CN104087188B - A kind of anti-electromagnetic-radiation protective membrane and preparation method thereof - Google Patents
A kind of anti-electromagnetic-radiation protective membrane and preparation method thereof Download PDFInfo
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- CN104087188B CN104087188B CN201410224352.5A CN201410224352A CN104087188B CN 104087188 B CN104087188 B CN 104087188B CN 201410224352 A CN201410224352 A CN 201410224352A CN 104087188 B CN104087188 B CN 104087188B
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/10—Homopolymers or copolymers of methacrylic acid esters
- C09J133/12—Homopolymers or copolymers of methyl methacrylate
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
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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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
Abstract
The present invention relates to optical protection layer technical field, particularly relate to a kind of anti-electromagnetic-radiation protective membrane and preparation method thereof, preparation method comprises the following steps: step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function; Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness 3-10 μm of photo-cured coating, the diameter of nick roller is 30-50mm, and the line number of nick roller is 40-400; Step 3: paint solidification film formation step four: prepare anti-electromagnetic-radiation protective membrane.The electromagnetic radiation resistant of anti-electromagnetic-radiation protective membrane of the present invention is effective, and technique is simple, ripe, is conducive to applying.During use, torn by PET cuticula and anti-electromagnetic-radiation protective membrane can be attached on mobile phone or display screen, with the equipment of other domestic and international anti-electromagnetic radiation, such as exposure suit, the electromagnetic wave proof helmet etc. are compared, easy to use, are easy to promote.
Description
Technical field
The present invention relates to optical protection layer technical field, particularly relate to a kind of anti-electromagnetic-radiation protective membrane and preparation method thereof.
Background technology
At present, mobile communication is one of mark becoming modern society, and it not only makes people can keep whenever and wherever possible and extraneous communication contact, but also can pass through mobile phone accessing Internet, for daily life and work bring great convenience.But meanwhile, the electromagnetic radiation of mobile communication also becomes one of pollution of harm health of people.In order to prevent the head-on radiation of mobile equipment, a lot of protective membrane manufacturer starts to research and develop the protective membrane with electromagnetic radiation resistant.
Chinese Patent Application No. be 201310167462.8 patent of invention disclose a kind of Low-radiation paint composition, comprise the semiconductor nanoparticle of 1-15%, the water-soluble conductive macromolecular material of 1-10% and the silicone resin of 10-60%.Though this Low-radiation paint composition can intercept ultraviolet to a certain extent, its Main Function is heat insulating, and the large usage quantity of silicone resin in said composition, electromagnetic radiation resistant effect is undesirable.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of anti-electromagnetic-radiation protective membrane and preparation method thereof, obtained optical protection layer anti-electromagnetic wave is effective, and preparation technology is simple, ripe, is conducive to applying.
The present invention is achieved through the following technical solutions.
A preparation method for anti-electromagnetic-radiation protective membrane, comprises following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 40-80 times of quality, purifying and surface active are carried out to carbon nanotube, reaction times is 2-5h, then filters and uses deionized water wash, obtains the carbon nanotube after processing; After carbon nanotube process, the impurity such as decolorizing carbon, Fe is removed, and carbon nano pipe purity reaches more than 95%.The organic functional such as surface hydroxyl, carboxyl mass contg reaches about 10mmol/g, and degree of surface activation is high, is easy to compound.Preferably, the quality of concentrated nitric acid is 50 times of the quality of many wall/Single Walled Carbon Nanotube.The massfraction of concentrated nitric acid is 70%, and density is about 1.4g/cm3, and boiling point is 83 DEG C.
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, the mass ratio of carbon nanotube and aniline is 1:50-1:100, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1-1:1.2 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry under vacuum; Preferably, the mass ratio of carbon nanotube and aniline is 1:60.
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 3-8%; Carbon naotube-polyaniline composite material plays anti-electromagnetic-radiation effect as adding material, and acrylated polyurethane resin, after UV solidification, plays sclerization.
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness 3-10 μm of photo-cured coating, the diameter of nick roller is 30-50mm, and the line number of nick roller is 40-400; Preferably, the coating thickness 5-8 μm of photo-cured coating, the diameter of nick roller is 40mm, and the line number of nick roller is 80-300.
