CN111331981B - Electrostatic adsorption flame-retardant film - Google Patents

Electrostatic adsorption flame-retardant film Download PDF

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Publication number
CN111331981B
CN111331981B CN202010247889.9A CN202010247889A CN111331981B CN 111331981 B CN111331981 B CN 111331981B CN 202010247889 A CN202010247889 A CN 202010247889A CN 111331981 B CN111331981 B CN 111331981B
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flame
layer
retardant
electrostatic adsorption
antioxidant
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CN111331981A (en
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王家福
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Ruinian Technology (Guangdong) Co.,Ltd.
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Rui Nian Plastics Technology Co ltd
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • C08J2327/06—Homopolymers or copolymers of vinyl chloride
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Abstract

The invention belongs to the technical field of decorative materials, and particularly relates to an electrostatic adsorption flame-retardant film which comprises a scratch-proof layer, a flame-retardant layer, a heat-insulating base layer and a reflecting layer which are sequentially stacked from top to bottom, wherein the scratch-proof layer is formed by coating and curing polyurethane resin added with nano powder, the flame-retardant layer is made of a flame-retardant material and epoxy resin, the heat-insulating base layer comprises polyethylene glycol terephthalate and polyvinyl chloride, and the reflecting layer is formed by coating polyamide acid and inorganic powder. The heat insulation base layer of the electrostatic adsorption flame-retardant film can enable the film to generate electrostatic action, is easy to attach, and can be repeatedly used by using a non-gum electrostatic technology. The scratch-proof layer on the surface is made of environment-friendly materials, is waterproof, heat-proof and oil-proof, is convenient to clean, can increase the strength of glass, and prevents people from being splashed by broken glass. The flame-retardant layer can prevent the film from burning quickly and improve the safety performance. The reflection stratum can insulate against heat and block sun, and effective separation realizes protecting privacy, reduces indoor temperature simultaneously.

Description

Electrostatic adsorption flame-retardant film
Technical Field
The invention belongs to the technical field of decorative materials, and particularly relates to an electrostatic adsorption flame-retardant film.
Background
The plastic film is one of common articles for daily life, and the plastic film has various types, and can be classified according to material, application way and shape. Because the plastic film can be provided with different patterns, the plastic film is popular with many consumers, and the plastic film is usually used as a decoration. Used for sticking films on glass or table mats for table use. However, plastic films commonly used in life at present often have some problems in the using process, such as small adhesive force, difficult adhesion with the surface of an article, easy generation of bubbles between the film and the plastic film, and no flame retardant effect at the other point, and the consequence is very serious if a fire disaster is sent. When a fire breaks out during use, the film without flame retardant property can help the fire spread, so that the fire is aggravated, and the rescue is difficult.
Disclosure of Invention
The invention aims to: the anti-flaming film with the electrostatic adsorption function is easy to laminate, strong in adsorption effect and capable of preventing the film from burning quickly and avoiding fire disasters due to the fact that the electrostatic adsorption technology is adopted.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an electrostatic adsorption flame-retardant film, includes scratch-proof layer, fire-retardant layer, thermal-insulated basic unit and the reflection stratum that top-down stacks gradually, scratch-proof layer is formed after the coating solidification by the polyurethane resin that adds the nano-powder, fire-retardant layer is made by fire-retardant material and epoxy, thermal-insulated basic unit includes polyethylene glycol terephthalate and polyvinyl chloride, the reflection stratum is formed by polyamide acid and inorganic powder coating film.
As an improvement of the electrostatic adsorption flame-retardant film, the nano powder comprises at least one of nano titanium dioxide, nano silicon dioxide and nano aluminum oxide. The nano powder has a self-cleaning function, and can solve the problems that the surface is easily polluted by oil stains, fingerprints and the like in the prior art.
As an improvement of the electrostatic adsorption flame-retardant film, the polyurethane resin is formed by condensing isocyanate and a compound containing hydroxyl or amino. The polyurethane resin has excellent properties such as good physical and mechanical properties, sharp and hard coating film, good flexibility, high brightness, excellent wear resistance, good adhesive force and strong corrosion resistance, and the polyurethane has certain flexibility, is easy to use on soft base materials such as films and the like and has better adhesive force.
As an improvement of the electrostatic adsorption flame-retardant film, the epoxy resin comprises at least one of bisphenol A epoxy chloropropane resin, bisphenol F epoxy chloropropane resin, alicyclic epoxy resin and glycidyl ether type epoxy resin.
