CN103627268A - Wear-resistant high-thermal-conductivity fluorocarbon coating - Google Patents
Wear-resistant high-thermal-conductivity fluorocarbon coating Download PDFInfo
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- CN103627268A CN103627268A CN201310638437.3A CN201310638437A CN103627268A CN 103627268 A CN103627268 A CN 103627268A CN 201310638437 A CN201310638437 A CN 201310638437A CN 103627268 A CN103627268 A CN 103627268A
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Abstract
The invention relates to the technical field of solar cell back plates, particularly to a wear-resistant high-thermal-conductivity fluorocarbon coating. The wear-resistant high-thermal-conductivity fluorocarbon coating comprises fluorocarbon matrix resin, a solvent, functional fillers, functional auxiliaries and a curing agent. The fluorocarbon coating is endowed with the performance of heat conduction and wear resistance on the premise that the excellent weather-proof performance of the fluorocarbon coating is not changed, so that the environmental adaptation of solar cell back plates coated with the fluorocarbon coating can be improved, and the service lives of the solar cell back plates are prolonged; aluminum oxide has better fracture toughness, and meanwhile, has better thermal conductivity, while the carbon packing has high thermal conductivity and wear resistance, and has high electrical conductivity, the electrical conductivity of the carbon packing can be reduced by grafting an electric adsorbent on the surface of the carbon packing, and the electrical conductivity of the carbon packing can be further reduced under the interference of the aluminum oxide, so that good insulating performance of the back plates can be ensured.
Description
Technical field
The present invention relates to a kind of coating, relate in particular to a kind of fluorocarbon coating of wear-resisting high thermal conductivity.
Background technology
Fluorocarbon coating is to take the general designation of the coating series that fluorine resin is main film forming matter, and it is through modification, a kind of new coating material of processing on fluoro-resin basis.The superior coating performance of fluorocarbon coating derives from the structure of F-C key.Fluorine is the element of electronegativity maximum; atomic radius is very little; C-F the key forming is extremely short; bond energy is large; fluorine atom close-packed arrays in polymer carbon around; play good provide protection, given the performances such as the resistance to solvent, oil resistant, weather of fluoropolymer excellence, high temperature resistant, chemicals-resistant, clean surfaces.Fluorocarbon coating is widely used on sun power backboard with its excellent weather resistance.
Although fluorocarbon coating weather resistance is excellent, thermal conductivity is poor, and the dissipation of heat that is difficult for solar cell to produce, in air, can cause the backboard reduction in work-ing life.Under the more environment of the sandstones such as desert, need to increase the wear resisting property of coating simultaneously.
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Summary of the invention
For prior art deficiency, the invention provides a kind of fluorocarbon coating of wear-resisting high thermal conductivity.
In order to overcome the defect existing in background technology, the technical solution adopted for the present invention to solve the technical problems is: the fluorocarbon coating of this wear-resisting high thermal conductivity comprises fluorocarbon radicals body resin, solvent, functional stuffing, functional agent and solidifying agent.
According to another embodiment of the invention, further comprise that described fluorocarbon radicals body resin is trifluorochloroethylene and alkyl vinyl ether co-polymer or tetrafluoroethylene and alkyl vinyl ether co-polymer or fluorine vinylchlorid and vinyl ester copolymer.
According to another embodiment of the invention, further comprise that described solvent is ethyl acetate or butylacetate.
According to another embodiment of the invention, further comprise that described functional stuffing is aluminium sesquioxide and carbon modified class filler, its particle diameter of aluminium sesquioxide is 1um-10um, and addition is 5 parts-15 parts, and surface-modifying agent used is KH550, KH560 or titante coupling agent; Carbon modified class filler comprises carbon black, flakey carbon dust, and electro-adsorbent used is the compound that contains ether, alkoxyl group, carbonyl and acyl group, and its particle diameter is 1um-10um, and addition is 5 parts-15 parts.
According to another embodiment of the invention, further comprise that described functional agent comprises dispersion agent, flow agent or defoamer, described dispersion agent is selected from Efka-4061, Efka-4046 and Efla-4050, and described flow agent is selected from Irgaflo part
m110 and Efka
@3600, defoamer is selected from poly-propionic acid fat, polydimethylsiloxane and fluorine modified organic silicon.
According to another embodiment of the invention, further comprise that described solidifying agent is aliphatic polymeric isocyanate or aliphatic polymeric isocyanate.