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 8-13m/min, UV lamp is 200-800mj/cm
2; Preferably, the transfer rate of deflector roll is the light intensity of 10m/min, UV lamp is 500mj/cm
2.
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is liquid add-on type reaction silica gel, liquid acrylic glue or the polyurethane glue of 10-30 μm; toast through baking oven; storing temperature is 130-200 DEG C, then sticks PET cuticula, obtained anti-electromagnetic-radiation protective membrane.Preferably, the thickness of glue is 20 μm, and storing temperature is 150-180 DEG C.
Liquid add-on type reaction silica gel is polydimethylsiloxane, thermotolerance, winter hardiness, viscosity vary with temperature little, water-repellancy, surface tension are little, have thermal conductivity, thermal conductivity is 0.134-0.159W/M*K.
Liquid acrylic glue is called for short PMMA glue, and be also called acryl or synthetic glass, the number-average molecular weight of its cast panel polymkeric substance is generally 2.2 × 104, relative density is 1.19-1.20, specific refractory power is 1.482-1.521, and hydroscopicity is below 0.5%, and second-order transition temperature is 105 DEG C.There is high-clarity, low price.
Polyurethane glue is the glue containing urethano and isocyanate group in molecular chain, due to the isocyanic ester containing strong polarity and carbamate groups, there is very high reactivity, can self-vulcanizing, thus there is excellent glueability to multiple materials such as metal, rubber, glass, pottery, plastics, timber, fabric, leathers.The backbone flexibility of urethane is fine, and its maximum feature is withstand shock vibrations and flexural fatigue, and stripping strength is very high, and particularly resistance to low temperature is extremely excellent.
Wherein, in described step one, in the reflux process of A, Duo Bi/Single Walled Carbon Nanotube and concentrated nitric acid, Heating temperature is 150-180 DEG C; B, acidic conditions, be specially and regulate pH to be 1-2 with HCl; The stirring velocity of C, high-speed mixing equipment is that 800-1300 turns/min, and the jitter time of ultrasonic wave dispersing apparatus is 3-5h.
Wherein, in described step one, the mass ratio of B, carbon nanotube and aniline is 1:60-1:80, dry 20-40min under vacuum condition, and drying temperature is 100 DEG C, and vacuum tightness is-75kPa to-100kPa.
Wherein, in described step one, C, described acrylated polyurethane resin are 6-9 functionality acrylated polyurethane resin.
Particularly, described polyfunctionality acrylated polyurethane resin is nine functionality acrylated polyurethane resins, its preparation method is: biuret and pentaerythritol triacrylate are mixed than for the ratio of 1:2-1:5 with molar mass, maintain temperature of reaction at 35-45 DEG C, then 70-100 DEG C is warming up to, insulation 2-5h, reaction is 0-0.5% to the massfraction of-NCO, is cooled to the obtained nine functionality acroleic acid polyurethanes of room temperature.
Nine functionality urethane acrylates have curing speed and good physical strength faster, there are 9 " C=C " double bonds, reactive behavior is high (under 1kW high voltage mercury lamp condition, 4s does solid work), effectively can improve the cross-linking density of film, improve surface hardness significantly, its pencil hardness reaches more than 3H simultaneously, can significantly improve the wear resistance of coating, and UV solidification effect is good.
Wherein, in described step one, C, described photo-cured coating also include the grating nano-silver powder that weight percent is 1-5%, and grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
Owing to adding the different nano-Ag particles of size, the nano-Ag particles that during mixing, particle diameter is little can embed between the nano-Ag particles that the large nano-Ag particles of particle diameter is inner and adjacent two particle diameters are large, the mass ratio of the silver powder of particle diameter 200 nanometer and the silver powder of described particle diameter 30 nanometer is 7:1, guarantee that the surrounding of the nano-silver powder of Large stone and inner homogeneous are coated with the nano-silver powder of small particle size, thus it is tightr to make nano-silver conductive particle connect, grating nano-silver powder forms a conductive mesh, improve electric conductivity, electromagnetic radiation resistant is effective.