As an improvement of the electrostatic adsorption flame-retardant film, the flame-retardant material further comprises at least one of anhydrous phosphite and borate. The anhydrous phosphite is at least one of anhydrous sodium phosphite, anhydrous potassium phosphite and anhydrous magnesium phosphite, and the borate is at least one of aluminum borate, zinc borate, sodium borate and ammonium borate. The addition of anhydrous phosphite and borate can further improve the heat-resisting temperature of the fireproof coating and enhance the flame-retardant effect.
As an improvement of the electrostatic adsorption flame-retardant film, the heat insulation base layer further comprises at least one of a solvent, an antioxidant, homogeneous oil and liquid silica gel. The material can increase the specific surface area, reduce the crystal precipitation in the preparation process and improve the transparency of the film. The antioxidant comprises a hindered phenol antioxidant and a phosphite antioxidant, wherein the hindered phenol antioxidant is at least one of 2, 6-dibutyl-tetra-cresol, an antioxidant 1010 and an antioxidant 1076, and the phosphite antioxidant is at least one of an antioxidant TNP and an antioxidant TPP.
As an improvement of the electrostatic adsorption flame-retardant film, the inorganic powder comprises at least one of silicon dioxide, zinc oxide, aluminum oxide, iron oxide and titanium oxide. The inorganic powder and the polyamic acid are hybridized to form the reflecting layer, so that the ultraviolet-proof effect of the electrostatic adsorption flame-retardant film can be improved.
As an improvement of the electrostatic adsorption flame-retardant film, the thickness of the electrostatic adsorption flame-retardant film is 0.04-3 mm.
As an improvement of the electrostatic adsorption flame-retardant film, the preparation method of the electrostatic adsorption flame-retardant film comprises the following steps:
(1) heating, melting and mixing polyethylene terephthalate and polyvinyl chloride, and then performing injection molding and demolding to obtain a heat insulation base layer;
(2) uniformly stirring and mixing epoxy resin, ammonium polyphosphate and melamine cyanurate at a high temperature, adding a curing agent, pouring into a mold, and extruding and stretching after curing to obtain a flame-retardant layer;
(3) uniformly dispersing the nano powder in absolute ethyl alcohol through a planetary ball mill, and then compounding with polyurethane resin to obtain a scratch-proof layer;
(4) adding inorganic powder into a polyamic acid solution, and aging and coating to obtain a reflecting layer;
(5) and sequentially laminating the scratch-proof layer, the flame-retardant layer, the heat-insulating base layer and the reflecting layer from top to bottom, and laminating the layers in a laminating machine to obtain the electrostatic adsorption flame-retardant film.
As an improvement of the electrostatic adsorption flame-retardant film, in the step (4), after aging the coating film, a heating treatment is further included.
The beneficial effects of the invention include but are not limited to: the invention provides an electrostatic adsorption flame-retardant film which comprises a scratch-proof layer, a flame-retardant layer, a heat-insulating base layer and a reflecting layer which are sequentially stacked from top to bottom, wherein the scratch-proof layer is formed by coating and curing polyurethane resin added with nano powder, the flame-retardant layer is made of a flame-retardant material and epoxy resin, the heat-insulating base layer comprises polyethylene glycol terephthalate and polyvinyl chloride, and the reflecting layer is formed by coating polyamide acid and inorganic powder. The heat insulation base layer of the electrostatic adsorption flame-retardant film uses the polyethylene glycol terephthalate and the polyvinyl chloride, so that the film can generate electrostatic action, is easy to attach, is economical, practical, environment-friendly in material, strong in adsorption capacity, free of volatile smell, capable of being repeatedly used and capable of preventing pollution and protecting body health, and a back-adhesive-free electrostatic technology is used. The scratch-proof layer on the surface is made of environment-friendly materials, is waterproof, heat-proof and oil-proof, is convenient to clean, can increase the strength of glass, and prevents people from being splashed by broken glass. The flame-retardant layer can prevent the film from burning quickly and improve the safety performance. The reflection stratum can insulate against heat and block sun, and effective separation realizes protecting the privacy, reduces indoor temperature simultaneously, saves air conditioner expense and still soft light, is applicable to push-and-pull window, cabinet door glass, balcony glass, kitchen glass window, window glass and bathroom glass etc..
