CN106047103A - Antistatic coating - Google Patents

Antistatic coating Download PDF

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Publication number
CN106047103A
CN106047103A CN201610680686.2A CN201610680686A CN106047103A CN 106047103 A CN106047103 A CN 106047103A CN 201610680686 A CN201610680686 A CN 201610680686A CN 106047103 A CN106047103 A CN 106047103A
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antistatic coating
copper
carbon fiber
copper powder
resin
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不公告发明人
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    • 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
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/06—Unsaturated polyesters having carbon-to-carbon unsaturation
    • 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
    • C08K3/02—Elements
    • C08K3/08—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
    • C08K7/02—Fibres or whiskers
    • C08K7/04—Fibres or whiskers inorganic
    • C08K7/06—Elements
    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/085—Copper

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  • 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)
  • Paints Or Removers (AREA)

Abstract

The application relates to an antistatic coating which is prepared with unsaturated resin as a base material. The unsaturated resin comprises maleic anhydride, phthalic anhydride, disodium ethylenediamine tetraacetate poly-400, propylene glycol, ethylene glycol, butylene glycol, NaOH, dibutyltin dilaurate, and 4-methoxyphenol. The antistatic coating is prepared with copper powder and copper-plated carbon fibers as fillers, wherein the mass ratio of the copper powder to the copper-plated carbon fibers is 3:4, the granular size of the copper powder is 300 meshes and the thickness of the copper-plated carbon fibers is 110 nm.

Description

A kind of antistatic coating
Technical field
The application relates to electrostatic coatings field, particularly relates to a kind of antistatic coating.
Background technology
Electrostatic coatings is a kind of functional coating, and it can conduct electric charge and can get rid of stored charge, say, that electrostatic The existing antistatic property of coating, has again the barrier propterty of coating itself.The U.S. is the earliest in the conducting resinl patent that 1948 announce Disclosed electrically-conducting paint；In early days, mainly based on silver system and carbon system antistatic coating.
Currently for antistatic coating, it is presented below as development trend: develop the addition type antistatic coating of high performance-price ratio, And reach preferable anti-static effect, be on the one hand exploitation high conductivity, low cost novel conductive fillers, to replace The precious metal materials such as silver, nickel, copper；On the other hand it is the electric conductivity improving addition type conductive filler, to keep the thing of original matrix Reason-chemical property, the most still facing a lot of problem for efficient conductive filler needs to solve.
Summary of the invention
It is desirable to provide a kind of antistatic coating, to solve problem set forth above.
Providing a kind of antistatic coating in embodiments of the invention, described antistatic coating uses unsaturated-resin to be base Material, containing cis-butenedioic anhydride in described unsaturated-resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene two Alcohol, NaOH, dibutyl tin laurate, MEHQ；Described antistatic coating uses copper powder and copper carbon fiber for filling out Material, described copper powder and described copper carbon fiber mass ratio are 3:4, and described copper powder size is 300 mesh, described copper carbon fiber copper film Thickness is 110nm.
The technical scheme that embodiments of the invention provide can include following beneficial effect:
The antistatic coating of the present invention, its surface resistivity is relatively low, possesses good antistatic effect, thus solves State proposition problem.
Aspect and advantage that the application adds will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by the practice of the application.It should be appreciated that above general description and details hereinafter only describe It is exemplary and explanatory, the application can not be limited.
Accompanying drawing explanation
The invention will be further described to utilize accompanying drawing, but the embodiment in accompanying drawing does not constitute any limit to the present invention System, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain according to the following drawings Other accompanying drawing.
Fig. 1 is the preparation flow figure of antistatic coating of the present invention.
Detailed description of the invention
Here will illustrate exemplary embodiment in detail, its example represents in the accompanying drawings.Explained below relates to During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represents same or analogous key element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the present invention.On the contrary, they are only with the most appended The example of the apparatus and method that some aspects that described in detail in claims, the present invention are consistent.
Electrostatic coatings is a kind of functional coating, and it can conduct electric charge and can get rid of stored charge, say, that electrostatic The existing antistatic property of coating, has again the barrier propterty of coating itself.The U.S. is the earliest in the conducting resinl patent that 1948 announce Disclosed electrically-conducting paint；In early days, mainly based on silver system and carbon system antistatic coating.