Wherein, in described step one, C, carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 3-8%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 1-5%, and the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 87-96%.Grating nano-silver powder and carbon naotube-polyaniline composite material are together distributed to acrylated polyurethane resin, and strengthen the anti-electromagnetic-radiation effect of carbon naotube-polyaniline composite material further, the electromagnetic radiation resistant of obtained protective membrane is good.
Wherein, the thickness of described PET base material is 25-200 μm, and the transmittance of PET base material is not less than 95%, and the thickness of described PET cuticula is the transmittance of 25-75 μm, PET cuticula is 92-95%.Preferably, the thickness of PET base material is 75-150 μm, and the transmittance of PET base material is 95-96%, and the thickness of described PET cuticula is the transmittance of 25-50 μm, PET cuticula is 92-93%.
In step one, the solid content of obtained photo-cured coating is 40-50%, and viscosity is 50-100cps.
The anti-electromagnetic-radiation protective membrane that the preparation method of anti-electromagnetic-radiation protective membrane obtains, the transmittance of anti-electromagnetic-radiation protective membrane is 90-93%.
Beneficial effect of the present invention is:
(1) electromagnetic radiation resistant of anti-electromagnetic-radiation protective membrane of the present invention is effective, and technique is simple, ripe, is conducive to applying.During use, torn by PET cuticula and anti-electromagnetic-radiation protective membrane can be attached on mobile phone or display screen, with the equipment of other domestic and international anti-electromagnetic radiation, such as exposure suit, the electromagnetic wave proof helmet etc. are compared, easy to use, are easy to promote.
(2) carbon naotube-polyaniline composite material, boundary component proportion is large, and unsaturated link(age) dangling bonds are many, have very high absorption of electromagnetic wave performance.Relative to single-material, carbon naotube-polyaniline composite material has advantages such as inhaling ripple bandwidth, density is low, thickness is thin, compatibility is good.
(3) photo-cured coating adopting carbon naotube-polyaniline composite material to obtain significantly improves the compatibility of system, and make blooming while having electromagnetic wave absorption, the hardness of photo-cured coating layer and wear resisting property also can keep normal level.
(4) carbon naotube-polyaniline composite material and grating nano-silver powder are together distributed to acrylated polyurethane resin; give full play to electroconductibility and the electromagnetic radiation resistant performance of grating nano-silver powder; the anti-electromagnetic-radiation effect of further enhancing carbon naotube-polyaniline composite material, the electromagnetic radiation resistant excellent performance of obtained protective membrane.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
embodiment 1.
A preparation method for anti-electromagnetic-radiation protective membrane, comprises following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 40 times of quality, Heating temperature is 150 DEG C, carries out purifying and surface active to carbon nanotube, and the reaction times is 5h, then filter and use deionized water wash, obtaining the carbon nanotube after processing;
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, acidic conditions is for regulating pH to be 1 with HCl, and the mass ratio of carbon nanotube and aniline is 1:50, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry 20min under vacuum, drying temperature is 100 DEG C, and vacuum tightness is-100kPa;
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, stirring velocity is 800 turns/min, jitter time is 5h, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 3%; Described acrylated polyurethane resin is 6 functionality acrylated polyurethane resins;
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness of photo-cured coating 3 μm, the diameter of nick roller is 30mm, and the line number of nick roller is 40; The thickness of described PET base material is 25 μm, the transmittance 95% of PET base material;
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 8m/min, UV lamp is 800mj/cm
2;
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is the liquid add-on type reaction silica gel of 10 μm, and through baking oven baking, storing temperature is 130 DEG C; then PET cuticula is sticked; the thickness of described PET cuticula is 25 μm, and the transmittance of PET cuticula is 92%, obtained anti-electromagnetic-radiation protective membrane.
The solid content of the photo-cured coating of the present embodiment is 40%, and viscosity is 50cps, and obtained anti-electromagnetic-radiation protective membrane transmittance is 90%.
embodiment 2.
The difference of the present embodiment and embodiment 1 is: in the present embodiment, step one, C, described photo-cured coating also include the grating nano-silver powder that weight percent is 1%, and grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
Carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 3%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 1%, and the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 96%.
The rest part of the present embodiment is identical with embodiment 1, repeats no more here.
embodiment 3.