Drawings
FIG. 1 is a schematic structural view of an electrostatic adsorption flame retardant film of example 1.
In the figure: 1-scratch-proof layer, 2-flame-retardant layer, 3-heat-insulating base layer and 4-reflecting layer.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings, but the present invention is not limited thereto.
As shown in fig. 1, the electrostatic adsorption flame-retardant film comprises a scratch-proof layer 1, a flame-retardant layer 2, a heat-insulating base layer 3 and a reflecting layer 4 which are sequentially stacked from top to bottom, wherein the scratch-proof layer 1 is formed by coating and curing polyurethane resin added with nano-powder, the flame-retardant layer 2 is made by stretching flame-retardant material and epoxy resin, the heat-insulating base layer 3 comprises polyethylene terephthalate and polyvinyl chloride, and the reflecting layer 4 is formed by coating polyamide acid and inorganic powder.
Further, the nano powder comprises at least one of nano titanium dioxide, nano silicon dioxide and nano aluminum oxide. The nano powder has a self-cleaning function, and can solve the problems that the surface is easily polluted by oil stains, fingerprints and the like in the prior art.
Further, the polyurethane resin is formed by condensing isocyanate and a compound containing a hydroxyl group or an amino group. The polyurethane resin has excellent properties such as good physical and mechanical properties, sharp and hard coating film, good flexibility, high brightness, excellent wear resistance, good adhesive force and strong corrosion resistance, and the polyurethane has certain flexibility, is easy to use on soft base materials such as films and the like and has better adhesive force.
Further, the flame retardant material includes ammonium polyphosphate and melamine cyanurate, and the epoxy resin includes at least one of bisphenol a type epoxy chloropropane resin, bisphenol F type epoxy chloropropane resin, alicyclic epoxy resin, and glycidyl ether type epoxy resin.
Further, the flame retardant material further comprises at least one of anhydrous phosphite and borate. The anhydrous phosphite is at least one of anhydrous sodium phosphite, anhydrous potassium phosphite and anhydrous magnesium phosphite, and the borate is at least one of aluminum borate, zinc borate, sodium borate and ammonium borate. The addition of anhydrous phosphite and borate can further improve the heat-resisting temperature of the fireproof coating and enhance the flame-retardant effect.
Further, the heat insulation base layer 3 further comprises at least one of a solvent, an antioxidant, homogeneous oil and liquid silica gel. The material can increase the specific surface area, reduce the crystal precipitation in the preparation process and improve the transparency of the film. The antioxidant comprises a hindered phenol antioxidant and a phosphite antioxidant, wherein the hindered phenol antioxidant is at least one of 2, 6-dibutyl-tetra-cresol, an antioxidant 1010 and an antioxidant 1076, and the phosphite antioxidant is at least one of an antioxidant TNP and an antioxidant TPP.
Further, the inorganic powder includes at least one of silicon dioxide, zinc oxide, aluminum oxide, iron oxide, and titanium oxide. The inorganic powder and the polyamic acid are hybridized to form the reflecting layer 4, so that the ultraviolet-proof effect of the electrostatic adsorption flame-retardant film can be improved.
Further, the thickness of the electrostatic adsorption flame-retardant film is 0.04-3 mm.
Example 1
Preparation of an electrostatic adsorption flame-retardant film:
(1) adding polyethylene terephthalate and polyvinyl chloride into a high-speed smelting machine, heating to melt the polyethylene terephthalate and polyvinyl chloride, adding homogeneous oil, an antioxidant, liquid silica gel and a solvent after uniformly mixing, adding the mixture into a high-speed dispersion machine after uniformly mixing to prepare a heat-insulating base layer rubber material, injecting the heat-insulating base layer rubber material into an injection mold, maintaining the pressure at 5-10 MPa for 5-10 min, and then cooling to room temperature for demolding to prepare the heat-insulating base layer.
(2) The polymerization degree of the ammonium polyphosphate is more than 1000, the bisphenol A type epoxy chloropropane resin, the ammonium polyphosphate and the melamine cyanurate are stirred and mixed uniformly at the high temperature of 90 ℃, a curing agent is added, the mixture is poured into a mould, the mixture is cured for 8 hours at the temperature of 50 ℃, and then the mixture is extruded and stretched to prepare the flame-retardant layer.
