CN106863968B - A kind of UV resistance blue light protective film - Google Patents
A kind of UV resistance blue light protective film Download PDFInfo
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- CN106863968B CN106863968B CN201710053536.3A CN201710053536A CN106863968B CN 106863968 B CN106863968 B CN 106863968B CN 201710053536 A CN201710053536 A CN 201710053536A CN 106863968 B CN106863968 B CN 106863968B
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- 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
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- 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
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- 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
- B32B27/40—Layered products comprising a layer of synthetic resin comprising polyurethanes
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- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- C09J4/00—Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16
- C09J4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09J159/00 - C09J187/00
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
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- 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
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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- 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
- B32B2605/00—Vehicles
- B32B2605/003—Interior finishings
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- 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
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Abstract
The present invention relates to polymeric membrane technical fields, more particularly to a kind of UV resistance blue light protective film, the protective film be include composite membrane that layer of polyurethane and polyester layer are combined, it is combined between layer of polyurethane and polyester layer using composite adhesive layer, the composite adhesive layer is the adhesive coating for including ultraviolet blue-light absorbers, wherein, adhesive is PVB adhesive, ultraviolet Blue light agent is the compounding agent of modified or unmodified melanin powder and ESCALOL 567 and titanium dioxide, the preparation process of the film is simple, the light transmittance not only having had, and ultraviolet and blue light can be effectively absorbed, the film can be according to the thickness different application of film in the numerous areas such as electronic industrial products and automobile adhesive film.
Description
Technical field
The present invention relates to polymeric membrane technical fields, and in particular to a kind of UV resistance blue light protective film.
Background technique
Blue light is the high-energy visible light that wavelength is 380-500nm, can penetrate crystalline lens and reach retina, make to regard
The epithelial cell of retinal pigment becomes feeble and die, and photaesthesia cell is caused to lack nutrient, so as to cause irreversible vision impairment, and it is blue
Scattering probability is higher when fine particle in encountering air for light, is easy to produce dazzle, and furthermore blue light can also stimulate brain, inhibits to take off
Melanocyte, which is secreted and improves the generation of cortex hormone of aadrenaline, directly affects sleep quality to destroy hormone secretion balance.Wherein,
Shortwave blue light between 400-480 nanometers of wavelength is maximum to the extent of injury of retina.Shortwave blue light within the scope of this can pierce
Sharp retina makes it that radical ion be excited to lead to retinal pigment epithelium atrophy, then causes the death of photosensitive cell, most
Cause the dimness of vision eventually, eyesight is gradually reduced or even completely loses.Blue light injects eyeground after over-focusing, and focus does not fall within view
It on nethike embrane, but falls between retina and crystalline lens, which increases the color difference distances that light focuses within the eye.Blue light is penetrated
Membership aggravates color difference and dimness of vision degree, and then eye muscle is overstretched, and eye blood supply is overstretched, and ocular blood supply adds
By force, to aggravate fatigue；Blue light can also aggravate macula retinae area disease, and after prolonged exposure, the toxicity of retina will
Increase with the shortening of wavelength, to aggravate macular area disease.
Blue light is largely present in the light such as computer monitor, fluorescent lamp, mobile phone, digital product, display screen, LED.With
The fast development of electronics technology, almost at the necessity of people, people need the electronic products such as mobile phone, computer, TV daily
It expends a great deal of time to face these electronic products, however includes to human body in the light of the screen of these electronic products sending
Injure very big blue light and ultraviolet light.In the epoch that nowadays science and technology rapidly develops, computer cannot be left, notebook is put down
The digital products such as plate computer, the work that can be stayed indoors, life, amusement, everything is all aobvious by internet and computer
Display screen is shown.Working efficiency is being improved, while enjoying entertainment, the eyes of oneself also receive the injury of blue light.
Likewise, there is a large amount of high energy shortwave blue lights in the light source of sunlight and headlight for vehicles.