Along with the R and D of antistatic coating, Related product is more and more abundanter, its building industry, electron trade, Furniture industry, aviation and military field application are wide.At present, antistatic coating is divided into Intrinsical and addition type, and Intrinsical resists Electrostatic coatings is to be film forming matter by the polymer itself with electric conductivity, but, it is high that preparation cost prepared by this kind of coating, and application is relatively Few；Addition type antistatic coating is to add certain conductive filler in nonconducting resin itself to realize static conductive function, its Being formed conductive network in resin by conductive filler, embody electric conductivity, current conductive filler mainly has: carbon-based material, metal mold Powder, metal-oxide, conducting nanoparticles and antistatic additive etc..
Currently for antistatic coating, it is presented below as development trend: develop the addition type antistatic coating of high performance-price ratio, And reach preferable anti-static effect, be on the one hand exploitation high conductivity, low cost novel conductive fillers, to replace The precious metal materials such as silver, nickel, copper；On the other hand it is the electric conductivity improving addition type conductive filler, to keep the thing of original matrix Reason-chemical property, the most still facing a lot of problem for efficient conductive filler needs to solve.
Application scenarios one:
A kind of antistatic coating that embodiments herein relates to, described antistatic coating uses unsaturated-resin to be base Material, containing cis-butenedioic anhydride in described unsaturated-resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene two Alcohol, NaOH, dibutyl tin laurate, MEHQ.
In antistatic coating involved by the application, unsaturated-resin is base material, is that the aqueous of a kind of ultraviolet light polymerization is coated with Material, described unsaturated-resin side base contains the highly polar groups such as ether, hydroxyl, carboxyl, can produce conductive ion, become macromolecule Electrolyte, the surface resistivity of described unsaturated-resin is 5.2 × 109Ω/cm2。
Preferably, described antistatic coating uses copper powder and copper carbon fiber to be filler, described copper powder and described coppered carbon Fiber quality is than for 3:4, and described copper powder size is 300 mesh, and described copper carbon fiber copper film thickness is 110nm.
In the antistatic coating of the application, copper powder uniformly mixes with copper carbon fiber, is internally formed two dimension conduction at coating Network, reduces the surface resistivity of antistatic coating further.
Preferably, such as Fig. 1, the making step of described antistatic coating is as follows:
Step one, Treatment of Carbon:
Carbon fiber is cut into 2～5mm, is then immersed in 10h in acetone soln, then with deionized water to carbon fiber Clean 3～5 times；At room temperature, the carbon fiber after cleaning is immersed in concentrated nitric acid, takes out, then use deionized water after 1h Repeatedly clean, next put into oscillation cleaning 1h in supersonic cleaning machine, at 100 DEG C, be dried 2h；Dried carbon fiber is put into In magnetic control sputtering device, 10-4It is deposited with one layer of copper film at carbon fiber surface under Pa base vacuum, obtains copper carbon fiber；
Step 2, process copper powder:
50ml dehydrated alcohol concentrated hydrochloric acid solution is formulated in clean container, then weighs 25g copper powder and put in container, By solution stirring 1h, it is purified, then rinse 3 times with ether and dehydrated alcohol, until by-product HCl and CuCl2 Clean from Copper Powder Surface, then copper powder is placed in vacuum drying oven, take out standby after being dried 12h；
Step 3, prepares unsaturated-resin:
Take cis-butenedioic anhydride 0.44mol, phthalic anhydride 0.06mol, poly-400 0.145mol of disodiumedetate, propylene glycol 0.12mol, ethylene glycol 0.18mol, butylene glycol 0.05mol, add 0.3mol NaOH, 0.1% catalyst dibutyltin cinnamic acid two fourth Ji Xi, the polymerization inhibitor MEHQ mixing of 5/10000ths, fill this blend in the 250ml there-necked flask of band water knockout drum, It is placed in conduction oil, electric stirring, 160 DEG C of nitrogen atmospheres react 60min；It is warmed up to 180 DEG C, melt polymerization in nitrogen atmosphere 120min, then it is warming up to 195 DEG C, in nitrogen atmosphere, melt polymerization is 60 to acid number, is cooled to 100 DEG C and pours out, obtains after cooling The transparent unsaturated-resin of buff；
Step 4, prepares antistatic coating:
First weigh unsaturated-resin 100ml, add 5g copper powder and copper carbon fiber, be sufficiently mixed, add 3% silicon Alkane coupling agent, by mixture mechanical agitation, obtains antistatic coating.
