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CN111427185A - Radiation-proof liquid crystal display panel - Google Patents

Radiation-proof liquid crystal display panel Download PDF

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Publication number
CN111427185A
CN111427185A CN202010453296.8A CN202010453296A CN111427185A CN 111427185 A CN111427185 A CN 111427185A CN 202010453296 A CN202010453296 A CN 202010453296A CN 111427185 A CN111427185 A CN 111427185A
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radiation
liquid crystal
crystal display
display panel
solid
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张景松
梁汉钦
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Quanzhou Xinchuangyuan Intelligent Technology Co ltd
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Quanzhou Xinchuangyuan Intelligent Technology Co ltd
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • 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
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    • 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
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/04—Polyurethanes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
    • G02B1/16—Optical coatings produced by application to, or surface treatment of, optical elements having an anti-static effect, e.g. electrically conducting coatings
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • 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
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/04—Antistatic

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Abstract

The invention relates to the field of displays, in particular to a radiation-proof liquid crystal display panel, which comprises a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel; the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer. The invention solves the problem that the existing computer protective films in the market have various functional computer protective films, but most of the computer protective films are high-molecular polymer films such as PE, PVDC and the like prepared by petrochemical material synthesis, but the computer protective films do not have the radiation protection function. The liquid crystal display panel with the protective film can have a good radiation-proof effect when in use.

Description

Radiation-proof liquid crystal display panel
Technical Field
The invention relates to the field of displays, in particular to a radiation-proof liquid crystal display panel.
Background
In recent years, liquid crystal display devices are more and more widely used, and display devices such as liquid crystal displays, liquid crystal televisions, PC integrated machines and the like are applied to any product and any field, and the aim of pursuing volume reduction, processing cost saving and energy saving is both pursued by modern products at present.
However, with the popularization of liquid crystal displays, health problems caused by electromagnetic radiation are more and more emphasized, and excessive radiation causes dizziness, headache, fatigue, insomnia, nightmare, memory deterioration, low mood and even decreased immunity of human bodies, so that in order to prevent radiation problems of liquid crystal displays, a relatively large number of methods are currently used to achieve the effect of eliminating radiation by pasting a film on a display screen. Although various functional computer protective films exist in the market at present, most of the computer protective films are polymer films such as PE and PVDC prepared by synthesizing petrochemical materials, but the computer protective films do not have the radiation protection function.
Disclosure of Invention
In order to solve the problems, the invention provides a radiation-proof liquid crystal display panel, which comprises a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel;
the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer.
Preferably, the material of the base layer is polyester resin.
Preferably, the radiation-proof layer comprises the following components in parts by weight:
70-80 parts of polycarbonate, 5-10 parts of nano titanium dioxide, 3-8 parts of modified carbon nanotube fiber and 1-5 parts of organic strontium modified auxiliary agent.
Preferably, the preparation method of the organic strontium modification auxiliary agent comprises the following steps:
s1, weighing strontium carbonate, adding the strontium carbonate into xylene, and ultrasonically dispersing until the strontium carbonate is uniform to obtain a strontium carbonate mixed solution; weighing disodium ethylene diamine tetraacetate and isophthaloyl dichloride, adding the disodium ethylene diamine tetraacetate and the isophthaloyl dichloride into xylene, and stirring and dispersing the mixture uniformly to obtain an organic mixed solution;
wherein the solid-to-liquid ratio of strontium carbonate to xylene in the strontium carbonate mixed solution is 1: 10-20; the mass ratio of the ethylene diamine tetraacetic acid to the isophthaloyl dichloride to the xylene in the organic mixed solution is 1-5: 1-10: 50-80;
s2, adding the organic mixed solution into the strontium carbonate mixed solution, stirring uniformly, pouring into a reaction kettle, sealing, heating to 120-140 ℃, reacting for 10-18 h, cooling to room temperature, filtering to obtain a solid, washing with chloroform for three times, and vacuum drying to obtain an organic strontium modified auxiliary agent;
wherein the volume ratio of the organic mixed liquid to the strontium carbonate mixed liquid is 1-3: 1.