According to another embodiment of the invention, further comprise the making method of the fluorocarbon coating of wear-resisting high thermal conductivity, comprise the steps:
The first step, takes fluorocarbon radicals body resin 20-30 part, functional agent 0.3-0.5 part, and solvent 1-5 part, stirs;
Second step, take in the stirring thing that 10 parts-30 parts of functional stuffings join the first step, then high-speed stirring is even;
The 3rd step adds solvent 15-20 part in the stirring thing of second step, grinding distribution, and being ground to fineness is 1-10u;
The 4th step adds fluorocarbon radicals body resin 20-30 part in the dispersion of the 3rd step, functional agent 0.4-0.8 part, and high-speed stirring is dispersed to below fineness 20u;
The 5th step, adds appropriate solvent to be adjusted to suitable viscosity;
The 6th step, can be adjusted to solid content for 20-30wt% during use, add the solidifying agent of 5-10 part, can use and brush and roller coat;
The 7th step, the sample coating is placed 1min-3min at 120 ℃-150 ℃, slaking 3-5 days at 50 ℃-60 ℃.
The invention has the beneficial effects as follows: the fluorocarbon coating in the present invention, not changing under the prerequisite of its excellent weather resistance, is given coating heat transfer, wear-resisting performance, the environmental adaptation that can improve application type sun power backboard, increases the service life.Aluminium sesquioxide has good fracture toughness property, has good thermal conductivity simultaneously.Carbon class filler has high heat conduction and wear resistance equally, but carbon class filler has high electroconductibility, the grafting of its surface being carried out to electro-adsorbent can reduce its electroconductibility, further reduces electroconductibility under the interference of aluminium sesquioxide, can keep the insulating property that backboard is good.
Embodiment
The fluorocarbon coating of this wear-resisting high thermal conductivity comprises fluorocarbon radicals body resin, solvent, functional stuffing, functional agent and solidifying agent.
Fluorocarbon radicals body resin is that trifluorochloroethylene and alkyl vinyl ether co-polymer form or tetrafluoroethylene and alkyl vinyl ether co-polymer composition or fluorine vinylchlorid and vinyl ester copolymer composition
Solvent is ethyl acetate or butylacetate.
Functional stuffing is aluminium sesquioxide and carbon modified class filler.Its particle diameter of aluminium sesquioxide is 1um-10um, and addition is 5 parts-15 parts, and surface-modifying agent used is KH550, KH560 or titante coupling agent.Carbon modified class filler comprises carbon black, flakey carbon dust, and electro-adsorbent used is the compound that contains ether, alkoxyl group, carbonyl and acyl group, and its particle diameter is 1um-10um, and addition is 5 parts-15 parts.
Functional agent comprises dispersion agent, flow agent or defoamer, and described dispersion agent is selected from Efka-4061, Efka-4046 and Efla-4050, and described flow agent is selected from Irgaflo part
m110 and Efka
@3600, defoamer is selected from poly-propionic acid fat, polydimethylsiloxane and fluorine modified organic silicon.
Solidifying agent is aliphatic polymeric isocyanate or aliphatic polymeric isocyanate.
The making method of the fluorocarbon coating of wear-resisting high thermal conductivity, comprises the steps:
The first step, takes fluorocarbon radicals body resin 20-30 part, functional agent 0.3-0.5 part, and solvent 1-5 part, stirs;
Second step, take in the stirring thing that 10 parts-30 parts of functional stuffings join the first step, then high-speed stirring is even;
The 3rd step adds solvent 15-20 part in the stirring thing of second step, grinding distribution, and being ground to fineness is 1-10u;
The 4th step adds fluorocarbon radicals body resin 20-30 part in the dispersion of the 3rd step, functional agent 0.4-0.8 part, and high-speed stirring is dispersed to below fineness 20u;
The 5th step, adds appropriate solvent to be adjusted to suitable viscosity;
The 6th step, can be adjusted to solid content for 20-30wt% during use, add the solidifying agent of 5-10 part, can use and brush and roller coat;
The 7th step, the sample coating is placed 1min-3min at 120 ℃-150 ℃, slaking 3-5 days at 50 ℃-60 ℃.
Implementation column one
The first step, takes 20 parts of fluorocarbon radicals body resins, 0.3 part of dispersion agent, and 1 part of ethyl acetate, stirs;
Second step, takes 5 parts of 5 parts of aluminium sesquioxides and Modified Activated Carbon class fillers, joins in the stirring thing of the first step, and high-speed stirring is even.