Preferably, the antistatic coating prepared being coated in target object surface, coating thickness is 1～3 μm, then will It irradiates under distance ultraviolet source 10cm and makes curing of coatings.
Show it is further preferred that antistatic coating involved by the application to be carried out antistatic test, when copper powder adds Amount mass ratio is 15～25%, when copper powder and copper carbon fiber mass ratio are 3:4, and the surface resistivity of described antistatic coating It is 0.8～3.5 × 107Ω/cm2；After 60 days, aging resistance test shows, surface resistivity variable quantity is less than 5%.
Application scenarios two:
A kind of antistatic coating that embodiments herein relates to, described antistatic coating uses unsaturated-resin to be base Material, containing cis-butenedioic anhydride in described unsaturated-resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene two Alcohol, NaOH, dibutyl tin laurate, MEHQ.
In antistatic coating involved by the application, unsaturated-resin is base material, is that the aqueous of a kind of ultraviolet light polymerization is coated with Material, described unsaturated-resin side base contains the highly polar groups such as ether, hydroxyl, carboxyl, can produce conductive ion, become macromolecule Electrolyte, the surface resistivity of described unsaturated-resin is 5.2 × 109Ω/cm2。
Preferably, described antistatic coating uses copper powder and copper carbon fiber to be filler, described copper powder and described coppered carbon Fiber quality is than for 3:4, and described copper powder size is 300 mesh, and described copper carbon fiber copper film thickness is 110nm.
In the antistatic coating of the application, copper powder uniformly mixes with copper carbon fiber, is internally formed two dimension conduction at coating Network, reduces the surface resistivity of antistatic coating further.
Preferably, such as Fig. 1, the making step of described antistatic coating is as follows:
Step one, Treatment of Carbon:
Carbon fiber is cut into 2～5mm, is then immersed in 10h in acetone soln, then with deionized water to carbon fiber Clean 3～5 times；At room temperature, the carbon fiber after cleaning is immersed in concentrated nitric acid, takes out, then use deionized water after 1h Repeatedly clean, next put into oscillation cleaning 1h in supersonic cleaning machine, at 100 DEG C, be dried 2h；Dried carbon fiber is put into In magnetic control sputtering device, 10-4It is deposited with one layer of copper film at carbon fiber surface under Pa base vacuum, obtains copper carbon fiber；
Step 2, process copper powder:
50ml dehydrated alcohol concentrated hydrochloric acid solution is formulated in clean container, then weighs 25g copper powder and put in container, By solution stirring 1h, it is purified, then rinse 3 times with ether and dehydrated alcohol, until by-product HCl and CuCl2 Clean from Copper Powder Surface, then copper powder is placed in vacuum drying oven, take out standby after being dried 12h；
Step 3, prepares unsaturated-resin:
Take cis-butenedioic anhydride 0.44mol, phthalic anhydride 0.06mol, poly-400 0.145mol of disodiumedetate, propylene glycol 0.12mol, ethylene glycol 0.18mol, butylene glycol 0.05mol, add 0.3mol NaOH, 0.1% catalyst dibutyltin cinnamic acid two fourth Ji Xi, the polymerization inhibitor MEHQ mixing of 5/10000ths, fill this blend in the 250ml there-necked flask of band water knockout drum, It is placed in conduction oil, electric stirring, 160 DEG C of nitrogen atmospheres react 60min；It is warmed up to 180 DEG C, melt polymerization in nitrogen atmosphere 120min, then it is warming up to 195 DEG C, in nitrogen atmosphere, melt polymerization is 60 to acid number, is cooled to 100 DEG C and pours out, obtains after cooling The transparent unsaturated-resin of buff；
Step 4, prepares antistatic coating:
First weigh unsaturated-resin 100ml, add 5g copper powder and copper carbon fiber, be sufficiently mixed, add 3% silicon Alkane coupling agent, by mixture mechanical agitation, obtains antistatic coating.
Preferably, the antistatic coating prepared being coated in target object surface, coating thickness is 1～3 μm, then will It irradiates under distance ultraviolet source 10cm and makes curing of coatings.