Preferably, the preparation method of the modified carbon nanotube fiber comprises the following steps:
s1, weighing tantalum oxalate, adding the tantalum oxalate into deionized water, heating to 70-80 ℃, stirring uniformly to obtain a tantalum oxalate solution, adding sodium dodecyl benzene sulfonate into the tantalum oxalate solution, stirring uniformly, dropwise adding 0.1 mol/L hydrochloric acid solution while stirring until a solid is completely dissolved, stirring for 0.2-0.5 h, and performing rotary evaporation to dryness to obtain a solid A;
wherein the solid-to-liquid ratio of the tantalum oxalate to the deionized water is 1: 10-15; the solid-to-liquid ratio of the sodium dodecyl benzene sulfonate to the tantalum oxalate solution is 1: 20-30;
s2, placing the solid A into a graphite crucible, placing the graphite crucible into a heating furnace, heating to 600-800 ℃ under the protection of rare gas, continuously protecting for 3-5 hours, cooling to room temperature, washing to be neutral by using deionized water, and drying in vacuum to obtain the modified carbon nanotube fiber.
Preferably, the antistatic layer consists of the following components in parts by weight:
50-100 parts of polyurethane resin and 0.1-10 parts of antistatic agent.
Preferably, the antistatic agent is modified polyaniline, and the modified polyaniline is obtained by modifying polyaniline with barium perrhenate.
Preferably, the preparation method of the antistatic agent is as follows:
s1, weighing barium nitrate, adding the barium nitrate into a nitric acid solution of 0.1 mol/L, stirring until the barium nitrate is completely dissolved to obtain a barium nitrate solution, dropwise adding a sodium hydroxide solution with the concentration of 1-3 mol/L into the barium nitrate solution until the pH value is 11-12, adding rhenium heptoxide, heating in a water bath to 50-60 ℃, stirring for 1-2 h, pouring into a reaction kettle, sealing, reacting for 8-12 h at 100-150 ℃, cooling to room temperature, recrystallizing, drying in vacuum, and crushing to obtain nano particles to obtain barium perrhenate;
wherein the solid-to-liquid ratio of the barium nitrate to the nitric acid solution is 1: 10-15; the solid-to-liquid ratio of the rhenium heptoxide to the barium nitrate solution is 1: 12-20;
s2, weighing aniline, adding the aniline into a hydrochloric acid solution with the concentration of 0.5 mol/L, and stirring uniformly to obtain a hydrochloric acid solution of aniline, placing the hydrochloric acid solution of aniline in an ice-water bath, starting stirring, adding barium perrhenate, stirring uniformly, adding ammonium persulfate, stirring for reaction for 5-10 hours, filtering to obtain a solid, washing with deionized water to be neutral, washing with acetone for three times, and drying in vacuum to obtain modified polyaniline;
wherein the mass ratio of the aniline to the hydrochloric acid solution is 1: 10-20; the solid-to-liquid ratio of the barium perrhenate, the ammonium persulfate and the hydrochloric acid solution of the aniline is 1: 0.05-0.1: 10-20.
Preferably, the thickness of the antistatic layer is 1-200 μm; the thickness of the base layer is 10-1000 mu m; the thickness of the radiation-proof layer is 1-200 mu m.
The invention has the beneficial effects that:
1. the protective film is integrally designed on the liquid crystal display panel, and comprises the antistatic layer, the base layer and the radiation-proof layer, and the liquid crystal display panel with the protective film can have a better radiation-proof effect when in use.
2. According to the invention, the organic strontium modified auxiliary agent is used as the modified auxiliary agent of the polycarbonate, so that the water resistance of the polycarbonate is improved, and the radiation-proof layer can be better attached to the base layer. Although polycarbonate is excellent in heat resistance and impact resistance, it is poor in hydrolysis resistance and is easily corroded by moisture in an environment with high humidity for a long time. According to the invention, strontium carbonate disodium ethylene diamine tetraacetate is used as a chelating agent, and strontium carbonate with good water resistance and isophthaloyl dichloride are chelated, so that the polycarbonate has excellent water resistance. The organic strontium modification auxiliary agent is formed by chelating and combining strontium carbonate, isophthaloyl dichloride and disodium ethylene diamine tetraacetate to form an inorganic-organic chelate, and by the method, the isophthaloyl dichloride and the disodium ethylene diamine tetraacetate can be chemically grafted into a pore channel of the metal-organic coordination polymer.