The 3rd step, then add 15 parts of ethyl acetate in the stirring thing of second step, grinding distribution, being ground to fineness is 1-10u.
The 4th step, adds 20 parts of fluorocarbon radicals body resins, the defoamer of 0.1 part, and in flow agent to the three steps of 0.3 part, high-speed stirring is dispersed to below fineness 20u.
The 5th step, adds appropriate solvent to be adjusted to suitable viscosity.
The 6th step, can be adjusted to solid content for 20-30wt% during use, add the solidifying agent of 5-10 part.Can use and brush and roller coat.
The 7th step, the sample coating is placed 1min-3min at 120 ℃-150 ℃, slaking 3-5 days at 50 ℃-60 ℃.
Implementation column two
The first step, takes 25 parts of fluorocarbon radicals body resins, 0.4 part of dispersion agent, and 3 parts of butylacetates, stir;
Second step, takes 12 parts of 10 parts of aluminium sesquioxides and Modified Activated Carbon class fillers, joins in the stirring thing of the first step, and high-speed stirring is even.
The 3rd step, then add 16 parts of butylacetates in the stirring thing of second step, grinding distribution, being ground to fineness is 1-10u.
The 4th step, adds 25 parts of fluorocarbon radicals body resins, the defoamer of 0.2 part, and in flow agent to the three steps of 0.35 part, high-speed stirring is dispersed to below fineness 20u.
The 5th step, adds appropriate solvent to be adjusted to suitable viscosity.
The 6th step, can be adjusted to solid content for 20-30wt% during use, add the solidifying agent of 5-10 part.Can use and brush and roller coat.
The 7th step, the sample coating is placed 1min-3min at 120 ℃-150 ℃, slaking 3-5 days at 50 ℃-60 ℃.
Implementation column three
The first step, takes 30 parts of fluorocarbon radicals body resins, 0.5 part of dispersion agent, and 5 parts of butylacetates, stir;
Second step, takes 5 parts of 5 parts of aluminium sesquioxides and Modified Activated Carbon class fillers, joins in the stirring thing of the first step, and high-speed stirring is even.
The 3rd step, then add 20 parts of ethyl acetate in the stirring thing of second step, grinding distribution, being ground to fineness is 1-10u.
The 4th step, adds 20 parts of fluorocarbon radicals body resins, the defoamer of 0.3 part, and in flow agent to the three steps of 0.5 part, high-speed stirring is dispersed to below fineness 20u.
The 5th step, adds appropriate solvent to be adjusted to suitable viscosity.
The 6th step, can be adjusted to solid content for 20-30wt% during use, add the solidifying agent of 5-10 part.Can use and brush and roller coat.
The 7th step, the sample coating is placed 1min-3min at 120 ℃-150 ℃, slaking 3-5 days at 50 ℃-60 ℃.
Claims (7)
1. a fluorocarbon coating for wear-resisting high thermal conductivity, is characterized in that: comprise fluorocarbon radicals body resin, solvent, functional stuffing, functional agent and solidifying agent.
2. the fluorocarbon coating of wear-resisting high thermal conductivity as claimed in claim 1, is characterized in that: described fluorocarbon radicals body resin is trifluorochloroethylene and alkyl vinyl ether co-polymer or tetrafluoroethylene and alkyl vinyl ether co-polymer or fluorine vinylchlorid and vinyl ester copolymer.
3. the fluorocarbon coating of wear-resisting high thermal conductivity as claimed in claim 1, is characterized in that: described solvent is ethyl acetate or butylacetate.
4. the fluorocarbon coating of wear-resisting high thermal conductivity as claimed in claim 1; it is characterized in that: described functional stuffing is aluminium sesquioxide and carbon modified class filler; its particle diameter of aluminium sesquioxide is 1um-10um; addition is 5 parts-15 parts; surface-modifying agent used is KH550, KH560 or titante coupling agent; carbon modified class filler comprises carbon black, flakey carbon dust; electro-adsorbent used is the compound that contains ether, alkoxyl group, carbonyl and acyl group; its particle diameter is 1um-10um, and addition is 5 parts-15 parts.
5. the fluorocarbon coating of wear-resisting high thermal conductivity as claimed in claim 1, it is characterized in that: described functional agent comprises dispersion agent, flow agent or defoamer, described dispersion agent is selected from Efka-4061, Efka-4046 or Efla-4050, and described flow agent is selected from Irgaflo part
m110 or Efka
@3600, defoamer is selected from poly-propionic acid fat, polydimethylsiloxane or fluorine modified organic silicon.