A preparation method for anti-electromagnetic-radiation protective membrane, comprises following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 50 times of quality, Heating temperature is 160 DEG C, carries out purifying and surface active to carbon nanotube, and the reaction times is 4.5h, then filter and use deionized water wash, obtaining the carbon nanotube after processing;
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, acidic conditions is for regulating pH to be 1 with HCl, and the mass ratio of carbon nanotube and aniline is 1:60, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry 20min under vacuum, drying temperature is 100 DEG C, and vacuum tightness is-90kPa;
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, stirring velocity is 900 turns/min, jitter time is 4.5h, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 4%; Described acrylated polyurethane resin is 7 functionality acrylated polyurethane resins;
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness of photo-cured coating 5 μm, the diameter of nick roller is 35mm, and the line number of nick roller is 80; The thickness of described PET base material is 75 μm, the transmittance 95% of PET base material;
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 9m/min, UV lamp is 600mj/cm
2;
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is the liquid add-on type reaction silica gel of 15 μm, and through baking oven baking, storing temperature is 150 DEG C; then PET cuticula is sticked; the thickness of described PET cuticula is 30 μm, and the transmittance of PET cuticula is 92%, obtained anti-electromagnetic-radiation protective membrane.
The solid content of the photo-cured coating of the present embodiment is 42%, and viscosity is 60cps, and obtained anti-electromagnetic-radiation protective membrane transmittance is 90%.
embodiment 4.
The difference of the present embodiment and embodiment 3 is: in the present embodiment, step one, C, described photo-cured coating also include the grating nano-silver powder that weight percent is 2%, and grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
Carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 4%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 2%, and the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 94%.
The rest part of the present embodiment is identical with embodiment 3, repeats no more here.
embodiment 5.
A preparation method for anti-electromagnetic-radiation protective membrane, comprises following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 60 times of quality, Heating temperature is 170 DEG C, carries out purifying and surface active to carbon nanotube, and the reaction times is 4h, then filter and use deionized water wash, obtaining the carbon nanotube after processing;
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, acidic conditions is for regulating pH to be 1.5 with HCl, and the mass ratio of carbon nanotube and aniline is 1:70, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry 30min under vacuum, drying temperature is 100 DEG C, and vacuum tightness is-85kPa;
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, stirring velocity is 1000 turns/min, jitter time is 4h, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 5%; Described acrylated polyurethane resin is 8 functionality acrylated polyurethane resins;
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness of photo-cured coating 6 μm, the diameter of nick roller is 40mm, and the line number of nick roller is 150; The thickness of described PET base material is 100 μm, the transmittance 96% of PET base material;
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 10m/min, UV lamp is 500mj/cm
2;
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is the liquid acrylic glue of 20 μm, and through baking oven baking, storing temperature is 160 DEG C; then PET cuticula is sticked; the thickness of described PET cuticula is 50 μm, and the transmittance of PET cuticula is 93%, obtained anti-electromagnetic-radiation protective membrane.
The solid content of the photo-cured coating of the present embodiment is 45%, and viscosity is 70cps, and obtained anti-electromagnetic-radiation protective membrane transmittance is 91%.
embodiment 6.
The difference of the present embodiment and embodiment 5 is: in the present embodiment, step one, C, described photo-cured coating also include the grating nano-silver powder that weight percent is 3%, and grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
Carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 5%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 3%, and the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 92%.
The rest part of the present embodiment is identical with embodiment 5, repeats no more here.
embodiment 7.
A preparation method for anti-electromagnetic-radiation protective membrane, comprises following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 70 times of quality, Heating temperature is 180 DEG C, carries out purifying and surface active to carbon nanotube, and the reaction times is 3h, then filter and use deionized water wash, obtaining the carbon nanotube after processing;
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, acidic conditions is for regulating pH to be 2 with HCl, and the mass ratio of carbon nanotube and aniline is 1:80, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1.1 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry 30min under vacuum, drying temperature is 100 DEG C, and vacuum tightness is-80kPa;
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, stirring velocity is 1100 turns/min, jitter time is 3.5h, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 6%; Described acrylated polyurethane resin is 9 functionality acrylated polyurethane resins;
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness of photo-cured coating 8 μm, the diameter of nick roller is 45mm, and the line number of nick roller is 200; The thickness of described PET base material is 150 μm, the transmittance 96% of PET base material;
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 12m/min, UV lamp is 350mj/cm
2;
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is the liquid acrylic glue of 25 μm, and through baking oven baking, storing temperature is 180 DEG C; then PET cuticula is sticked; the thickness of described PET cuticula is 60 μm, and the transmittance of PET cuticula is 94%, obtained anti-electromagnetic-radiation protective membrane.