3. According to the invention, the modified carbon nanotube fiber is added in the radiation-proof layer to enhance the scratch resistance of the polycarbonate. Although polycarbonate has stronger impact resistance and processability, the scratch resistance of polycarbonate is poorer, therefore, the invention obtains a microporous carbon material with a three-dimensional structure by specifically thermochemically treating a metal carbon compound, and tantalum has stronger scratch resistance, the carbon material with the three-dimensional structure can be combined with tantalum metal to form an in-situ carbonized network structure, compared with the singly doped carbon material or tantalum metal, the combination generates a synergistic enhancement effect, and the scratch resistance performance and the stability of the high-altitude polycarbonate can be further improved.
4. The antistatic agent is prepared by preparing barium perrhenate to participate in the synthesis of polyaniline, so that the polyaniline is modified to obtain the modified polyaniline. Polyaniline has special electrical and optical properties and is suitable for serving as an antistatic agent, however, polyaniline can be gradually degraded along with the use time, a diphenylamine structure is easily generated during degradation, and the compound has a carcinogenic effect, so that the use of the compound is limited by the properties. According to the invention, barium perrhenate is produced by reacting barium nitrate with rhenium heptoxide under the action of sodium hydroxide, and then the barium perrhenate participates in the polymerization reaction of aniline to generate modified polyaniline, wherein the barium perrhenate has stronger stability, and a three-dimensional network structure is formed after nanoparticles are prepared and coated by the polyaniline. The modified polyaniline prepared by the method has higher conductivity, lower alternating current impedance and larger electroactive surface area, and in addition, the addition of the barium perrhenate improves the degradation difficulty of the polyaniline, prolongs the service life of the polyaniline and further limits the degradation of the polyaniline.
Detailed Description
The invention is further described with reference to the following examples.
Example 1
A radiation-proof liquid crystal display panel comprises a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel;
the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer.
The thickness of the antistatic layer is 1-200 mu m; the thickness of the base layer is 10-1000 mu m; the thickness of the radiation-proof layer is 1-200 mu m.
The base layer is made of polyester resin.
The radiation-proof layer comprises the following components in parts by weight:
75 parts of polycarbonate, 8 parts of nano titanium dioxide, 5 parts of modified carbon nanotube fiber and 3 parts of organic strontium modified auxiliary agent.
The preparation method of the organic strontium modified auxiliary agent comprises the following steps:
s1, weighing strontium carbonate, adding the strontium carbonate into xylene, and ultrasonically dispersing until the strontium carbonate is uniform to obtain a strontium carbonate mixed solution; weighing disodium ethylene diamine tetraacetate and isophthaloyl dichloride, adding the disodium ethylene diamine tetraacetate and the isophthaloyl dichloride into xylene, and stirring and dispersing the mixture uniformly to obtain an organic mixed solution;
wherein the solid-to-liquid ratio of strontium carbonate to xylene in the strontium carbonate mixed solution is 1: 10-20; the mass ratio of the ethylene diamine tetraacetic acid to the isophthaloyl dichloride to the xylene in the organic mixed solution is 1-5: 1-10: 50-80;
s2, adding the organic mixed solution into the strontium carbonate mixed solution, stirring uniformly, pouring into a reaction kettle, sealing, heating to 120-140 ℃, reacting for 10-18 h, cooling to room temperature, filtering to obtain a solid, washing with chloroform for three times, and vacuum drying to obtain an organic strontium modified auxiliary agent;
wherein the volume ratio of the organic mixed liquid to the strontium carbonate mixed liquid is 1-3: 1.
