CN113105742A - High-temperature-resistant heat-conducting silicone grease with reduced energy consumption and preparation method thereof - Google Patents
High-temperature-resistant heat-conducting silicone grease with reduced energy consumption and preparation method thereof Download PDFInfo
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- CN113105742A CN113105742A CN202110340007.8A CN202110340007A CN113105742A CN 113105742 A CN113105742 A CN 113105742A CN 202110340007 A CN202110340007 A CN 202110340007A CN 113105742 A CN113105742 A CN 113105742A
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- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 40
- 239000004519 grease Substances 0.000 title claims abstract description 37
- 238000005265 energy consumption Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 90
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229920002545 silicone oil Polymers 0.000 claims abstract description 53
- 239000006229 carbon black Substances 0.000 claims abstract description 45
- 239000011787 zinc oxide Substances 0.000 claims abstract description 45
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000000654 additive Substances 0.000 claims abstract description 30
- 230000000996 additive effect Effects 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 16
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 229910021485 fumed silica Inorganic materials 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000000843 powder Substances 0.000 abstract description 6
- 238000000926 separation method Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000012546 transfer Methods 0.000 abstract description 2
- 239000004020 conductor Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 230000035699 permeability Effects 0.000 description 5
- 238000009736 wetting Methods 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of 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; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/22—Expanded, porous or hollow particles
- C08K7/24—Expanded, porous or hollow particles inorganic
- C08K7/26—Silicon- containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
Abstract
The invention discloses high-temperature-resistant heat-conducting silicone grease with reduced energy consumption, and relates to the technical field of heat interface organic heat-conducting materials. The heat-conducting silicone grease is prepared from the following raw materials in parts by weight: 50-90 parts of an additive and 10-50 parts of silicone oil, wherein the additive is a mixture of zinc oxide, aluminum oxide and white carbon black. In addition, the invention also provides a preparation method of the heat-conducting silicone grease. According to the invention, the aluminum oxide, the zinc oxide and the white carbon black are effectively compounded to be used as basic components of the additive, a good powder heat transfer structure is formed in the matching of the heat conduction powder and the silicone oil, the heat conduction powder has high heat conductivity, can resist high temperature for a long time, is good in thixotropy and low in oil separation degree and volatility, is applied to an air energy water heater, can keep working for a long time, does not climb oil, and effectively prolongs the service life of a machine. In addition, the heat-conducting silicone grease is simple in raw materials, simple in preparation process and high in economic benefit.
Description
Technical Field
The invention relates to a thermal interface organic heat conduction material, in particular to high-temperature-resistant heat conduction silicone grease with reduced energy consumption and a preparation method thereof.
Background
Under the severe challenges of environmental pollution and energy shortage, household appliances such as air conditioners, microwave ovens, water heaters and the like pay attention to environmental protection and simultaneously achieve the effects of energy conservation, emission reduction and energy consumption reduction. The air energy water heater absorbs low-temperature heat in the environment, the low-temperature heat is converted into high-temperature heat energy through compression of the compressor to play a role in heating water temperature, and the whole working process has the characteristics of high efficiency, energy conservation and environmental protection. The normal work of the water heater can be ensured.
The heat conduction silicone grease can accelerate heat conduction in air, so that the working efficiency of the air energy water heater is accelerated, the high-efficiency and energy-saving effects are achieved, and the heat conduction silicone grease required by the air energy water heater has the characteristics of high temperature resistance, low volatilization and low oil permeability. However, the heat-conducting silicone grease in the prior art cannot achieve the balance among high temperature resistance, low volatilization and low oil permeability at the same time, when the volatility is low, the oil permeability is high, and when the volatility is high, the oil permeability is low, so that a heat-conducting silicone grease with low volatilization and low oil permeability is urgently needed.
Disclosure of Invention
The invention provides high-temperature-resistant heat-conducting silicone grease with reduced energy consumption and a preparation method thereof, and aims to solve the problems in the background art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
the high-temperature-resistant heat-conducting silicone grease with the reduced energy consumption is prepared from the following raw materials in parts by weight: 50-90 parts of an additive and 10-50 parts of silicone oil, wherein the additive is a mixture of zinc oxide, aluminum oxide and white carbon black.
Preferably, in the present invention, the additive is 80 parts and the silicone oil is 20 parts.
Furthermore, the additive comprises, by weight, 40-80 parts of aluminum oxide, 10-30 parts of zinc oxide and 0.1-2 parts of white carbon black.
Furthermore, the weight ratio of the aluminum oxide to the zinc oxide to the white carbon black is 30:10: 0.8.
