CN107057558A - A kind of environment-friendly type heat conductive silicone grease composition and its preparation method and application - Google Patents
A kind of environment-friendly type heat conductive silicone grease composition and its preparation method and application Download PDFInfo
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- CN107057558A CN107057558A CN201611046758.4A CN201611046758A CN107057558A CN 107057558 A CN107057558 A CN 107057558A CN 201611046758 A CN201611046758 A CN 201611046758A CN 107057558 A CN107057558 A CN 107057558A
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- silicone grease
- heat conductive
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- 239000004519 grease Substances 0.000 title claims abstract description 38
- 229920001296 polysiloxane Polymers 0.000 title claims abstract description 36
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000010881 fly ash Substances 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 230000009466 transformation Effects 0.000 claims abstract description 15
- 238000003756 stirring Methods 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 11
- 229920002545 silicone oil Polymers 0.000 claims abstract description 11
- 229910017083 AlN Inorganic materials 0.000 claims abstract description 9
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000002245 particle Substances 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002910 solid waste Substances 0.000 claims description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- 230000005619 thermoelectricity Effects 0.000 claims 1
- 230000001050 lubricating effect Effects 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical group OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000002562 thickening agent Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000003916 acid precipitation Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000001149 cognitive effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- -1 density For 2.5g/cm3 Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000003924 oil dispersant Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 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
- 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
- C08K3/28—Nitrogen-containing compounds
-
- 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
- C08K3/34—Silicon-containing compounds
-
- 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
-
- 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
- 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
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- 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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with aluminium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Lubricants (AREA)
Abstract
The invention belongs to power transmission and transformation line technical field, more particularly to a kind of environment-friendly type heat conductive silicone grease composition and its preparation method and application.The environment-friendly type heat conductive silicone grease composition includes the dispersant of 15wt%~25wt% methyl-silicone oil, 60wt%~80wt% aluminium nitride or carborundum, 6wt%~20wt% flyash and 20wt%~30wt%.Its preparation method is：(1) according to the content of each component, methyl-silicone oil, flyash and dispersant is weighed, container for stirring is put into uniform；(2) after the mixture in step (1) stirs, then silicon carbide powder or silicon carbide powder the addition container for stirring weighed up, described environment-friendly type heat conductive silicone grease composition is made after stirring.The environment-friendly type heat conductive silicone grease composition of the present invention has preferable heat conduction and anti-wear and wear-resistant performance, can meet heat conduction and resistant to elevated temperatures requirement of the power transmission and transformation line to lubricating grease.
Description
Technical field
The invention belongs to power transmission and transformation line technical field, more particularly to a kind of environment-friendly type heat conductive silicone grease composition and its preparation
Methods and applications.
Background technology
Steel-cored aluminium strand is simple in construction, set up and operation maintenance convenience, circuit low cost, transmission capacity greatly, with enough
Mechanical strength and tensile strength, be adaptable to the laying of Various Complex geographical conditions, thus be widely used in various electricity
In the built on stilts electric line for pressing grade, the vital task of transmission electric energy carry.But in actual motion, steel-cored aluminium strand face
Face the influence of a variety of severe factors, for example：In the salt fog of coastal area, wire fretting wear, air caused by natural wind
Moisture, impurity, acid rain etc., these factors cause steel-cored aluminium strand internal resistance excessive, and heating is serious, steel-cored aluminium strand corrosion rate compared with
The situation of height, wire strand breakage and broken string happens occasionally, and makes the safe operation of power transmission and transformation line by serious threat, substantially reduces
The service life of power transmission and transformation line.
In order to improve the running status of power transmission and transformation line, increase the service life, it is many using in steel-cored aluminium strand at present
Steel core carries out zinc-plated processing, and smears thermally conductive grease.This method improves the overheat of power transmission and transformation line to a certain extent
Situation, has delayed the corrosion of power transmission and transformation line, extends the service life of power transmission and transformation line.But it is now widely used for power transmission and transformation
The thermal conductive greases effect of circuit is simultaneously not ideal enough, and its heat conductivility and high-temperature heat-resistance performance are limited, cause power transmission and transformation line not
Reach optimal working condition.
Heat-conducting silicone grease is mixed by heat filling filling silicon oil more, and the heat conductivility of heat-conducting silicone grease largely takes
Certainly in the selection of heat filling, common filler include metal dust, metal oxide, metal nitride, etc..Wherein nitrogenize
Aluminium, carborundum has that thermal conductivity is high, thermal coefficient of expansion is small, it is nontoxic the features such as, be widely used in as cheap heat filling
In heat-conducting silicone grease.But aluminium nitride and silicon carbide powder specific surface area are less, and lipophile is not good, and thickening base oil is limited in one's ability.
