CN102036539A - Antifouling electronic radiator and treatment process thereof - Google Patents

Antifouling electronic radiator and treatment process thereof Download PDF

Info

Publication number
CN102036539A
CN102036539A CN2010106189201A CN201010618920A CN102036539A CN 102036539 A CN102036539 A CN 102036539A CN 2010106189201 A CN2010106189201 A CN 2010106189201A CN 201010618920 A CN201010618920 A CN 201010618920A CN 102036539 A CN102036539 A CN 102036539A
Authority
CN
China
Prior art keywords
radiating fin
antifouling
surface energy
low surface
energy coatings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2010106189201A
Other languages
Chinese (zh)
Other versions
CN102036539B (en
Inventor
王宝柱
赵羽石
向丰华
张东亮
沈浩
范洪波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YUJIE NEW MATERIAL CO Ltd DONGGUAN CITY
Original Assignee
YUJIE NEW MATERIAL CO Ltd DONGGUAN CITY
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by YUJIE NEW MATERIAL CO Ltd DONGGUAN CITY filed Critical YUJIE NEW MATERIAL CO Ltd DONGGUAN CITY
Priority to CN 201010618920 priority Critical patent/CN102036539B/en
Publication of CN102036539A publication Critical patent/CN102036539A/en
Application granted granted Critical
Publication of CN102036539B publication Critical patent/CN102036539B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention belongs to the technical field of radiators and particularly relates to an antifouling electronic radiator and a treatment process thereof. The antifouling electronic radiator comprises a base, a fan and a radiating fin, wherein the fan is arranged at one end of the base; the radiating fin is arranged at the other end of the base; and the surface of the radiating fin is provided with a low-surface-energy coating layer. The antifouling electronic radiator has good antifouling effect, low heat resistance, high temperature change resistance and high corrosion resistance. The treatment process of the antifouling electronic radiator comprises a (a) surface treatment process, a (b) coating process, a (c) curing process and a (d) installation process. The treatment process is simple and efficient, the stability and color consistency of the low-surface-energy coating layer is easy to control and high repeatability is realized.