Furthermore, the alumina is angle alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 100-300 m2/g。
In one embodiment of the present invention, the silicone oil is one or a combination of two or more kinds of dimethyl silicone oils having different viscosities, and the viscosity of the silicone oil is 1000 to 20000cSt at normal temperature.
In addition, the invention also provides a preparation method of the high-temperature-resistant heat-conducting silicone grease with reduced energy consumption, which comprises the following steps: weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Compared with the prior art, the invention has the following beneficial effects: the invention not only has better heat conduction effect, but also has excellent high temperature resistance, low oil separation degree and volatile matter, and completely meets the requirements of customers on the over-performance aspects of heat conduction, heat resistance and stability; in addition, the invention has simple production process, single equipment and low cost, meets the requirement of environmental protection and has good economic benefit and industrial production prospect.
Detailed Description
The present invention is described below by way of examples, but the present invention is not limited to these examples, and any modifications, equivalent substitutions, improvements and the like within the spirit and principle of the present invention should be included in the scope of the present invention.
Example 1
The preparation method of the high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption comprises the following components in parts by weight: 50 parts of additives and 50 parts of silicone oil, wherein the additives comprise zinc oxide, aluminum oxide and white carbon black. In the additive, calculated by weight portion, 60 portions of alumina, 20 portions of zinc oxide and 1.6 portions of white carbon black.
Wherein the alumina is angular alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 230m2(ii)/g; the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
The preparation method comprises the following steps:
weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Example 2
The preparation method of the high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption comprises the following components in parts by weight: 70 parts of additive and 30 parts of silicone oil, wherein the additive comprises zinc oxide, aluminum oxide and white carbon black. In the additive, calculated by weight portion, 60 portions of alumina, 20 portions of zinc oxide and 1.6 portions of white carbon black.
Wherein the alumina is angular alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 230m2(ii)/g; the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
The preparation method comprises the following steps:
weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Example 3
The preparation method of the high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption comprises the following components in parts by weight: 80 parts of additive and 20 parts of silicone oil, wherein the additive comprises zinc oxide, aluminum oxide and white carbon black. In the additive, calculated by weight portion, 60 portions of alumina, 20 portions of zinc oxide and 1.6 portions of white carbon black.
Wherein the alumina is angular alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 230m2(ii)/g; the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
The preparation method comprises the following steps:
weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Example 4
The preparation method of the high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption comprises the following components in parts by weight: 90 parts of additive and 10 parts of silicone oil, wherein the additive comprises zinc oxide, aluminum oxide and white carbon black. In the additive, calculated by weight portion, 60 portions of alumina, 20 portions of zinc oxide and 1.6 portions of white carbon black.
Wherein the alumina is angular alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 230m2(ii)/g; the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
The preparation method comprises the following steps:
weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Example 5
The preparation method of the high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption comprises the following components in parts by weight: 80 parts of additive and 20 parts of silicone oil, wherein the additive comprises zinc oxide, aluminum oxide and white carbon black. In the additive, calculated by weight portion, 40 portions of alumina, 10 portions of zinc oxide and 0.1 portion of white carbon black.
Wherein the alumina is angular alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 100m2(ii)/g; the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
The preparation method comprises the following steps:
weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Example 6
The preparation method of the high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption comprises the following components in parts by weight: 80 parts of additive and 20 parts of silicone oil, wherein the additive comprises zinc oxide, aluminum oxide and white carbon black. In the additive, calculated by weight portion, 80 portions of alumina, 30 portions of zinc oxide and 2 portions of white carbon black.
Wherein the alumina is angular alumina, and the particle size of the alumina is 0.1-20 μm; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 300m2(ii)/g; the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
The preparation method comprises the following steps:
weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
Test examples
Comparison of the Performance tests of the thermally conductive Silicone greases (not to scale, all results are shown in the Table)
From the above data, it can be seen that the experimental scheme of example 3 has the best example, which has higher thermal conductivity, lower oil separation and volatility, and can better balance the relationship among the three, and meet the requirements.