The preparation method of the modified carbon nanotube fiber comprises the following steps:
s1, weighing tantalum oxalate, adding the tantalum oxalate into deionized water, heating to 70-80 ℃, stirring uniformly to obtain a tantalum oxalate solution, adding sodium dodecyl benzene sulfonate into the tantalum oxalate solution, stirring uniformly, dropwise adding 0.1 mol/L hydrochloric acid solution while stirring until a solid is completely dissolved, stirring for 0.2-0.5 h, and performing rotary evaporation to dryness to obtain a solid A;
wherein the solid-to-liquid ratio of the tantalum oxalate to the deionized water is 1: 10-15; the solid-to-liquid ratio of the sodium dodecyl benzene sulfonate to the tantalum oxalate solution is 1: 20-30;
s2, placing the solid A into a graphite crucible, placing the graphite crucible into a heating furnace, heating to 600-800 ℃ under the protection of rare gas, continuously protecting for 3-5 hours, cooling to room temperature, washing to be neutral by using deionized water, and drying in vacuum to obtain the modified carbon nanotube fiber.
The antistatic layer comprises the following components in parts by weight:
50-100 parts of polyurethane resin and 0.1-10 parts of antistatic agent.
The antistatic agent is modified polyaniline, and the modified polyaniline is obtained by modifying polyaniline with barium perrhenate.
The preparation method of the antistatic agent comprises the following steps:
s1, weighing barium nitrate, adding the barium nitrate into a nitric acid solution of 0.1 mol/L, stirring until the barium nitrate is completely dissolved to obtain a barium nitrate solution, dropwise adding a sodium hydroxide solution with the concentration of 1-3 mol/L into the barium nitrate solution until the pH value is 11-12, adding rhenium heptoxide, heating in a water bath to 50-60 ℃, stirring for 1-2 h, pouring into a reaction kettle, sealing, reacting for 8-12 h at 100-150 ℃, cooling to room temperature, recrystallizing, drying in vacuum, and crushing to obtain nano particles to obtain barium perrhenate;
wherein the solid-to-liquid ratio of the barium nitrate to the nitric acid solution is 1: 10-15; the solid-to-liquid ratio of the rhenium heptoxide to the barium nitrate solution is 1: 12-20;
s2, weighing aniline, adding the aniline into a hydrochloric acid solution with the concentration of 0.5 mol/L, and stirring uniformly to obtain a hydrochloric acid solution of aniline, placing the hydrochloric acid solution of aniline in an ice-water bath, starting stirring, adding barium perrhenate, stirring uniformly, adding ammonium persulfate, stirring for reaction for 5-10 hours, filtering to obtain a solid, washing with deionized water to be neutral, washing with acetone for three times, and drying in vacuum to obtain modified polyaniline;
wherein the mass ratio of the aniline to the hydrochloric acid solution is 1: 10-20; the solid-to-liquid ratio of the barium perrhenate, the ammonium persulfate and the hydrochloric acid solution of the aniline is 1: 0.05-0.1: 10-20.
Example 2
A radiation-proof liquid crystal display panel comprises a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel;
the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer.
The thickness of the antistatic layer is 1-200 mu m; the thickness of the base layer is 10-1000 mu m; the thickness of the radiation-proof layer is 1-200 mu m.
The base layer is made of polyester resin.
The radiation-proof layer comprises the following components in parts by weight:
70 parts of polycarbonate, 5 parts of nano titanium dioxide, 3 parts of modified carbon nanotube fiber and 1 part of organic strontium modified auxiliary agent.