The solid content of the photo-cured coating of the present embodiment is 48%, and viscosity is 80cps, and obtained anti-electromagnetic-radiation protective membrane transmittance is 92%.
embodiment 8.
The difference of the present embodiment and embodiment 7 is: in the present embodiment, step one, C, described photo-cured coating also include the grating nano-silver powder that weight percent is 4%, and grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
Carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 6%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 4%, and the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 90%.
The rest part of the present embodiment is identical with embodiment 7, repeats no more here.
embodiment 9.
A preparation method for anti-electromagnetic-radiation protective membrane, comprises following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 80 times of quality, Heating temperature is 150 DEG C, carries out purifying and surface active to carbon nanotube, and the reaction times is 2h, then filter and use deionized water wash, obtaining the carbon nanotube after processing;
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, acidic conditions is for regulating pH to be 2 with HCl, and the mass ratio of carbon nanotube and aniline is 1:100, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1.2 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry 40min under vacuum, drying temperature is 100 DEG C, and vacuum tightness is-75kPa;
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, stirring velocity is 1300 turns/min, jitter time is 3h, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 8%; Described acrylated polyurethane resin is 9 functionality acrylated polyurethane resins;
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness of photo-cured coating 10 μm, the diameter of nick roller is 50mm, and the line number of nick roller is 400; The thickness of described PET base material is 200 μm, the transmittance 95% of PET base material;
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 13m/min, UV lamp is 200mj/cm
2;
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is the polyurethane glue of 30 μm, and through baking oven baking, storing temperature is 200 DEG C; then PET cuticula is sticked; the thickness of described PET cuticula is 75 μm, and the transmittance of PET cuticula is 95%, obtained anti-electromagnetic-radiation protective membrane.
The solid content of the photo-cured coating of the present embodiment is 50%, and viscosity is 100cps, and obtained anti-electromagnetic-radiation protective membrane transmittance is 93%.
embodiment 10.
The difference of the present embodiment and embodiment 9 is: in the present embodiment, step one, C, described photo-cured coating also include the grating nano-silver powder that weight percent is 5%, and grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
Carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 8%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 5%, and the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 87%.
The rest part of the present embodiment is identical with embodiment 9, repeats no more here.
The physical property of the anti-electromagnetic-radiation protective membrane that embodiment 1-10 obtains is as shown in the table.
The above embodiment, just better embodiment of the present invention, be not limit the scope of the present invention, therefore all equivalences done according to structure, feature and the principle described in the present patent application the scope of the claims change or modify, and all should comprise in patent claim of the present invention.
Claims (9)
1. a preparation method for anti-electromagnetic-radiation protective membrane, is characterized in that: comprise following procedure of processing:
Step one: the preparation with the photo-cured coating of electromagnetic radiation resisting function
A, many wall/Single Walled Carbon Nanotube are adopted to utilize the reflux process under boiling state of the concentrated nitric acid of 40-80 times of quality, purifying and surface active are carried out to carbon nanotube, reaction times is 2-5h, then filters and uses deionized water wash, obtains the carbon nanotube after processing;
B, carbon nanotube and the aniline after process is mixed to form performed polymer in acid condition, the mass ratio of carbon nanotube and aniline is 1:50-1:100, then dropping (NH
4)
2s
2o
8carry out oxypolymerization, (NH
4)
2s
2o
8be 1:1-1:1.2 with the mol ratio of aniline, obtain carbon naotube-polyaniline composite material, filter, washing, dry under vacuum;
C, carbon naotube-polyaniline composite material is distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 3-8%, and described acrylated polyurethane resin is 6-9 functionality acrylated polyurethane resin;
Step 2: photo-cured coating nick roller is coated in PET base material, the coating thickness 3-10 μm of photo-cured coating;
Step 3: paint solidification film forming
PET base material after step 2 being processed sends to UV lamp box through deflector roll, and the transfer rate of deflector roll is the light intensity of 8-13m/min, UV lamp is 200-800mj/cm
2;
Step 4: prepare anti-electromagnetic-radiation protective membrane
The backside coating thickness of the PET base material after step 3 processing is liquid add-on type reaction silica gel, liquid acrylic glue or the polyurethane glue of 10-30 μm; toast through baking oven; storing temperature is 130-200 DEG C, then sticks PET cuticula, obtained anti-electromagnetic-radiation protective membrane.
2. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 1, is characterized in that: in described step one, and in the reflux process of A, Duo Bi/Single Walled Carbon Nanotube and concentrated nitric acid, Heating temperature is 150-180 DEG C; B, acidic conditions, be specially and regulate pH to be 1-2 with HCl; The stirring velocity of C, high-speed mixing equipment is that 800-1300 turns/min, and the jitter time of ultrasonic wave dispersing apparatus is 3-5h.
3. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 1; it is characterized in that: in described step one, the mass ratio of B, carbon nanotube and aniline is 1:60-1:80, dry 20-40min under vacuum condition; drying temperature is 100 DEG C, and vacuum tightness is-75kPa to-100kPa.
4. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 1; it is characterized in that: in described step one; C, described photo-cured coating also include the grating nano-silver powder that weight percent is 1-5%; grating nano-silver powder comprises 200nm silver powder and 30nm silver powder, and the mass ratio of 200nm silver powder and 30nm silver powder is 1:7.
5. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 4, it is characterized in that: in described step one, C, carbon naotube-polyaniline composite material and grating nano-silver powder are distributed in acrylated polyurethane resin by high-speed stirring and ultrasonic wave dispersing apparatus, centrifuging, obtain the photo-cured coating with anti-electromagnetic wave effect, the weight percent that carbon naotube-polyaniline composite material accounts for photo-cured coating is 3-8%, the weight percent that grating nano-silver powder accounts for photo-cured coating is 1-5%, the weight percent that acrylated polyurethane resin accounts for photo-cured coating is 87-96%.
6. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 1, is characterized in that: in described step 2, and the diameter of nick roller is 30-50mm, and the line number of nick roller is 40-400.
7. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 1, is characterized in that: in described step one, and the solid content of obtained photo-cured coating is 40-50%, and viscosity is 50-100cps.
8. the preparation method of a kind of anti-electromagnetic-radiation protective membrane according to claim 1; it is characterized in that: the thickness of described PET base material is 25-200 μm; the transmittance of PET base material is not less than 95%, and the thickness of described PET cuticula is the transmittance of 25-75 μm, PET cuticula is 92-95%.
9. an anti-electromagnetic-radiation protective membrane, is characterized in that: the anti-electromagnetic-radiation protective membrane that the preparation method as a kind of anti-electromagnetic-radiation protective membrane in claim 1-6 as described in any one obtains, and the transmittance of anti-electromagnetic-radiation protective membrane is 90-93%.