2. Comparison of thermal stability of thermally conductive Silicone greases
The silicone greases of examples 1-6 were applied to aluminum sheets respectively to form a 3mm thick gel sample, and the gel sample was left at 200 ℃ for 240 hours and then taken out to observe the condition of the silicone grease, and the results are as follows:
| examples | Results |
| Example 1 | Surface wetting and no cracking |
| Example 2 | Surface wetting and no cracking |
| Example 3 | Surface wetting and no cracking |
| Example 4 | Surface drying and cracking |
| Example 5 | Surface wetting with cracks |
| Example 6 | Surface wetting with cracks |
In conclusion, the aluminum oxide, the zinc oxide and the white carbon black are effectively compounded to be used as basic components of the additive, a good powder heat transfer structure is formed in the matching of the heat-conducting powder and the silicone oil, the heat-conducting powder has high heat conductivity, can resist high temperature for a long time, is good in thixotropy and low in oil separation degree and volatility, is applied to an air energy water heater, can keep working for a long time, does not climb oil, and effectively prolongs the service life of a machine. In addition, the heat-conducting silicone grease is simple in raw materials, simple in preparation process and high in economic benefit.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. 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 (7)
1. The high-temperature-resistant heat-conducting silicone grease with the function of reducing energy consumption is characterized by being prepared from the following raw materials in parts by weight: 50-90 parts of an additive and 10-50 parts of silicone oil, wherein the additive is a mixture of zinc oxide, aluminum oxide and white carbon black.
2. The high-temperature-resistant heat-conducting silicone grease with reduced energy consumption as claimed in claim 1, wherein: the additive accounts for 80 parts, and the silicone oil accounts for 20 parts.
3. The high-temperature-resistant heat-conducting silicone grease with reduced energy consumption as claimed in claim 1, wherein: in the additive, by weight, 40-80 parts of aluminum oxide, 10-30 parts of zinc oxide and 0.1-2 parts of white carbon black are added.
4. The high-temperature-resistant heat-conducting silicone grease with reduced energy consumption as claimed in claim 3, wherein: the weight ratio of the aluminum oxide to the zinc oxide to the white carbon black is 30:10: 0.8.
5. The high-temperature-resistant heat-conducting silicone grease with reduced energy consumption as claimed in claim 4, wherein: the alumina is angular alumina, and the particle size of the alumina is 0.1-20 mu m; the particle size of the zinc oxide is 0.1-10 mu m; the white carbon black is fumed silica, the purity is more than or equal to 99.8 percent, and the specific surface area is 100-300 m2/g。
6. The high-temperature-resistant heat-conducting silicone grease with reduced energy consumption as claimed in claim 1, wherein: the silicone oil is one or more than two of dimethyl silicone oils with different viscosities, and the viscosity of the silicone oil is 1000-20000 cSt at normal temperature.
7. A method for preparing the high-temperature resistant heat-conducting silicone grease with reduced energy consumption according to any one of claims 1 to 6, which comprises the following steps: weighing the aluminum oxide, the zinc oxide, the white carbon black and the silicone oil according to the weight ratio, then putting the aluminum oxide, the white carbon black and the silicone oil into a dynamic mixer to be stirred for 40min, then adding the zinc oxide to continue vacuumizing and stirring for 30min, and finally obtaining the final silicone grease.
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Citations (5)
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|---|---|---|---|---|
| JPS63235398A (en) * | 1987-03-24 | 1988-09-30 | Shin Etsu Chem Co Ltd | Silicone grease composition |
| CN102558867A (en) * | 2011-12-13 | 2012-07-11 | 北京海斯迪克新材料有限公司 | Low-trailing heat conductive silicone grease composition and preparation method thereof |
| CN105331108A (en) * | 2015-10-26 | 2016-02-17 | 李修兵 | High thermal conductive silicone grease and preparation method thereof |
| CN106566251A (en) * | 2016-11-08 | 2017-04-19 | 上海大学 | Method for selecting particle size distribution ranges and filling amount ratio of heat-conducting silica gel thermal interface material powder filler |
| CN107286663A (en) * | 2017-07-03 | 2017-10-24 | 湖南宁乡吉唯信金属粉体有限公司 | A kind of heat-conducting silicone grease and its preparation method and application |
-
2021
- 2021-03-30 CN CN202110340007.8A patent/CN113105742A/en active Pending
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|---|---|---|---|---|
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| CN102558867A (en) * | 2011-12-13 | 2012-07-11 | 北京海斯迪克新材料有限公司 | Low-trailing heat conductive silicone grease composition and preparation method thereof |
| CN105331108A (en) * | 2015-10-26 | 2016-02-17 | 李修兵 | High thermal conductive silicone grease and preparation method thereof |
| CN106566251A (en) * | 2016-11-08 | 2017-04-19 | 上海大学 | Method for selecting particle size distribution ranges and filling amount ratio of heat-conducting silica gel thermal interface material powder filler |
| CN107286663A (en) * | 2017-07-03 | 2017-10-24 | 湖南宁乡吉唯信金属粉体有限公司 | A kind of heat-conducting silicone grease and its preparation method and application |
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