Show it is further preferred that antistatic coating involved by the application to be carried out antistatic test, when copper powder adds Amount mass ratio is 15%, and when copper powder and copper carbon fiber mass ratio are 3:4, the surface resistivity of described antistatic coating is 0.8×107Ω/cm2；After 60 days, aging resistance test shows, surface resistivity variable quantity is less than 5%.
Application scenarios three:
A kind of antistatic coating that embodiments herein relates to, described antistatic coating uses unsaturated-resin to be base Material, containing cis-butenedioic anhydride in described unsaturated-resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene two Alcohol, NaOH, dibutyl tin laurate, MEHQ.
In antistatic coating involved by the application, unsaturated-resin is base material, is that the aqueous of a kind of ultraviolet light polymerization is coated with Material, described unsaturated-resin side base contains the highly polar groups such as ether, hydroxyl, carboxyl, can produce conductive ion, become macromolecule Electrolyte, the surface resistivity of described unsaturated-resin is 5.2 × 109Ω/cm2。
Preferably, described antistatic coating uses copper powder and copper carbon fiber to be filler, described copper powder and described coppered carbon Fiber quality is than for 3:4, and described copper powder size is 300 mesh, and described copper carbon fiber copper film thickness is 110nm.
In the antistatic coating of the application, copper powder uniformly mixes with copper carbon fiber, is internally formed two dimension conduction at coating Network, reduces the surface resistivity of antistatic coating further.
Preferably, such as Fig. 1, the making step of described antistatic coating is as follows:
Step one, Treatment of Carbon:
Carbon fiber is cut into 2～5mm, is then immersed in 10h in acetone soln, then with deionized water to carbon fiber Clean 3～5 times；At room temperature, the carbon fiber after cleaning is immersed in concentrated nitric acid, takes out, then use deionized water after 1h Repeatedly clean, next put into oscillation cleaning 1h in supersonic cleaning machine, at 100 DEG C, be dried 2h；Dried carbon fiber is put into In magnetic control sputtering device, 10-4It is deposited with one layer of copper film at carbon fiber surface under Pa base vacuum, obtains copper carbon fiber；
Step 2, process copper powder:
50ml dehydrated alcohol concentrated hydrochloric acid solution is formulated in clean container, then weighs 25g copper powder and put in container, By solution stirring 1h, it is purified, then rinse 3 times with ether and dehydrated alcohol, until by-product HCl and CuCl2 Clean from Copper Powder Surface, then copper powder is placed in vacuum drying oven, take out standby after being dried 12h；
Step 3, prepares unsaturated-resin:
Take cis-butenedioic anhydride 0.44mol, phthalic anhydride 0.06mol, poly-400 0.145mol of disodiumedetate, propylene glycol 0.12mol, ethylene glycol 0.18mol, butylene glycol 0.05mol, add 0.3mol NaOH, 0.1% catalyst dibutyltin cinnamic acid two fourth Ji Xi, the polymerization inhibitor MEHQ mixing of 5/10000ths, fill this blend in the 250ml there-necked flask of band water knockout drum, It is placed in conduction oil, electric stirring, 160 DEG C of nitrogen atmospheres react 60min；It is warmed up to 180 DEG C, melt polymerization in nitrogen atmosphere 120min, then it is warming up to 195 DEG C, in nitrogen atmosphere, melt polymerization is 60 to acid number, is cooled to 100 DEG C and pours out, obtains after cooling The transparent unsaturated-resin of buff；
Step 4, prepares antistatic coating:
First weigh unsaturated-resin 100ml, add 5g copper powder and copper carbon fiber, be sufficiently mixed, add 3% silicon Alkane coupling agent, by mixture mechanical agitation, obtains antistatic coating.
Preferably, the antistatic coating prepared being coated in target object surface, coating thickness is 1～3 μm, then will It irradiates under distance ultraviolet source 10cm and makes curing of coatings.
Show it is further preferred that antistatic coating involved by the application to be carried out antistatic test, when copper powder adds Amount mass ratio is 18%, and when copper powder and copper carbon fiber mass ratio are 3:4, the surface resistivity of described antistatic coating is 1.6×107Ω/cm2；After 60 days, aging resistance test shows, surface resistivity variable quantity is less than 5%.
Application scenarios four:
A kind of antistatic coating that embodiments herein relates to, described antistatic coating uses unsaturated-resin to be base Material, containing cis-butenedioic anhydride in described unsaturated-resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene two Alcohol, NaOH, dibutyl tin laurate, MEHQ.