Description

A kind of antifouling electronic radiation device and treatment process thereof
Technical field
The invention belongs to the heat sink technology field, particularly a kind of antifouling electronic radiation device and treatment process thereof.
Background technology
The miniaturization Design and the performance of electronic product constantly promote, make the power density of chip constantly increase, as the common compute chip CPU that is used for computer and communication equipment, DSP etc., integrated power chip I GBT, VMOS device etc., all need stable heat dissipation design during operation, carry out the heat that generation is taken away in stable heat exchange by radiator, in being fit to temperature range, work to guarantee chip.Statistics shows, because the bad equipment fault that causes of heat radiation accounts for more than 70% of precise electronic product failure rate.And cause dispelling the heat that bad factor is bad except contact conduction, the radiator quality dampening factor, the reason 80% or more comes from effect of dust, wherein fiber-like, biological dust, aerosol are the main components of the dust that dispels the heat of influence.Be deposited on the dust of spreader surface, with the surface combination position of radiator because capillarity, steam, salt fog and the acid-base class etchant gas in the absorbed air easily, cause corrosion of metals, the metal oxide of formation has further been strengthened the adhesive force of dust and spreader surface.
With the air is the heat loss through convection amount Q=H * A * Δ T of exchange heat medium, and high more, the effective contact area A of coefficient of heat convection H is big more, temperature difference Δ T is remarkable more, and the heat that can take away is also just many more.Effectively contact area A is meant the convection current contact area of radiator with air, the direct proportion coefficient decision that the coefficient of heat convection is made of combined factors such as air quantity, radiator fins surface wind speeds, and A and H are big more, and radiating effect is good more.
Existing radiator does not have antifouling design, and when spreader surface was covered by dust, skin resistance increased, and coefficient of heat convection H reduces; The coefficient of heat conduction of dust is very low, and the loose cover layer that dust forms has hindered the exchange of heat, causes area of dissipation A to reduce relatively; Final Δ T reaches capacity, and radiator lost efficacy.Radiator lost efficacy, and heat can not convection current distributes and causes device temperature to raise, and when surpassing the tolerable temperature of device, device just can break down, can not be normally, heat radiation stably.
Therefore, at the initial stage of dust deposit, how making dust be difficult for adhering to, protect the radiator metal surface not corroded by steam, salt fog simultaneously, is a design key of radiator.
Publication number is that 1814862 Chinese invention patent discloses a kind of " improving the method for surface hydrophobic property of metal material ", and this method uses blasting craft to make slightly superization of material surface, uses silanes coating to carry out surface modification then.
The process of surface treatment of above-mentioned employing is unsuitable for the radiator production of intensive assembling, and silanes coating surface dipping modified technique is wayward aspect the stability of coating surface and color consistency, and the surface can not form continuous film and carry out anti-corrosion protection.
Publication number is that 101417278 Chinese invention patent discloses " a kind of treatment process of super hydrophobic surface ", and this method is carried out surface-coated after adopting particle material and low-surface-energy material to mix, and obtains the hydrophobic surface of certain roughness.This patent utilization the thermal resistance larger particles form coating more than 30 microns, the coating that thermal resistance is big can influence heat dispersion.
Summary of the invention
The objective of the invention is to provides a kind of antifouling electronic radiation device at the deficiencies in the prior art, its anti-fouling effect, thermal resistance are low, the heatproof degree change functional, corrosion resistance is strong.
Another object of the present invention provides a kind of treatment process of above-mentioned antifouling electronic radiation device, and this treatment process is simply efficient, controls the stability and the color consistency of low surface energy coatings layer easily, good reproducibility.
The object of the present invention is achieved like this:
A kind of antifouling electronic radiation device, it comprises pedestal, fan and radiating fin, and fan is arranged at an end of pedestal, and radiating fin is arranged at the other end of pedestal, and the surface of described radiating fin is provided with the low surface energy coatings layer.
Wherein, described radiating fin is made by aluminium alloy, copper material or aluminium nickel plating material, and the low surface energy coatings layer is formed by the surface that any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on radiating fin.
Wherein, described low surface energy coatings layer is water white low surface energy coatings layer.
Wherein, the thickness of described low surface energy coatings layer is 0.2 μ m~20 μ m.
Preferably, the thickness of described low surface energy coatings layer is 1 μ m~5 μ m.
Wherein, the water contact angle of described low surface energy coatings layer is greater than 98 °.
Wherein, the water contact angle of described low surface energy coatings layer is 100 °~130 °.
A kind of treatment process of antifouling electronic radiation device, it comprises following processing step:
(a) surface treatment procedure: radiating fin in ultrasonic bath, is cleaned with cleaning fluid, and scavenging period is 3 minutes ~ 10 minutes, uses ethanol dehydration then, dries, and removes the surface dirt and the greasy dirt of radiating fin;
