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 partm110 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 partm110 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 ℃.