In antistatic coating involved by the application, unsaturated-resin is base material, is that the aqueous of a kind of ultraviolet light polymerization is coated with Material, described unsaturated-resin side base contains the highly polar groups such as ether, hydroxyl, carboxyl, can produce conductive ion, become macromolecule Electrolyte, the surface resistivity of described unsaturated-resin is 5.2 × 109Ω/cm2。
Preferably, described antistatic coating uses copper powder and copper carbon fiber to be filler, described copper powder and described coppered carbon Fiber quality is than for 3:4, and described copper powder size is 300 mesh, and described copper carbon fiber copper film thickness is 110nm.
In the antistatic coating of the application, copper powder uniformly mixes with copper carbon fiber, is internally formed two dimension conduction at coating Network, reduces the surface resistivity of antistatic coating further.
Preferably, such as Fig. 1, the making step of described antistatic coating is as follows:
Step one, Treatment of Carbon:
Carbon fiber is cut into 2～5mm, is then immersed in 10h in acetone soln, then with deionized water to carbon fiber Clean 3～5 times；At room temperature, the carbon fiber after cleaning is immersed in concentrated nitric acid, takes out, then use deionized water after 1h Repeatedly clean, next put into oscillation cleaning 1h in supersonic cleaning machine, at 100 DEG C, be dried 2h；Dried carbon fiber is put into In magnetic control sputtering device, 10-4It is deposited with one layer of copper film at carbon fiber surface under Pa base vacuum, obtains copper carbon fiber；
Step 2, process copper powder:
50ml dehydrated alcohol concentrated hydrochloric acid solution is formulated in clean container, then weighs 25g copper powder and put in container, By solution stirring 1h, it is purified, then rinse 3 times with ether and dehydrated alcohol, until by-product HCl and CuCl2 Clean from Copper Powder Surface, then copper powder is placed in vacuum drying oven, take out standby after being dried 12h；
Step 3, prepares unsaturated-resin:
Take cis-butenedioic anhydride 0.44mol, phthalic anhydride 0.06mol, poly-400 0.145mol of disodiumedetate, propylene glycol 0.12mol, ethylene glycol 0.18mol, butylene glycol 0.05mol, add 0.3mol NaOH, 0.1% catalyst dibutyltin cinnamic acid two fourth Ji Xi, the polymerization inhibitor MEHQ mixing of 5/10000ths, fill this blend in the 250ml there-necked flask of band water knockout drum, It is placed in conduction oil, electric stirring, 160 DEG C of nitrogen atmospheres react 60min；It is warmed up to 180 DEG C, melt polymerization in nitrogen atmosphere 120min, then it is warming up to 195 DEG C, in nitrogen atmosphere, melt polymerization is 60 to acid number, is cooled to 100 DEG C and pours out, obtains after cooling The transparent unsaturated-resin of buff；
Step 4, prepares antistatic coating:
First weigh unsaturated-resin 100ml, add 5g copper powder and copper carbon fiber, be sufficiently mixed, add 3% silicon Alkane coupling agent, by mixture mechanical agitation, obtains antistatic coating.
Preferably, the antistatic coating prepared being coated in target object surface, coating thickness is 1～3 μm, then will It irradiates under distance ultraviolet source 10cm and makes curing of coatings.
Show it is further preferred that antistatic coating involved by the application to be carried out antistatic test, when copper powder adds Amount mass ratio is 22%, and when copper powder and copper carbon fiber mass ratio are 3:4, the surface resistivity of described antistatic coating is 2.3×107Ω/cm2；After 60 days, aging resistance test shows, surface resistivity variable quantity is less than 5%.
Application scenarios five:
A kind of antistatic coating that embodiments herein relates to, described antistatic coating uses unsaturated-resin to be base Material, containing cis-butenedioic anhydride in described unsaturated-resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene two Alcohol, NaOH, dibutyl tin laurate, MEHQ.
In antistatic coating involved by the application, unsaturated-resin is base material, is that the aqueous of a kind of ultraviolet light polymerization is coated with Material, described unsaturated-resin side base contains the highly polar groups such as ether, hydroxyl, carboxyl, can produce conductive ion, become macromolecule Electrolyte, the surface resistivity of described unsaturated-resin is 5.2 × 109Ω/cm2。
Preferably, described antistatic coating uses copper powder and copper carbon fiber to be filler, described copper powder and described coppered carbon Fiber quality is than for 3:4, and described copper powder size is 300 mesh, and described copper carbon fiber copper film thickness is 110nm.