6. the fluorocarbon coating of wear-resisting high thermal conductivity as claimed in claim 1, is characterized in that: described solidifying agent is aliphatic polymeric isocyanate or aliphatic polymeric isocyanate.
7. the making method of the fluorocarbon coating of wear-resisting high thermal conductivity as claimed in claim 1, is characterized in that: the making method of the fluorocarbon coating of wear-resisting high thermal conductivity, comprises the steps:
The first step, takes fluorocarbon radicals body resin 20-30 part, functional agent 0.3-0.5 part, and solvent 1-5 part, stirs;
Second step, take in the stirring thing that 10 parts-30 parts of functional stuffings join the first step, then high-speed stirring is even;
The 3rd step adds solvent 15-20 part in the stirring thing of second step, grinding distribution, and being ground to fineness is 1-10u;
The 4th step adds fluorocarbon radicals body resin 20-30 part in the dispersion of the 3rd step, functional agent 0.4-0.8 part, and high-speed stirring is dispersed to below fineness 20u;
The 5th step, adds appropriate solvent to be adjusted to suitable viscosity;
The 6th step, can be adjusted to solid content for 20-30wt% during use, add the solidifying agent of 5-10 part, can use and brush and roller coat;
The 7th step, the sample coating is placed 1min-3min at 120 ℃-150 ℃, slaking 3-5 days at 50 ℃-60 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310638437.3A CN103627268A (en) | 2013-12-04 | 2013-12-04 | Wear-resistant high-thermal-conductivity fluorocarbon coating |
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| CN201310638437.3A CN103627268A (en) | 2013-12-04 | 2013-12-04 | Wear-resistant high-thermal-conductivity fluorocarbon coating |
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Cited By (6)
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|---|---|---|---|---|
| CN105670414A (en) * | 2016-03-18 | 2016-06-15 | 湖州国信物资有限公司 | Polytetrafluoroethylene-based composite coating and preparation method thereof |
| CN107652734A (en) * | 2017-09-15 | 2018-02-02 | 苏州罗格特光电科技有限公司 | A kind of photovoltaic cell backplane scratch resistant coatings and preparation method thereof |
| CN107841204A (en) * | 2017-11-03 | 2018-03-27 | 通威太阳能（安徽）有限公司 | A kind of Weather-resistant high reflection rate solar cell backboard film and preparation method thereof |
| CN108610864A (en) * | 2016-11-29 | 2018-10-02 | 宝山钢铁股份有限公司 | It is a kind of to prevent process of coking from generating coating and its application method that burnt plate is dropped down in tar adherency |
| CN109722107A (en) * | 2017-10-31 | 2019-05-07 | 丹阳西联生物技术有限公司 | A kind of lathe milling cutter wear-resistant coating |
| CN110452587A (en) * | 2019-08-27 | 2019-11-15 | 广西科技大学 | A kind of high-weatherability fluorocarbon coating and preparation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105670414A (en) * | 2016-03-18 | 2016-06-15 | 湖州国信物资有限公司 | Polytetrafluoroethylene-based composite coating and preparation method thereof |
| CN108610864A (en) * | 2016-11-29 | 2018-10-02 | 宝山钢铁股份有限公司 | It is a kind of to prevent process of coking from generating coating and its application method that burnt plate is dropped down in tar adherency |
| CN107652734A (en) * | 2017-09-15 | 2018-02-02 | 苏州罗格特光电科技有限公司 | A kind of photovoltaic cell backplane scratch resistant coatings and preparation method thereof |
| CN109722107A (en) * | 2017-10-31 | 2019-05-07 | 丹阳西联生物技术有限公司 | A kind of lathe milling cutter wear-resistant coating |
| CN107841204A (en) * | 2017-11-03 | 2018-03-27 | 通威太阳能（安徽）有限公司 | A kind of Weather-resistant high reflection rate solar cell backboard film and preparation method thereof |
| CN110452587A (en) * | 2019-08-27 | 2019-11-15 | 广西科技大学 | A kind of high-weatherability fluorocarbon coating and preparation method |
| CN110452587B (en) * | 2019-08-27 | 2022-04-01 | 广西科技大学 | High-weather-resistance fluorocarbon coating and preparation method thereof |
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Application publication date: 20140312 |