The preparation method of the organic strontium modified auxiliary agent comprises the following steps:
s1, weighing strontium carbonate, adding the strontium carbonate into xylene, and ultrasonically dispersing until the strontium carbonate is uniform to obtain a strontium carbonate mixed solution; weighing disodium ethylene diamine tetraacetate and isophthaloyl dichloride, adding the disodium ethylene diamine tetraacetate and the isophthaloyl dichloride into xylene, and stirring and dispersing the mixture uniformly to obtain an organic mixed solution;
wherein the solid-to-liquid ratio of strontium carbonate to xylene in the strontium carbonate mixed solution is 1: 10-20; the mass ratio of the ethylene diamine tetraacetic acid to the isophthaloyl dichloride to the xylene in the organic mixed solution is 1-5: 1-10: 50-80;
s2, adding the organic mixed solution into the strontium carbonate mixed solution, stirring uniformly, pouring into a reaction kettle, sealing, heating to 120-140 ℃, reacting for 10-18 h, cooling to room temperature, filtering to obtain a solid, washing with chloroform for three times, and vacuum drying to obtain an organic strontium modified auxiliary agent;
wherein the volume ratio of the organic mixed liquid to the strontium carbonate mixed liquid is 1-3: 1.
The preparation method of the modified carbon nanotube fiber comprises the following steps:
s1, weighing tantalum oxalate, adding the tantalum oxalate into deionized water, heating to 70-80 ℃, stirring uniformly to obtain a tantalum oxalate solution, adding sodium dodecyl benzene sulfonate into the tantalum oxalate solution, stirring uniformly, dropwise adding 0.1 mol/L hydrochloric acid solution while stirring until a solid is completely dissolved, stirring for 0.2-0.5 h, and performing rotary evaporation to dryness to obtain a solid A;
wherein the solid-to-liquid ratio of the tantalum oxalate to the deionized water is 1: 10-15; the solid-to-liquid ratio of the sodium dodecyl benzene sulfonate to the tantalum oxalate solution is 1: 20-30;
s2, placing the solid A into a graphite crucible, placing the graphite crucible into a heating furnace, heating to 600-800 ℃ under the protection of rare gas, continuously protecting for 3-5 hours, cooling to room temperature, washing to be neutral by using deionized water, and drying in vacuum to obtain the modified carbon nanotube fiber.
The antistatic layer comprises the following components in parts by weight:
50-100 parts of polyurethane resin and 0.1-10 parts of antistatic agent.
The antistatic agent is modified polyaniline, and the modified polyaniline is obtained by modifying polyaniline with barium perrhenate.
The preparation method of the antistatic agent comprises the following steps:
s1, weighing barium nitrate, adding the barium nitrate into a nitric acid solution of 0.1 mol/L, stirring until the barium nitrate is completely dissolved to obtain a barium nitrate solution, dropwise adding a sodium hydroxide solution with the concentration of 1-3 mol/L into the barium nitrate solution until the pH value is 11-12, adding rhenium heptoxide, heating in a water bath to 50-60 ℃, stirring for 1-2 h, pouring into a reaction kettle, sealing, reacting for 8-12 h at 100-150 ℃, cooling to room temperature, recrystallizing, drying in vacuum, and crushing to obtain nano particles to obtain barium perrhenate;
wherein the solid-to-liquid ratio of the barium nitrate to the nitric acid solution is 1: 10-15; the solid-to-liquid ratio of the rhenium heptoxide to the barium nitrate solution is 1: 12-20;
s2, weighing aniline, adding the aniline into a hydrochloric acid solution with the concentration of 0.5 mol/L, and stirring uniformly to obtain a hydrochloric acid solution of aniline, placing the hydrochloric acid solution of aniline in an ice-water bath, starting stirring, adding barium perrhenate, stirring uniformly, adding ammonium persulfate, stirring for reaction for 5-10 hours, filtering to obtain a solid, washing with deionized water to be neutral, washing with acetone for three times, and drying in vacuum to obtain modified polyaniline;
wherein the mass ratio of the aniline to the hydrochloric acid solution is 1: 10-20; the solid-to-liquid ratio of the barium perrhenate, the ammonium persulfate and the hydrochloric acid solution of the aniline is 1: 0.05-0.1: 10-20.
Example 3
A radiation-proof liquid crystal display panel comprises a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel;
the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer.
The thickness of the antistatic layer is 1-200 mu m; the thickness of the base layer is 10-1000 mu m; the thickness of the radiation-proof layer is 1-200 mu m.
The base layer is made of polyester resin.