In the antistatic coating of the application, copper powder uniformly mixes with copper carbon fiber, is internally formed two dimension conduction at coating Network, reduces the surface resistivity of antistatic coating further.
Preferably, such as Fig. 1, the making step of described antistatic coating is as follows:
Step one, Treatment of Carbon:
Carbon fiber is cut into 2～5mm, is then immersed in 10h in acetone soln, then with deionized water to carbon fiber Clean 3～5 times；At room temperature, the carbon fiber after cleaning is immersed in concentrated nitric acid, takes out, then use deionized water after 1h Repeatedly clean, next put into oscillation cleaning 1h in supersonic cleaning machine, at 100 DEG C, be dried 2h；Dried carbon fiber is put into In magnetic control sputtering device, 10-4It is deposited with one layer of copper film at carbon fiber surface under Pa base vacuum, obtains copper carbon fiber；
Step 2, process copper powder:
50ml dehydrated alcohol concentrated hydrochloric acid solution is formulated in clean container, then weighs 25g copper powder and put in container, By solution stirring 1h, it is purified, then rinse 3 times with ether and dehydrated alcohol, until by-product HCl and CuCl2 Clean from Copper Powder Surface, then copper powder is placed in vacuum drying oven, take out standby after being dried 12h；
Step 3, prepares unsaturated-resin:
Take cis-butenedioic anhydride 0.44mol, phthalic anhydride 0.06mol, poly-400 0.145mol of disodiumedetate, propylene glycol 0.12mol, ethylene glycol 0.18mol, butylene glycol 0.05mol, add 0.3mol NaOH, 0.1% catalyst dibutyltin cinnamic acid two fourth Ji Xi, the polymerization inhibitor MEHQ mixing of 5/10000ths, fill this blend in the 250ml there-necked flask of band water knockout drum, It is placed in conduction oil, electric stirring, 160 DEG C of nitrogen atmospheres react 60min；It is warmed up to 180 DEG C, melt polymerization in nitrogen atmosphere 120min, then it is warming up to 195 DEG C, in nitrogen atmosphere, melt polymerization is 60 to acid number, is cooled to 100 DEG C and pours out, obtains after cooling The transparent unsaturated-resin of buff；
Step 4, prepares antistatic coating:
First weigh unsaturated-resin 100ml, add 5g copper powder and copper carbon fiber, be sufficiently mixed, add 3% silicon Alkane coupling agent, by mixture mechanical agitation, obtains antistatic coating.
Preferably, the antistatic coating prepared being coated in target object surface, coating thickness is 1～3 μm, then will It irradiates under distance ultraviolet source 10cm and makes curing of coatings.
Show it is further preferred that antistatic coating involved by the application to be carried out antistatic test, when copper powder adds Amount mass ratio is 25%, and when copper powder and copper carbon fiber mass ratio are 3:4, the surface resistivity of described antistatic coating is 3.5×107Ω/cm2；After 60 days, aging resistance test shows, surface resistivity variable quantity is less than 5%.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to its of the present invention Its embodiment.The application is intended to any modification, purposes or the adaptations of the present invention, these modification, purposes or Person's adaptations is followed the general principle of the present invention and includes the undocumented common knowledge in the art of the application Or conventional techniques means.Description and embodiments is considered only as exemplary, and true scope and spirit of the invention are by following Claim is pointed out.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and And various modifications and changes can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.

Claims (2)

1. an antistatic coating, it is characterised in that described antistatic coating uses unsaturated-resin to be base material, described unsaturation Containing cis-butenedioic anhydride in resin, phthalic anhydride, disodiumedetate poly-400, propylene glycol, ethylene glycol, butylene glycol, NaOH, two Laurels Acid dibutyl tin, MEHQ.
Antistatic coating the most according to claim 1, it is characterised in that described antistatic coating uses copper powder and coppered carbon Fiber is filler, and described copper powder and described copper carbon fiber mass ratio are 3:4, and described copper powder size is 300 mesh, described coppered carbon Fiber copper film thickness is 110nm.
CN201610680686.2A 2016-08-16 2016-08-16 Antistatic coating Pending CN106047103A (en)

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