(3) Uniformly dispersing 2% of nano titanium dioxide, 1.5% of nano aluminum oxide and 1.5% of nano silicon dioxide into absolute ethyl alcohol through a planetary ball mill, and compounding with 95% of polyurethane resin to obtain the scratch-proof layer.
(4) Drying PMDA and ODA at 110 ℃ to remove moisture, dissolving and reacting in DMF at the reaction temperature of 20-65 ℃ and stirring speed of 500r/min to prepare a polyamic acid solution; preparing a zinc oxide inorganic powder solution, measuring the prepared inorganic powder solution, adding the inorganic powder solution into a polyamide acid solution, stirring for reaction to obtain polyamide acid-inorganic powder composite sol, aging the composite sol for a certain time, coating a film, and heating for imidization to obtain a polyamide acid hybrid film and obtain a reflecting layer.
(5) And sequentially laminating the scratch-proof layer, the flame-retardant layer, the heat-insulating base layer and the reflecting layer from top to bottom, and laminating the layers in a laminating machine to obtain the electrostatic adsorption flame-retardant film. Wherein the thickness of the film is 2 mm.
The application method of the electrostatic adsorption flame-retardant film in the embodiment comprises the following steps: clean smooth glass surface, to glass surface evenly spray deionized water, then directly paste electrostatic adsorption fire-retardant film on glass, electrostatic adsorption fire-retardant film can rely on the electrostatic adsorption of self to adhere to glass's surface, then strike off water and bubble to electrostatic adsorption fire-retardant film all around with chi or card. In addition, the electrostatic adsorption flame-retardant film in the embodiment can be easily taken down and adsorbed to glass at other places for repeated use.
Example 2
Preparation of an electrostatic adsorption flame-retardant film:
(1) adding polyethylene terephthalate and polyvinyl chloride into a high-speed smelting machine, heating to melt the polyethylene terephthalate and polyvinyl chloride, adding homogeneous oil, an antioxidant, liquid silica gel and a solvent after uniformly mixing, adding the mixture into a high-speed dispersion machine after uniformly mixing to prepare a heat-insulating base layer rubber material, injecting the heat-insulating base layer rubber material into an injection mold, maintaining the pressure at 5-10 MPa for 5-10 min, and then cooling to room temperature for demolding to prepare the heat-insulating base layer.
(2) The polymerization degree of the ammonium polyphosphate is more than 1000, bisphenol F type epoxy chloropropane resin, the ammonium polyphosphate, melamine cyanurate, anhydrous sodium metasilicate and aluminum borate are stirred and mixed uniformly at a high temperature of 90 ℃, a curing agent is added, the mixture is poured into a mold, the mixture is cured for 8 hours at a temperature of 50 ℃, and then the mixture is extruded and stretched to prepare the flame-retardant layer.
(3) Uniformly dispersing 2% of nano titanium dioxide, 1.5% of nano aluminum oxide and 1.5% of nano silicon dioxide into absolute ethyl alcohol through a planetary ball mill, and compounding with 95% of polyurethane resin to obtain the scratch-proof layer.
(4) Drying PMDA and ODA at 110 ℃ to remove moisture, dissolving and reacting in DMF at the reaction temperature of 20-65 ℃ and stirring speed of 500r/min to prepare a polyamic acid solution; weighing the prepared zinc oxide and dichloro-trioxide inorganic powder solution, adding the zinc oxide and dichloro-trioxide inorganic powder solution into a polyamic acid solution, stirring and reacting to obtain polyamic acid-inorganic powder composite sol, aging the composite sol for a certain time, coating a film, and heating to imidize the composite sol to obtain a polyamic acid hybrid film and obtain a reflecting layer.
(5) And sequentially laminating the scratch-proof layer, the flame-retardant layer, the heat-insulating base layer and the reflecting layer from top to bottom, and laminating the layers in a laminating machine to obtain the electrostatic adsorption flame-retardant film. Wherein the thickness of the film is 0.04 mm.
Example 3
Preparation of an electrostatic adsorption flame-retardant film:
(1) adding polyethylene terephthalate and polyvinyl chloride into a high-speed smelting machine, heating to melt the polyethylene terephthalate and polyvinyl chloride, adding homogeneous oil, an antioxidant, liquid silica gel and a solvent after uniformly mixing, adding the mixture into a high-speed dispersion machine after uniformly mixing to prepare a heat-insulating base layer rubber material, injecting the heat-insulating base layer rubber material into an injection mold, maintaining the pressure at 5-10 MPa for 5-10 min, and then cooling to room temperature for demolding to prepare the heat-insulating base layer.