The radiation-proof layer comprises the following components in parts by weight:
80 parts of polycarbonate, 10 parts of nano titanium dioxide, 8 parts of modified carbon nanotube fiber and 5 parts of organic strontium modified auxiliary agent.
The preparation method of the organic strontium modified auxiliary agent comprises the following steps:
s1, weighing strontium carbonate, adding the strontium carbonate into xylene, and ultrasonically dispersing until the strontium carbonate is uniform to obtain a strontium carbonate mixed solution; weighing disodium ethylene diamine tetraacetate and isophthaloyl dichloride, adding the disodium ethylene diamine tetraacetate and the isophthaloyl dichloride into xylene, and stirring and dispersing the mixture uniformly to obtain an organic mixed solution;
wherein the solid-to-liquid ratio of strontium carbonate to xylene in the strontium carbonate mixed solution is 1: 10-20; the mass ratio of the ethylene diamine tetraacetic acid to the isophthaloyl dichloride to the xylene in the organic mixed solution is 1-5: 1-10: 50-80;
s2, adding the organic mixed solution into the strontium carbonate mixed solution, stirring uniformly, pouring into a reaction kettle, sealing, heating to 120-140 ℃, reacting for 10-18 h, cooling to room temperature, filtering to obtain a solid, washing with chloroform for three times, and vacuum drying to obtain an organic strontium modified auxiliary agent;
wherein the volume ratio of the organic mixed liquid to the strontium carbonate mixed liquid is 1-3: 1.
The preparation method of the modified carbon nanotube fiber comprises the following steps:
s1, weighing tantalum oxalate, adding the tantalum oxalate into deionized water, heating to 70-80 ℃, stirring uniformly to obtain a tantalum oxalate solution, adding sodium dodecyl benzene sulfonate into the tantalum oxalate solution, stirring uniformly, dropwise adding 0.1 mol/L hydrochloric acid solution while stirring until a solid is completely dissolved, stirring for 0.2-0.5 h, and performing rotary evaporation to dryness to obtain a solid A;
wherein the solid-to-liquid ratio of the tantalum oxalate to the deionized water is 1: 10-15; the solid-to-liquid ratio of the sodium dodecyl benzene sulfonate to the tantalum oxalate solution is 1: 20-30;
s2, placing the solid A into a graphite crucible, placing the graphite crucible into a heating furnace, heating to 600-800 ℃ under the protection of rare gas, continuously protecting for 3-5 hours, cooling to room temperature, washing to be neutral by using deionized water, and drying in vacuum to obtain the modified carbon nanotube fiber.
The antistatic layer comprises the following components in parts by weight:
50-100 parts of polyurethane resin and 0.1-10 parts of antistatic agent.
The antistatic agent is modified polyaniline, and the modified polyaniline is obtained by modifying polyaniline with barium perrhenate.
The preparation method of the antistatic agent comprises the following steps:
s1, weighing barium nitrate, adding the barium nitrate into a nitric acid solution of 0.1 mol/L, stirring until the barium nitrate is completely dissolved to obtain a barium nitrate solution, dropwise adding a sodium hydroxide solution with the concentration of 1-3 mol/L into the barium nitrate solution until the pH value is 11-12, adding rhenium heptoxide, heating in a water bath to 50-60 ℃, stirring for 1-2 h, pouring into a reaction kettle, sealing, reacting for 8-12 h at 100-150 ℃, cooling to room temperature, recrystallizing, drying in vacuum, and crushing to obtain nano particles to obtain barium perrhenate;
wherein the solid-to-liquid ratio of the barium nitrate to the nitric acid solution is 1: 10-15; the solid-to-liquid ratio of the rhenium heptoxide to the barium nitrate solution is 1: 12-20;
s2, weighing aniline, adding the aniline into a hydrochloric acid solution with the concentration of 0.5 mol/L, and stirring uniformly to obtain a hydrochloric acid solution of aniline, placing the hydrochloric acid solution of aniline in an ice-water bath, starting stirring, adding barium perrhenate, stirring uniformly, adding ammonium persulfate, stirring for reaction for 5-10 hours, filtering to obtain a solid, washing with deionized water to be neutral, washing with acetone for three times, and drying in vacuum to obtain modified polyaniline;
wherein the mass ratio of the aniline to the hydrochloric acid solution is 1: 10-20; the solid-to-liquid ratio of the barium perrhenate, the ammonium persulfate and the hydrochloric acid solution of the aniline is 1: 0.05-0.1: 10-20.