Therefore, the present invention uses flyash as thickening agent, the preferable heat-conducting silicone grease of processability.Flyash is coal-fired electricity
The typical solid silicate discarded object of factory's discharge, its main component is silica and aluminum oxide, is in pass cellular tissue more, than
Surface area is big, with higher adsorption activity.Complicated components, the degradability of flyash are poor, have potential hazard to environment.But
Meanwhile, flyash is again containing abundant useful constituent and not yet by cognitive functional characteristic, therefore scientific worker in recent years
Focus on finding its approach and technology for efficiently utilizing.Flyash is applied to the preparation of heat-conducting silicone grease by the present invention, not only can be with
More cheap, the more preferable heat-conducting silicone grease of heat-conducting effect is developed, while efficiently to utilize flyash, reducing its pressure to ecological environment
Power provides a kind of approach.
The content of the invention
The invention provides a kind of environment-friendly type heat conductive silicone grease composition and its preparation method and application, concrete technical scheme is such as
Under：
A kind of environment-friendly type heat conductive silicone grease composition, includes 15wt%~25wt% methyl-silicone oil, 60wt%~80wt%
The dispersant of aluminium nitride or carborundum, 6wt%~20wt% flyash and 20wt%~30wt%.Wherein methyl-silicone oil is used as base
Plinth oil, flyash is as thickening agent, and with methyl-silicone oil formation pasty masses, long-term stand will not the solid separation of oil；Aluminium nitride or
Carborundum is used as heat filling.
The methyl-silicone oil is commercially available chemically pure reagent, and its viscosity is 1000cs, and operating temperature is -40 DEG C~280 DEG C, close
Spend for 0.985g/cm2(25℃)。
The aluminium nitride is a kind of pale powder, and density is 3.2g/cm3, fusing point is 2200 DEG C, and thermal conductivity factor is
270W/m*k, particle mean size is 1~5 μm.
The carborundum is a kind of black powder, and density is 3.2g/cm3, fusing point is 2700 DEG C, and thermal conductivity factor is 200W/
M*k, particle mean size is 1~5 μm.
The flyash is the silicate solid wastes that thermal power plant produces, and its main component is Al2O3And SiO2, density
For 2.5g/cm3, particle mean size is between 0.5~300 μm.
The dispersant is ethylene glycol or nitrogen borated dispersant.
A kind of preparation method of environment-friendly type heat conductive silicone grease composition as described above, comprises the following steps：
(1) according to the content of each component, methyl-silicone oil, flyash and dispersant is weighed, container for stirring is put into uniform；
(2) after the mixture in step (1) stirs, then the silicon carbide powder or silicon carbide powder that weigh up added
Enter container for stirring, described environment-friendly type heat conductive silicone grease composition is made after stirring.
Environment-friendly type heat conductive silicone grease composition as described above is used for the radiating and sealing of power transmission and transformation line.
The heat-conducting silicone grease of the present invention has used the powder with high thermal conductivity coefficient as heat filling, using flyash as
Thickening agent, the heat-conducting silicone grease of preparation has higher thermal conductivity factor and dropping point, and other performances are also close to state of the art.
The heat dissipating state of power transmission and transformation line can be effectively improved when using, the reliability of power transmission and transformation line is improved and increases the service life.
Embodiment
With reference to specific embodiment, the present invention will be further described.
Embodiment
According to composition range involved in the present invention, the heat-conducting silicone grease of four kinds of different ratios is prepared, its content is shown in Table 1.System
Preparation Method is：According to the mass content of the component, methyl-silicone oil, flyash and dispersant are weighed, container for stirring is put into equal
It is even；It is to be mixed it is uniform after, then the aluminium nitride or silicon carbide powder weighed up added container for stirring, it is i.e. obtained after stirring
Required heat conductive silicone grease composition.In order to contrast conveniently, inventor has also listed a kind of commercially available import heat-conducting silicone grease, its main property
It can compare and be shown in Table 2.
