE 1
| Examples | Gloss level |
| 1 | No sediment and no peculiar smell |
| 2 | No sediment and no peculiar smell |
| 3 | No precipitate and peculiar smell |
| 4 | Has the advantages of precipitation and no foreign odor |
| 5 | No sediment and no peculiar smell |
2. And (3) testing automobile exhaust emission: 50mL of the engine coating liquid obtained in example 1 was sprayed on the outer surface of a 7-seat minibus engine, and the exhaust gas before and after spraying the engine coating liquid was tested by an automobile exhaust gas detector with the model number NHA-506, and the results are shown in Table 2:
TABLE 2
| Automobile exhaust gas name | Before spraying engine coating liquid | After spraying the engine coating liquid |
| Hydrocarbons (ppm) | 151×10 -6 | 83×10 -6 |
| Nitric oxide (ppm) | 148×10 -6 | 5×10 -6 |
| Carbon monoxide (%) | 0.41 | 0.04 |
| Carbon dioxide (%) | 19.43 | 20 |
3. And (3) testing automobile exhaust emission: 50mL of the engine coating liquid obtained in example 1 is sprayed on the outer surface of a 4-seat car engine, and tail gas before and after spraying the engine coating liquid is tested by an automobile exhaust gas detector with the model number of NHA-506, and the results are shown in Table 3:
TABLE 3 Table 3
| Automobile exhaust gas name | Before spraying engine coating liquid | After spraying the engine coating liquid |
| Hydrocarbons (ppm) | 198×10 -6 | 61×10 -6 |
| Nitric oxide (ppm) | 814×10 -6 | 6×10 -6 |
| Carbon monoxide (%) | 0.5 | 0.02 |
| Carbon dioxide (%) | 14.1 | 14.12 |
It is found that the engine coating liquid obtained in example 1 has high stability and can reduce the exhaust emission of the automobile when used on an engine of a 7-seat minibus.
Claims (10)
1. The engine coating liquid is characterized in that the engine coating liquid comprises solvent oil and silicone oil.
2. The engine coating solution of claim 1, wherein the solvent oil is selected from one or more of No. 120 solvent oil, no. 150 solvent oil, no. 200 solvent oil.
3. The engine coating solution of claim 1, wherein the solvent oil has a primary boiling point of 135-150 ℃.
4. The engine coating solution of claim 1, wherein the solvent oil has a primary boiling point of 139-145 ℃.
5. The engine coating solution of claim 1, wherein the solvent oil has a 98% distillation temperature of 170-195 ℃.
6. The engine coating solution of claim 1, wherein the solvent oil has a 98% distillation temperature of 178-185 ℃.
7. The engine coating liquid according to any one of claims 1 to 6, wherein the density of the solvent oil is 760 to 800kg/m 3 。
8. The engine coating solution of claim 1, wherein the silicone oil has a viscosity of 250-300cp.
9. The engine coating liquid according to any one of claims 1 to 8, wherein the engine coating liquid comprises, in parts by weight, 50 to 70 parts of solvent oil and 25 to 46 parts of silicone oil.
10. The use of the engine coating solution according to claim 1, wherein the engine coating solution is used in the automotive engine field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210108460.0A CN116063923A (en) | 2022-01-28 | 2022-01-28 | Engine coating liquid and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210108460.0A CN116063923A (en) | 2022-01-28 | 2022-01-28 | Engine coating liquid and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116063923A true CN116063923A (en) | 2023-05-05 |
Family
ID=86170518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210108460.0A Pending CN116063923A (en) | 2022-01-28 | 2022-01-28 | Engine coating liquid and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116063923A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700907A (en) * | 2016-11-15 | 2017-05-24 | 3M中国有限公司 | Tire glazing agent and preparation method thereof, and tire glazing method |
| CN108690758A (en) * | 2018-05-28 | 2018-10-23 | 广州卡士德汽车用品有限公司 | A kind of engine chamber Rapid Cleaning maintaining agent and preparation method thereof |
| CN109536017A (en) * | 2017-08-18 | 2019-03-29 | 福建好优新材料有限公司 | A kind of building materials oiliness protection of penetration agent and preparation method thereof |
| CN111205764A (en) * | 2020-02-19 | 2020-05-29 | 广州赫厉狮森汽车用品有限公司 | Coating agent for engine room of automobile engine and preparation method of coating agent |
| CN113004788A (en) * | 2021-02-19 | 2021-06-22 | 3M中国有限公司 | Surface finishing composition |
-
2022
- 2022-01-28 CN CN202210108460.0A patent/CN116063923A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106700907A (en) * | 2016-11-15 | 2017-05-24 | 3M中国有限公司 | Tire glazing agent and preparation method thereof, and tire glazing method |
| CN109536017A (en) * | 2017-08-18 | 2019-03-29 | 福建好优新材料有限公司 | A kind of building materials oiliness protection of penetration agent and preparation method thereof |
| CN108690758A (en) * | 2018-05-28 | 2018-10-23 | 广州卡士德汽车用品有限公司 | A kind of engine chamber Rapid Cleaning maintaining agent and preparation method thereof |
| CN111205764A (en) * | 2020-02-19 | 2020-05-29 | 广州赫厉狮森汽车用品有限公司 | Coating agent for engine room of automobile engine and preparation method of coating agent |
| CN113004788A (en) * | 2021-02-19 | 2021-06-22 | 3M中国有限公司 | Surface finishing composition |
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