(2) The polymerization degree of the ammonium polyphosphate is more than 1000, the alicyclic epoxy resin, the ammonium polyphosphate, the melamine cyanurate, the anhydrous potassium metasilicate and the zinc borate are stirred and mixed uniformly at a high temperature of 90 ℃, the curing agent is added, the mixture is poured into a mold, the mixture is cured for 8 hours at a temperature of 50 ℃, and then the mixture is extruded and stretched to prepare the flame-retardant layer.
(3) Uniformly dispersing 2% of nano titanium dioxide, 1.5% of nano aluminum oxide and 1.5% of nano silicon dioxide into absolute ethyl alcohol through a planetary ball mill, and compounding with 95% of polyurethane resin to obtain the scratch-proof layer.
(4) Drying PMDA and ODA at 110 ℃ to remove moisture, dissolving and reacting in DMF at the reaction temperature of 20-65 ℃ and stirring speed of 500r/min to prepare a polyamic acid solution; weighing the prepared zinc oxide and dichloro-trioxide inorganic powder solution, adding the zinc oxide and dichloro-trioxide inorganic powder solution into a polyamic acid solution, stirring and reacting to obtain polyamic acid-inorganic powder composite sol, aging the composite sol for a certain time, coating a film, and heating to imidize the composite sol to obtain a polyamic acid hybrid film and obtain a reflecting layer.
(5) And sequentially laminating the scratch-proof layer, the flame-retardant layer, the heat-insulating base layer and the reflecting layer from top to bottom, and laminating the layers in a laminating machine to obtain the electrostatic adsorption flame-retardant film. Wherein the thickness of the film is 3 mm.
Comparative example 1
The difference from example 1 is that the flame retardant layer is not included, and the rest is the same as example 1, and the description is omitted.
Comparative example 2
The difference from embodiment 2 is that no scratch-proof layer is included, and the rest is the same as embodiment 2, and the description is omitted here.
Comparative example 3
The difference from embodiment 3 is that no reflective layer is included, and the rest is the same as embodiment 3, and the description is omitted here.
Performance testing
(1) And (3) testing the flame retardant property: the electrostatic adsorption flame-retardant films prepared in example 1 and comparative example 1 were subjected to a flame retardancy test, an LOI test on an HC-2 type oxygen index tester, and a vertical combustion test on an M607 type horizontal vertical combustion tester.
The test result shows that the LOI value of the electrostatic adsorption flame-retardant film prepared in the example 1 exceeds 30%, the electrostatic adsorption flame-retardant film has high flame retardancy, and no molten drop is generated in the combustion process. The electrostatic adsorption flame-retardant film prepared in comparative example 1 has an LOI value of 18%, belongs to a flammable material, and has serious burning and dripping in the combustion process. The carbon foam layer formed by the melamine cyanurate serving as a flame retardant during combustion can play a role in protecting the film, and has heat insulation and oxygen isolation. Ammonium polyphosphate can be decomposed to generate polyphosphoric acid or polymetaphosphoric acid when being heated, so that a coke layer is formed on the surface of the electrostatic adsorption flame-retardant film, and the shielding effects of heat insulation and oxygen isolation are achieved.
(2) And (3) testing the scratch performance: the electrostatic adsorption flame retardant films prepared in the above example 2 and comparative example 2 were subjected to scratch performance test. The test result shows that the surface of the electrostatic adsorption flame-retardant film prepared in the comparative example 2 is clean and smooth, and the surface of the electrostatic adsorption flame-retardant film prepared in the comparative example 2 has scars, which indicates that the scratch-proof layer can effectively protect the film and prevent the surface from generating oil stains, scratches, fingerprints and the like.
(3) And (3) testing light transmittance: the electrostatic adsorption flame retardant films prepared in the above example 3 and comparative example 3 were subjected to a light transmittance test. The test result shows that the ultraviolet blocking rate of the electrostatic adsorption flame-retardant film of the example 3 is 99%, and the ultraviolet blocking rate of the electrostatic adsorption flame-retardant film of the comparative example 3 is 96%, which indicates that the reflective layer can effectively absorb ultraviolet light, thereby meeting the requirements of heat insulation and sun protection.