(b) apply operation: the surface that any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on radiating fin;
(c) curing process: radiating fin placed under 90 ℃~220 ℃ the temperature to be cured, make low surface energy coatings form continuously low surface energy coatings layer uniformly on the surface of radiating fin;
(d) installation procedure: will be mounted to antifouling electronic radiation device through radiating fin and pedestal, the fan after step (c) is handled.
Wherein, after described step (a) surface treatment procedure, (b) apply before the operation, also comprise the processing of step (a1) microetch: use 5% NaOH earlier, under the condition of 70 ℃ of temperature, radiating fin to be carried out the microetch on surface and handle, the processing time is 3 minutes ~ 10 minutes; Use red fuming nitric acid (RFNA) to add 5% hydrofluoric acid then, radiating fin is carried out the microetch on surface and handle, the processing time is 5 seconds ~ 20 seconds.
Wherein, in described step (a) surface treatment procedure, cleaning fluid is made up of following raw materials by weight percent: NaOH 1%, sodium carbonate 4%, surfactant 0.2%, temperature are 65 ℃~80 ℃ hot water 94.8%; Step (b) applies operation and is specially: adopt any one mode in dip-coating, showering, spraying, the electrostatic spraying, any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on the surface of radiating fin.
Beneficial effect of the present invention: a kind of antifouling electronic radiation device, it comprises pedestal, fan and radiating fin, and fan is arranged at an end of pedestal, and radiating fin is arranged at the other end of pedestal, and the surface of described radiating fin is provided with the low surface energy coatings layer.A kind of antifouling electronic radiation device of the present invention, its radiating fin surface is provided with the low surface energy coatings layer, water white transparency after the low surface energy coatings layer film forming, do not change the metallic luster of primary electron radiator, the thermal resistance that is increased<3%, its water contact angle become film hardness at 2B ~ 7H greater than 98 degree; The low surface energy coatings layer has good closure, can prevent corrosion of metals, the test of employing saline fog method, corrosion-resistant grade improves 3 ~ 6 grades, have good heat resistance, to 100 degree loop tests, the water contact angle and the anti-corrosion capability of coating do not descend at-20 degree, can prevent that water in air gas, etchant gas from corroding radiating fin, hydrophobic, the oleophobic performance of low surface energy coatings layer can effectively prevent the adhesion and the gathering of dust simultaneously.A kind of antifouling electronic radiation device good antifouling effect of the present invention, thermal resistance are low, the heatproof degree change functional, corrosion resistance is strong.
A kind of treatment process of antifouling electronic radiation device, it comprises following processing step: (a) surface treatment procedure: with radiating fin in ultrasonic bath, clean with cleaning fluid, scavenging period is 3 minutes ~ 10 minutes, use ethanol dehydration then, dry, remove the surface dirt and the greasy dirt of radiating fin; (b) apply operation: the surface that any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on radiating fin; (c) curing process: radiating fin placed under 90 ℃~220 ℃ the temperature to be cured, make low surface energy coatings form continuously low surface energy coatings layer uniformly on the surface of radiating fin; (d) installation procedure: will be mounted to antifouling electronic radiation device through radiating fin and pedestal, the fan after step (c) is handled.The treatment process of a kind of antifouling electronic radiation device of the present invention, technology are simply efficient, control the stability and the color consistency of low surface energy coatings layer easily, good reproducibility.
Embodiment
The present invention is further illustrated with specific embodiment below, but the present invention is not subjected to the qualification of following embodiment.
Embodiment 1.
A kind of antifouling electronic radiation device, it comprises pedestal, fan and radiating fin, and fan is arranged at an end of pedestal, and radiating fin is arranged at the other end of pedestal, and the surface of described radiating fin is provided with the low surface energy coatings layer.
Radiating fin is that aluminum alloy materials is formed, the low surface energy coatings layer is formed by the surface that ptfe emulsion is coated on radiating fin, polytetrafluoroethylene (Polytetrafluoroethene) is a kind of artificial synthesized polymer material that has used fluorine to replace all hydrogen atoms in the polyethylene.This material has the characteristics of antiacid alkali resistant, anti-various organic solvents, is dissolved in all solvents hardly; Have hydrophobic, oleophobic performance, can effectively prevent the advantage of the adhesion and the gathering of dust; Simultaneously, polytetrafluoroethylene has resistant to elevated temperatures characteristics, and the heatproof degree changes functional, and its coefficient of friction is extremely low, and thermal resistance is low.
The low surface energy coatings layer is water white low surface energy coatings layer, and the thickness of low surface energy coatings layer is 20 μ m, and the water contact angle of low surface energy coatings layer is 100 °.
The treatment process of above-mentioned a kind of antifouling electronic radiation device may further comprise the steps:
(a) surface treatment procedure: radiating fin in ultrasonic bath, is cleaned with cleaning fluid, and scavenging period is 3 minutes, uses ethanol dehydration then, dries, and removes the surface dirt and the greasy dirt of radiating fin; Cleaning fluid is made up of following raw materials by weight percent: NaOH 1%, sodium carbonate 4%, surfactant 0.2%, temperature are 80 ℃ of hot water 94.8%.