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| CN201410224352.5A CN104087188B (en) | 2014-05-26 | 2014-05-26 | A kind of anti-electromagnetic-radiation protective membrane and preparation method thereof |
| PCT/CN2015/079843 WO2015180627A1 (en) | 2014-05-26 | 2015-05-26 | Electromagnetic radiation-resistant protective film and preparation method thereof |
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| CN104087188B (en) * | 2014-05-26 | 2015-09-02 | 东莞市纳利光学材料有限公司 | A kind of anti-electromagnetic-radiation protective membrane and preparation method thereof |
| CN105068162A (en) * | 2015-08-11 | 2015-11-18 | 华南理工大学 | Diffusion and brightness-enhancement film having electromagnetic shielding function and preparation method thereof |
| CN105295759B (en) * | 2015-10-14 | 2018-05-08 | 东莞市纳利光学材料有限公司 | A kind of OCA optical adhesive films with anti-electromagnetic wave effect and preparation method thereof |
| CN105404039B (en) * | 2015-12-23 | 2018-10-26 | 东莞市纳利光学材料有限公司 | A kind of liquid crystal display and preparation method thereof with anti-electromagnetic wave OCA optical adhesive films |
| CN105965987A (en) * | 2016-05-03 | 2016-09-28 | 苏州天擎电子通讯有限公司 | Radiation prevention mobile phone protection film |
| CN106433120B (en) * | 2016-08-17 | 2018-02-02 | 北京君研碳极科技有限公司 | A kind of preparation method of the compound anti-electromagnetic radiation material of polyaniline/coal liquifaction residue and its product of preparation |
| CN107142036B (en) * | 2017-06-02 | 2020-10-16 | 东莞市纳利光学材料有限公司 | Anti-peeping printable anti-magnetic film and preparation method thereof |
| CN108279739A (en) * | 2018-01-26 | 2018-07-13 | 齐鲁工业大学 | A kind of computer radiation protection display screen |
| CN108410306A (en) * | 2018-04-16 | 2018-08-17 | 合肥仁德电子科技有限公司 | A kind of radiation shield wall coating materials applied to electronic equipment room |
| CN110257022B (en) * | 2019-07-18 | 2022-05-10 | 深圳前海量子翼纳米碳科技有限公司 | Insulated electromagnetic shielding heat-conducting silica gel pad and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006072741A1 (en) * | 2005-01-05 | 2006-07-13 | Arkema France | Use of carbon nanotubes for the production of a conductive organic composition and applications of one such composition |
| CN102134317A (en) * | 2010-01-27 | 2011-07-27 | 中国科学院合肥物质科学研究院 | Preparation method of carbon nano tube/polyaniline nano composite conductive powder |
| CN103740319A (en) * | 2013-12-25 | 2014-04-23 | 东莞市纳利光学材料有限公司 | Preparation method of optical protection film capable of magnifying screen fonts |
| CN103740292A (en) * | 2013-12-25 | 2014-04-23 | 东莞市纳利光学材料有限公司 | Self-cleaning nano-coating protective film and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040113127A1 (en) * | 2002-12-17 | 2004-06-17 | Min Gary Yonggang | Resistor compositions having a substantially neutral temperature coefficient of resistance and methods and compositions relating thereto |
| CN1272394C (en) * | 2004-11-25 | 2006-08-30 | 西安交通大学 | Method for preparing conductive polyaniline electromagnetic interference screening paint |
| US20100009165A1 (en) * | 2008-07-10 | 2010-01-14 | Zyvex Performance Materials, Llc | Multifunctional Nanomaterial-Containing Composites and Methods for the Production Thereof |
| TW201209123A (en) * | 2010-08-24 | 2012-03-01 | Foxconn Advanced Tech Inc | Coverlay used for electromagnetic shielding and method for manufacturing the same |
| KR101458133B1 (en) * | 2012-02-13 | 2014-11-05 | 주식회사 에스지테크 | Film for interception electromagneticwaves and manufacturing method thereby |
| CN203238207U (en) * | 2012-12-31 | 2013-10-16 | 东莞市美厚塑磁有限公司 | Ultrathin electromagnetic shielding magnetic film |
| CN104087188B (en) * | 2014-05-26 | 2015-09-02 | 东莞市纳利光学材料有限公司 | A kind of anti-electromagnetic-radiation protective membrane and preparation method thereof |
-
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- 2014-05-26 CN CN201410224352.5A patent/CN104087188B/en active Active
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006072741A1 (en) * | 2005-01-05 | 2006-07-13 | Arkema France | Use of carbon nanotubes for the production of a conductive organic composition and applications of one such composition |
| CN102134317A (en) * | 2010-01-27 | 2011-07-27 | 中国科学院合肥物质科学研究院 | Preparation method of carbon nano tube/polyaniline nano composite conductive powder |
| CN103740319A (en) * | 2013-12-25 | 2014-04-23 | 东莞市纳利光学材料有限公司 | Preparation method of optical protection film capable of magnifying screen fonts |
| CN103740292A (en) * | 2013-12-25 | 2014-04-23 | 东莞市纳利光学材料有限公司 | Self-cleaning nano-coating protective film and preparation method thereof |
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