Comparative example
A radiation-proof liquid crystal display panel comprises a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel;
the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer.
The thickness of the antistatic layer is 1-200 mu m; the thickness of the base layer is 10-1000 mu m; the thickness of the radiation-proof layer is 1-200 mu m.
The base layer is made of polyester resin.
The radiation-proof layer comprises the following components in parts by weight:
75 parts of polycarbonate, 8 parts of nano titanium dioxide and 5 parts of carbon nanotube fiber.
The antistatic layer comprises the following components in parts by weight:
50-100 parts of polyurethane resin and 0.1-10 parts of antistatic agent.
Wherein the antistatic agent is ethoxylated fatty alkylamine.
In order to more clearly illustrate the present invention, the protective films prepared in examples 1 to 3 of the present invention and comparative example were tested for their performance, and the results are shown in table 1.
Wherein the radiation-resistant detection is set to a radiation intensity of 3.98 × 103And V, detecting the absorptivity of the protective film to radiation.
TABLE 1 Performance test results
Example 1 Example 2 Example 3 Comparative example
Tensile strength(MPa) 268 257 262 182
Elongation at Break (%) 114 109 111 73
Absorptivity to radiation (%) 98.2 97.5 97.9 72.1
As can be seen from Table 1, the protective film prepared by the present invention has high tensile strength and elongation at break, and the radiation intensity is 3.98 × 103And when the radiation-proof material is V, the absorptivity of the radiation-proof material can reach 98.2%, which shows that the radiation-proof material also has excellent radiation-proof property.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. The anti-radiation liquid crystal display panel is characterized by comprising a liquid crystal display panel and a panel frame, wherein the liquid crystal display panel is embedded in the panel frame, and a protective film is arranged on the liquid crystal display panel;
the protective film comprises an antistatic layer, a base layer and an anti-radiation layer; the radiation protection layer is located above the base layer, and the antistatic layer is located above the radiation protection layer.
2. The liquid crystal display panel of claim 1, wherein the antistatic layer has a thickness of 1-200 μm; the thickness of the base layer is 10-1000 mu m; the thickness of the radiation-proof layer is 1-200 mu m.
3. The radiation-proof LCD panel of claim 1, wherein the base layer is made of polyester resin.
4. The liquid crystal display panel of claim 1, wherein the radiation protective layer comprises the following components in parts by weight:
70-80 parts of polycarbonate, 5-10 parts of nano titanium dioxide, 3-8 parts of modified carbon nanotube fiber and 1-5 parts of organic strontium modified auxiliary agent.
5. The radiation-proof liquid crystal display panel according to claim 4, wherein the preparation method of the organic strontium modification auxiliary agent comprises the following steps:
s1, weighing strontium carbonate, adding the strontium carbonate into xylene, and ultrasonically dispersing until the strontium carbonate is uniform to obtain a strontium carbonate mixed solution; weighing disodium ethylene diamine tetraacetate and isophthaloyl dichloride, adding the disodium ethylene diamine tetraacetate and the isophthaloyl dichloride into xylene, and stirring and dispersing the mixture uniformly to obtain an organic mixed solution;
wherein the solid-to-liquid ratio of strontium carbonate to xylene in the strontium carbonate mixed solution is 1: 10-20; the mass ratio of the ethylene diamine tetraacetic acid to the isophthaloyl dichloride to the xylene in the organic mixed solution is 1-5: 1-10: 50-80;
s2, adding the organic mixed solution into the strontium carbonate mixed solution, stirring uniformly, pouring into a reaction kettle, sealing, heating to 120-140 ℃, reacting for 10-18 h, cooling to room temperature, filtering to obtain a solid, washing with chloroform for three times, and vacuum drying to obtain an organic strontium modified auxiliary agent;
wherein the volume ratio of the organic mixed liquid to the strontium carbonate mixed liquid is 1-3: 1.