(b) apply operation: with the surface of ptfe emulsion dip-coating in radiating fin.
(c) curing process: radiating fin placed under 220 ℃ the temperature to be cured, make low surface energy coatings form continuously low surface energy coatings layer uniformly on the surface of radiating fin.
(d) installation procedure: will be mounted to antifouling electronic radiation device through radiating fin and pedestal, the fan after step (c) is handled.
Embodiment 2.
A kind of antifouling electronic radiation device, it comprises pedestal, fan and radiating fin, and fan is arranged at an end of pedestal, and radiating fin is arranged at the other end of pedestal, and the surface of described radiating fin is provided with the low surface energy coatings layer.
Radiating fin is made by copper material, and the low surface energy coatings layer is formed by the surface that fluorocarbon coating is coated on radiating fin.Fluorocarbon coating refers to the fluororesin to be the coating of main film forming substance; Claim fluorine carbon lacquer, fluorine coating, fluorine resin coating etc. again.It has weatherability, thermal endurance, lower temperature resistance, chemical proofing, and has unique not viscosity and low friction property.Fluorocarbon coating has extremely low surface energy, and surface dirt can be self-cleaning by rainwater, also has fabulous hydrophobicity (maximum water absorption rate is less than 5%), oleophobic property, and a coefficient of friction minimum (0.15 ~ 0.17), can non-dust absorption and non-fouling, and soil resistance is good.
The low surface energy coatings layer is water white low surface energy coatings layer, and the thickness of low surface energy coatings layer is 4 μ m, and the water contact angle of low surface energy coatings layer is 115 °.
The treatment process of above-mentioned a kind of antifouling electronic radiation device may further comprise the steps:
(a) surface treatment procedure: radiating fin in ultrasonic bath, is cleaned with cleaning fluid, and scavenging period is 6 minutes, uses ethanol dehydration then, dries, and removes the surface dirt and the greasy dirt of radiating fin; Cleaning fluid is made up of following raw materials by weight percent: NaOH 1%, sodium carbonate 4%, surfactant 0.2%, temperature are 75 ℃ of hot water 94.8%.
(a1) microetch is handled: use 5% NaOH earlier, under the condition of 70 ℃ of temperature, radiating fin is carried out the microetch on surface and handle, the processing time is 3 minutes; Use red fuming nitric acid (RFNA) to add 5% hydrofluoric acid then, radiating fin is carried out the microetch on surface and handle, the processing time is 5 seconds.
(b) apply operation: with the surface of fluorocarbon coating showering in radiating fin.
(c) curing process: radiating fin placed under 160 ℃ the temperature to be cured, make low surface energy coatings form continuously low surface energy coatings layer uniformly on the surface of radiating fin.
(d) installation procedure: will be mounted to antifouling electronic radiation device through radiating fin and pedestal, the fan after step (c) is handled.
Embodiment 3.
A kind of antifouling electronic radiation device, it comprises pedestal, fan and radiating fin, and fan is arranged at an end of pedestal, and radiating fin is arranged at the other end of pedestal, and the surface of described radiating fin is provided with the low surface energy coatings layer.
Radiating fin is made by aluminium nickel plating material, (Yujie New Material Co., Ltd., Dongguan City produces the low surface energy coatings layer by silicon fluoride modified silicone resin synthetic paint, the UR507 type) surface that is coated on radiating fin forms, the silane-modified silicones synthetic paint of fluoroalkyl comes modified silicone resin to make by adding methyl trifluoro propyl dimethoxy silane, and the silane-modified silicones synthetic paint of fluoroalkyl has lasting antifouling property.
The low surface energy coatings layer is water white low surface energy coatings layer, and the thickness of low surface energy coatings layer is 5 μ m, and the water contact angle of low surface energy coatings layer is 130 °.
The treatment process of above-mentioned a kind of antifouling electronic radiation device may further comprise the steps:
(a) surface treatment procedure: radiating fin in ultrasonic bath, is cleaned with cleaning fluid, and scavenging period is 10 minutes, uses ethanol dehydration then, dries, and removes the surface dirt and the greasy dirt of radiating fin; Cleaning fluid is made up of following raw materials by weight percent: NaOH 1%, sodium carbonate 4%, surfactant 0.2%, temperature are 65 ℃ of hot water 94.8%.
(a1) microetch is handled: use 5% NaOH earlier, under the condition of 70 ℃ of temperature, radiating fin is carried out the microetch on surface and handle, the processing time is 10 minutes; Use red fuming nitric acid (RFNA) to add 5% hydrofluoric acid then, radiating fin is carried out the microetch on surface and handle, the processing time is 20 seconds.
(b) apply operation: the surface that silicon fluoride modified silicone resin synthetic paint is sprayed at radiating fin.
(c) curing process: radiating fin placed under 90 ℃ the temperature to be cured, make low surface energy coatings form continuously low surface energy coatings layer uniformly on the surface of radiating fin.
(d) installation procedure: will be mounted to antifouling electronic radiation device through radiating fin and pedestal, the fan after step (c) is handled.
The antifouling electronic radiation device that above-mentioned 3 embodiment make is tested, and the result is as follows:
The test of table 1 properties of product
Figure 895590DEST_PATH_IMAGE001
The above only is preferred embodiment of the present invention, so all equivalences of doing according to the described structure of patent claim of the present invention, feature and principle change or modify, is included in the patent claim of the present invention.