In conclusion, the heat insulation base layer of the electrostatic adsorption flame-retardant film is economical, practical, environment-friendly, capable of being repeatedly used by using a non-gum electrostatic technology, strong in adsorption capacity, free of volatile smell, free of pollution and capable of protecting body health. The scratch-proof layer on the surface is made of environment-friendly materials, is waterproof, heat-proof and oil-proof, is convenient to clean, can increase the strength of glass, and prevents people from being splashed by broken glass. The flame-retardant layer can prevent the film from burning quickly and improve the safety performance. The reflection stratum can insulate against heat and block sun, and effective separation realizes protecting the privacy, reduces indoor temperature simultaneously, saves air conditioner expense and still soft light, is applicable to push-and-pull window, cabinet door glass, balcony glass, kitchen glass window, window glass and bathroom glass etc..
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (8)

1. The electrostatic adsorption flame-retardant film is characterized by comprising a scratch-proof layer, a flame-retardant layer, a heat-insulating base layer and a reflecting layer which are sequentially stacked from top to bottom, wherein the scratch-proof layer is formed by coating and curing polyurethane resin added with nano powder, the flame-retardant layer is made of a flame-retardant material, epoxy resin and a curing agent, the heat-insulating base layer comprises polyethylene terephthalate and polyvinyl chloride, and the reflecting layer is formed by coating polyamide acid and inorganic powder;
the heat insulation base layer further comprises a solvent, an antioxidant, homogeneous oil and liquid silica gel, wherein the antioxidant comprises a hindered phenol antioxidant and a phosphite antioxidant, the hindered phenol antioxidant is at least one of 2, 6-dibutyl-tetra-cresol, an antioxidant 1010 and an antioxidant 1076, and the phosphite antioxidant is at least one of an antioxidant TNP and an antioxidant TPP;
the preparation method of the electrostatic adsorption flame-retardant film comprises the following steps:
(1) heating, melting and mixing polyethylene terephthalate and polyvinyl chloride, adding the solvent, the antioxidant, the homogeneous oil and the liquid silica gel, and performing injection molding and demolding to obtain a heat insulation base layer;
(2) uniformly stirring and mixing epoxy resin, ammonium polyphosphate and melamine cyanurate at a high temperature, adding a curing agent, pouring into a mold, and extruding and stretching after curing to obtain a flame-retardant layer;
(3) uniformly dispersing the nano powder in absolute ethyl alcohol through a planetary ball mill, and then compounding with polyurethane resin to obtain a scratch-proof layer;
(4) adding inorganic powder into a polyamic acid solution, and aging and coating to obtain a reflecting layer;
(5) and sequentially laminating the scratch-proof layer, the flame-retardant layer, the heat-insulating base layer and the reflecting layer from top to bottom, and laminating the layers in a laminating machine to obtain the electrostatic adsorption flame-retardant film.
2. The electrostatic adsorption flame-retardant film according to claim 1, wherein the nano powder comprises at least one of nano titanium dioxide, nano silicon dioxide and nano aluminum oxide.
3. The electrostatic adsorption flame retardant film according to claim 1, wherein the polyurethane resin is obtained by condensing isocyanate and a compound containing a hydroxyl group or an amino group.
4. The electrostatic adsorption flame retardant film according to claim 1, wherein the epoxy resin comprises at least one of bisphenol a type epoxy chloropropane resin, bisphenol F type epoxy chloropropane resin, alicyclic epoxy resin and glycidyl ether type epoxy resin.
5. The electrostatic adsorption flame retardant film according to claim 4, wherein the flame retardant material further comprises at least one of anhydrous phosphite and borate, the anhydrous phosphite is at least one of anhydrous sodium phosphite, anhydrous potassium phosphite, and anhydrous magnesium phosphite, and the borate is at least one of aluminum borate, zinc borate, sodium borate, and ammonium borate.
6. The electrostatic adsorption flame retardant film according to claim 1, wherein the inorganic powder comprises at least one of silicon dioxide, zinc oxide, aluminum oxide, iron oxide, and titanium oxide.
7. The electrostatic adsorption flame retardant film according to claim 1, wherein the thickness of the electrostatic adsorption flame retardant film is 0.04-3 mm.
8. The electrostatic adsorption flame retardant film according to claim 1, further comprising a heat treatment after aging the plated film in the step (4).
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