6. The radiation-proof liquid crystal display panel according to claim 4, wherein the modified carbon nanotube fiber is prepared by the following steps:
s1, weighing tantalum oxalate, adding the tantalum oxalate into deionized water, heating to 70-80 ℃, stirring uniformly to obtain a tantalum oxalate solution, adding sodium dodecyl benzene sulfonate into the tantalum oxalate solution, stirring uniformly, dropwise adding 0.1 mol/L hydrochloric acid solution while stirring until a solid is completely dissolved, stirring for 0.2-0.5 h, and performing rotary evaporation to dryness to obtain a solid A;
wherein the solid-to-liquid ratio of the tantalum oxalate to the deionized water is 1: 10-15; the solid-to-liquid ratio of the sodium dodecyl benzene sulfonate to the tantalum oxalate solution is 1: 20-30;
s2, placing the solid A into a graphite crucible, placing the graphite crucible into a heating furnace, heating to 600-800 ℃ under the protection of rare gas, continuously protecting for 3-5 hours, cooling to room temperature, washing to be neutral by using deionized water, and drying in vacuum to obtain the modified carbon nanotube fiber.
7. The radiation-resistant liquid crystal display panel according to claim 1, wherein the antistatic layer comprises the following components in parts by weight:
50-100 parts of polyurethane resin and 0.1-10 parts of antistatic agent.
8. The radiation-proof liquid crystal display panel according to claim 7, wherein the antistatic agent is modified polyaniline, and the modified polyaniline is obtained by modifying polyaniline with barium perrhenate.
9. The radiation-proof liquid crystal display panel according to claim 7 or 8, wherein the antistatic agent is prepared by the following steps:
s1, weighing barium nitrate, adding the barium nitrate into a nitric acid solution of 0.1 mol/L, stirring until the barium nitrate is completely dissolved to obtain a barium nitrate solution, dropwise adding a sodium hydroxide solution with the concentration of 1-3 mol/L into the barium nitrate solution until the pH value is 11-12, adding rhenium heptoxide, heating in a water bath to 50-60 ℃, stirring for 1-2 h, pouring into a reaction kettle, sealing, reacting for 8-12 h at 100-150 ℃, cooling to room temperature, recrystallizing, drying in vacuum, and crushing to obtain nano particles to obtain barium perrhenate;
wherein the solid-to-liquid ratio of the barium nitrate to the nitric acid solution is 1: 10-15; the solid-to-liquid ratio of the rhenium heptoxide to the barium nitrate solution is 1: 12-20;
s2, weighing aniline, adding the aniline into a hydrochloric acid solution with the concentration of 0.5 mol/L, and stirring uniformly to obtain a hydrochloric acid solution of aniline, placing the hydrochloric acid solution of aniline in an ice-water bath, starting stirring, adding barium perrhenate, stirring uniformly, adding ammonium persulfate, stirring for reaction for 5-10 hours, filtering to obtain a solid, washing with deionized water to be neutral, washing with acetone for three times, and drying in vacuum to obtain modified polyaniline;
wherein the mass ratio of the aniline to the hydrochloric acid solution is 1: 10-20; the solid-to-liquid ratio of the barium perrhenate, the ammonium persulfate and the hydrochloric acid solution of the aniline is 1: 0.05-0.1: 10-20.
CN202010453296.8A 2020-05-26 2020-05-26 Radiation-proof liquid crystal display panel Withdrawn CN111427185A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114427211A (en) * 2022-04-01 2022-05-03 无棣永利盐业有限公司 Slope protection of seawater culture pond and construction method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114427211A (en) * 2022-04-01 2022-05-03 无棣永利盐业有限公司 Slope protection of seawater culture pond and construction method
CN114427211B (en) * 2022-04-01 2022-07-08 无棣永利盐业有限公司 Slope protection of seawater culture pond and construction method

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Application publication date: 20200717