Claims (10)

1. antifouling electronic radiation device, it comprises pedestal, fan and radiating fin, and fan is arranged at an end of pedestal, and radiating fin is arranged at the other end of pedestal, it is characterized in that: the surface of described radiating fin is provided with the low surface energy coatings layer.
2. a kind of antifouling electronic radiation device according to claim 1, it is characterized in that: described radiating fin is made by aluminium alloy, copper material or aluminium nickel plating material, and the low surface energy coatings layer is formed by the surface that any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on radiating fin.
3. a kind of antifouling electronic radiation device according to claim 1 is characterized in that: described low surface energy coatings layer is water white low surface energy coatings layer.
4. a kind of antifouling electronic radiation device according to claim 1 is characterized in that: the thickness of described low surface energy coatings layer is 0.2 μ m~20 μ m.
5. a kind of antifouling electronic radiation device according to claim 4 is characterized in that: the thickness of described low surface energy coatings layer is 1 μ m~5 μ m.
6. a kind of antifouling electronic radiation device according to claim 1, it is characterized in that: the water contact angle of described low surface energy coatings layer is greater than 98 °.
7. a kind of antifouling electronic radiation device according to claim 6 is characterized in that: the water contact angle of described low surface energy coatings layer is 100 °~130 °.
8. the treatment process of the described a kind of antifouling electronic radiation device of claim 1, it is characterized in that: it comprises following processing step:
(a) surface treatment procedure: radiating fin in ultrasonic bath, is cleaned with cleaning fluid, and scavenging period is 3 minutes ~ 10 minutes, uses ethanol dehydration then, dries, and removes the surface dirt and the greasy dirt of radiating fin;
(b) apply operation: the surface that any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on radiating fin;
(c) curing process: radiating fin placed under 90 ℃~220 ℃ the temperature to be cured, make low surface energy coatings form continuously low surface energy coatings layer uniformly on the surface of radiating fin;
(d) installation procedure: will be mounted to antifouling electronic radiation device through radiating fin and pedestal, the fan after step (c) is handled.
9. the treatment process of the described a kind of antifouling electronic radiation device of claim 8, it is characterized in that: after described step (a) surface treatment procedure, (b) apply before the operation, also comprise the processing of step (a1) microetch: use 5% NaOH earlier, under the condition of 70 ℃ of temperature, radiating fin is carried out the microetch on surface and handle, the processing time is 3 minutes ~ 10 minutes; Use red fuming nitric acid (RFNA) to add 5% hydrofluoric acid then, radiating fin is carried out the microetch on surface and handle, the processing time is 5 seconds ~ 20 seconds.
10. the treatment process of the described a kind of antifouling electronic radiation device of claim 8, it is characterized in that: in described step (a) surface treatment procedure, cleaning fluid is made up of following raw materials by weight percent: NaOH 1%, sodium carbonate 4%, surfactant 0.2%, temperature are 65 ℃~80 ℃ hot water 94.8%; Step (b) applies operation and is specially: adopt any one mode in dip-coating, showering, spraying, the electrostatic spraying, any one low surface energy coatings in ptfe emulsion, fluorocarbon coating, the silicon fluoride modified silicone resin synthetic paint is coated on the surface of radiating fin.
CN 201010618920 2010-12-31 2010-12-31 Antifouling electronic radiator and treatment process thereof Expired - Fee Related CN102036539B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010618920 CN102036539B (en) 2010-12-31 2010-12-31 Antifouling electronic radiator and treatment process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010618920 CN102036539B (en) 2010-12-31 2010-12-31 Antifouling electronic radiator and treatment process thereof