The specific composition (wt%) of each embodiment heat-conducting silicone grease of table 1
| Title | Aluminium nitride | Carborundum | Flyash | Methyl-silicone oil | Dispersant |
| Embodiment 1 | 60 | - | 18 | 22 | 20 |
| Embodiment 2 | 68 | - | 9 | 23 | 21 |
| Embodiment 3 | - | 77 | 8 | 15 | 12 |
| Embodiment 4 | - | 80 | 15 | 15 | 12 |
The heat-conducting silicone grease of the embodiment of the present invention of table 2 is compared with existing silicone grease main performance
From Table 2, it can be seen that heat-conducting silicone grease prepared by embodiment 1~4 has higher dropping point value and thermal conductivity factor, it is excellent
In commercially available import heat-conducting silicone grease.
Claims (6)
1. a kind of environment-friendly type heat conductive silicone grease composition, it is characterised in that methyl-silicone oil, 60wt% including 15wt%~25wt%
The dispersant of~80wt% aluminium nitride or carborundum, 6wt%~20wt% flyash and 20wt%~30wt%.
2. a kind of environment-friendly type heat conductive silicone grease composition according to claim 1, it is characterised in that the aluminium nitride is averaged
Granularity is 1~5 μm, and the particle mean size of the carborundum is 1~5 μm.
3. a kind of environment-friendly type heat conductive silicone grease composition according to claim 1, it is characterised in that the flyash is thermoelectricity
The silicate solid wastes that factory produces, particle mean size is between 0.5~300 μm.
4. a kind of environment-friendly type heat conductive silicone grease composition according to claim 1, it is characterised in that the dispersant is second two
Alcohol or nitrogen borated dispersant.
5. a kind of preparation method of environment-friendly type heat conductive silicone grease composition described in claim any one of 1-4, it is characterised in that bag
Include following steps：
(1) according to the content of component described in claim 1, methyl-silicone oil, flyash and dispersant is weighed, is put into container and stirs
Mix uniform；
(2) after the mixture in step (1) stirs, then silicon carbide powder or silicon carbide powder the addition appearance weighed up
Stirred in device, described environment-friendly type heat conductive silicone grease composition is made after stirring.
6. a kind of application of environment-friendly type heat conductive silicone grease composition described in claim any one of 1-4, it is characterised in that the ring
Guarantor's type heat conductive silicone grease composition is used for the radiating and sealing of power transmission and transformation line.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016108223026 | 2016-09-13 | ||
| CN201610822302 | 2016-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107057558A true CN107057558A (en) | 2017-08-18 |
Family
ID=59619723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611046758.4A Pending CN107057558A (en) | 2016-09-13 | 2016-11-23 | A kind of environment-friendly type heat conductive silicone grease composition and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107057558A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534358A (en) * | 2020-05-09 | 2020-08-14 | 中山市特好德润滑科技有限公司 | Heat-conducting lubricating grease and preparation method and application thereof |
| CN114773992A (en) * | 2022-04-07 | 2022-07-22 | 浙江泰仑电力集团有限责任公司 | Rat-proof oil for ADSS optical cable |
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|---|---|---|---|---|
| JP2986825B2 (en) * | 1989-02-08 | 1999-12-06 | ダウ コーニング コーポレーション | Thermally conductive organosiloxane composition |
| CN1990819A (en) * | 2005-12-27 | 2007-07-04 | 信越化学工业株式会社 | Heat conductive silicone grease composition |
| CN101294067A (en) * | 2008-06-20 | 2008-10-29 | 清华大学 | Heat conductive silicone grease composition |
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| CN104341772A (en) * | 2013-07-30 | 2015-02-11 | 霍尼韦尔国际公司 | Heat-conducting polyamide composition for application of LED (Light Emitting Diode) radiator |
| CN104672911A (en) * | 2015-03-03 | 2015-06-03 | 矽照光电（厦门）有限公司 | Preparation method of carbon nanotube doped weather-proof heat conductive silicone grease for LED |
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2016
- 2016-11-23 CN CN201611046758.4A patent/CN107057558A/en active Pending
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111534358A (en) * | 2020-05-09 | 2020-08-14 | 中山市特好德润滑科技有限公司 | Heat-conducting lubricating grease and preparation method and application thereof |
| CN111534358B (en) * | 2020-05-09 | 2022-03-29 | 中山市特好德润滑科技有限公司 | Heat-conducting lubricating grease and preparation method and application thereof |
| CN114773992A (en) * | 2022-04-07 | 2022-07-22 | 浙江泰仑电力集团有限责任公司 | Rat-proof oil for ADSS optical cable |
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Application publication date: 20170818 |
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