Publications (2)

Publication Number Publication Date
CN102036539A true CN102036539A (en) 2011-04-27
CN102036539B CN102036539B (en) 2013-04-03

Family

ID=43888617

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010618920 Expired - Fee Related CN102036539B (en) 2010-12-31 2010-12-31 Antifouling electronic radiator and treatment process thereof

Country Status (1)

Country Link
CN (1) CN102036539B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103224741A (en) * 2013-04-03 2013-07-31 广东电网公司电力科学研究院 Novel nano TiO2/PTFE hybrid fluorocarbon paint applied for resisting pollution flashover of insulators, and preparation method thereof
CN105611805A (en) * 2016-01-25 2016-05-25 电子科技大学 Thermal dissipation apparatus used for high-calorific-value electronic parts and components and preparation method for thermal dissipation apparatus
CN107247498A (en) * 2017-07-18 2017-10-13 宁波力泰电子科技有限公司 A kind of composite heat dissipation device
CN107368165A (en) * 2017-07-18 2017-11-21 浦江县顺光科技有限公司 A kind of Simple radiator
CN109054589A (en) * 2018-08-10 2018-12-21 四川大仁新创科技有限公司 A kind of radiator that graphene heat conducting coating is modified
CN109317386A (en) * 2018-08-17 2019-02-12 义乌工商职业技术学院 A kind for the treatment of process on nut surface
CN111503605A (en) * 2020-04-21 2020-08-07 哈尔滨鑫科纳米科技发展有限公司 Preparation method of L ED radiating fin with large radiating area

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7051790B2 (en) * 2003-12-19 2006-05-30 Asia Vital Component Co., Ltd. Protect cover for a radiator
CN201322254Y (en) * 2008-12-12 2009-10-07 黄梦是 Strong reflecting light emitting diode street lamp
CN101852415A (en) * 2010-03-31 2010-10-06 西北有色金属研究院 Treatment method of surface of high-power LED (Light-Emitting Diode) lamp radiator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7051790B2 (en) * 2003-12-19 2006-05-30 Asia Vital Component Co., Ltd. Protect cover for a radiator
CN201322254Y (en) * 2008-12-12 2009-10-07 黄梦是 Strong reflecting light emitting diode street lamp
CN101852415A (en) * 2010-03-31 2010-10-06 西北有色金属研究院 Treatment method of surface of high-power LED (Light-Emitting Diode) lamp radiator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103224741A (en) * 2013-04-03 2013-07-31 广东电网公司电力科学研究院 Novel nano TiO2/PTFE hybrid fluorocarbon paint applied for resisting pollution flashover of insulators, and preparation method thereof
CN103224741B (en) * 2013-04-03 2016-06-08 广东电网公司电力科学研究院 A kind of nano-TiO being applied to insulator dirt-proof2/ PTFE hybrid fluorocarbon paint and preparation method thereof
CN105611805A (en) * 2016-01-25 2016-05-25 电子科技大学 Thermal dissipation apparatus used for high-calorific-value electronic parts and components and preparation method for thermal dissipation apparatus
CN107247498A (en) * 2017-07-18 2017-10-13 宁波力泰电子科技有限公司 A kind of composite heat dissipation device
CN107368165A (en) * 2017-07-18 2017-11-21 浦江县顺光科技有限公司 A kind of Simple radiator
CN109054589A (en) * 2018-08-10 2018-12-21 四川大仁新创科技有限公司 A kind of radiator that graphene heat conducting coating is modified
CN109317386A (en) * 2018-08-17 2019-02-12 义乌工商职业技术学院 A kind for the treatment of process on nut surface
CN111503605A (en) * 2020-04-21 2020-08-07 哈尔滨鑫科纳米科技发展有限公司 Preparation method of L ED radiating fin with large radiating area

Also Published As

Publication number Publication date
CN102036539B (en) 2013-04-03

Similar Documents

Publication Publication Date Title
CN102036539B (en) Antifouling electronic radiator and treatment process thereof
Li et al. Large-scale fabrication of durable and robust super-hydrophobic spray coatings with excellent repairable and anti-corrosion performance
Zou et al. Superhydrophobic double-layer coating for efficient heat dissipation and corrosion protection
Xie et al. Photothermal trap with multi-scale micro-nano hierarchical structure enhances light absorption and promote photothermal anti-icing/deicing
Tang et al. Superhydrophobic and anti-icing properties at overcooled temperature of a fluorinated hybrid surface prepared via a sol–gel process
Liu et al. Preparation of a superhydrophobic coating based on polysiloxane modified SiO2 and study on its anti-icing performance
CN109929285B (en) Composite material and preparation method and application thereof
Sun et al. A scalable, self-healing and hot liquid repelling superamphiphobic spray coating with remarkable mechanochemical robustness for real-life applications
Zheng et al. Facile fabrication of robust, biomimetic and superhydrophobic polymer/graphene-based coatings with self-cleaning, oil-water separation, anti-icing and corrosion resistance properties
CN101514270A (en) Ice coating resistance paint composition
JP2015048534A (en) Coating, coating method, and coated article
Zhang et al. Robust photothermal superhydrophobic coatings with dual-size micro/nano structure enhance anti-/de-icing and chemical resistance properties
Wang et al. Facilely constructing micro-nanostructure superhydrophobic aluminum surface with robust ice-phobicity and corrosion resistance
CN103665973A (en) Preparation process of inorganic copper imitation coating and process for replacing protective and decorative copper layer of metal surface with inorganic copper imitation coating
CN102558993B (en) Nano-silica/silicone-acrylate composite icing-resistant coating, and preparation method and application thereof
Ge et al. Formation and properties of superhydrophobic Al coatings on steel
Wang et al. Highly reliable double-layer coatings on magnesium alloy surfaces for robust superhydrophobicity, chemical durability and electrical property
Tao et al. A review on mechanism and application of functional coatings for overhead transmission lines
CN103084321B (en) Preparation process for nanometer perfluorocarbon composite coating
Chen et al. Effects of microstructure design on aluminum surface hydrophobic and ice‐retarding properties
Wei et al. Fluorine-free photothermal superhydrophobic copper oxide micro-/nanostructured coatings for anti-icing/de-icing applications
Liu et al. Superhydrophobic coating for blade surface ice-phobic properties of wind turbines: A review
CN1100102C (en) Film-forming agent for hydrophilic and corrosion resistant film, its precoated film aluminium foil and film forming method
CN201985087U (en) Antifouling electronic radiator
Chaitanya et al. Per-fluorinated chemical free robust superhydrophobic copper surface using a scalable technique

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130403

Termination date: 20201231

CF01 Termination of patent right due to non-payment of annual fee