Therefore, a kind of screen protecting film is invented, electronic product screen is fitted in, under the premise of scratch resistant, moreover it is possible to inhale
Blue light, shielding ultraviolet rays are received, this there will be very big meaning to the health of protection human body.
Currently, such protective film that can absorb blue light and shielding ultraviolet rays plays the knot of anti-blue light and anti-ultraviolet function
Structure is anti-scraping coating or individual optical film layer, and anti-blue light and anti-ultraviolet function are assigned to this kind of protective films in glue-line
There are no people's researchs.
Therefore, in order to protect human eye to injure from blue light, need to develop a kind of protective film, for use in the light for generating blue light
Human eye is directly protected in source.
Summary of the invention
The purpose of the present invention is to solve the above problems, provide a kind of UV resistance blue light protective film.
In order to achieve the above object of the invention, the invention adopts the following technical scheme:
A kind of UV resistance blue light protective film, the protective film be include layer of polyurethane and polyester layer be combined it is compound
Film is combined between layer of polyurethane and polyester layer using composite adhesive layer, the composite adhesive layer be include ultraviolet indigo plant
The adhesive coating of light absorber, wherein adhesive is PVB adhesive, and ultraviolet Blue light agent is modified or unmodified melanin
The compounding agent of powder and ESCALOL 567 and titanium dioxide, modified or unmodified melanin powder, 2-
The ratio of hydroxyl -4- methoxy benzophenone and titanium dioxide is 1-5:0.5:0.1；Adhesive includes following parts by weight meter
Component: PVB18 parts, 25 parts of ethyl acetate, Blue light agent 0.05-0.5 parts ultraviolet, 10 parts of bisphenol f type epoxy resin, styrene 5
Part, 3 parts of dimethyl itaconate, 2 parts of dimethyl silicone polymer, 5 parts of polyvinyl alcohol, 3 parts of polyvinylpyrrolidone and acrylic acid 5
Part.
As a preferred option, layer of polyurethane is prepared by urethane composition, according to parts by weight includes: polyurethane
80 parts, 1-3 parts of modified meerschaum powder, 2-3 parts of coupling agent, 1-3 parts of dispersing agent, 2-4 parts of lubricant, 1-2 parts of heat stabilizer；
The modified meerschaum powder is prepared from the following steps: sepiolite being calcined 60min at 500 DEG C, is dropped naturally
Wen Hou is crushed and is sieved through ball mill, obtains nanoscale sepiolite powder；By the pentanediol and second of sepiolite powder and mass concentration 13%
In the mixed solution of acetoacetic ester, it is stirred the dispersion liquid that is uniformly dispersed to obtain, wherein the mass ratio of pentanediol and ethyl acetate is 2:
1；Then the hydrochloric acid for accounting for dispersion liquid quality as 1-2% is added into dispersion liquid, and is ultrasonically treated 5-10 minutes, deionization after filtering
It washes and dry at 60 DEG C；Then combination solution is used to mix, combination solution is that solute is neopelex, benzene
Amine and isopropyl titanate, solvent are the mixed solution of second alcohol and water, and wherein the mass concentration of neopelex is 3%, titanium
The mass concentration of isopropyl propionate is 20%, the mass concentration of aniline is 5%, and 30min is mixed at 40 DEG C, is then filtered and in 70-
It is dry at 80 DEG C, then the product after drying is mixed with modification or unmodified melanin powder, specially grinder
Ground and mixed 30-60min, wherein the ratio of product and melanin after dry is 3-5:1.
As a preferred option, the coupling agent is Aluminate, titanate esters or the coupling agent of isobutyl functionality.
As a preferred option, the dispersing agent is linear high polysiloxanes or ethylene-vinyl acetate copolymer；
As a preferred option, the lubricant is ethylene bis stearamide, stearic acid or oxidized polyethylene wax；Thermostabilization
Agent is organic compound heat stabilizer.
As a preferred option, the method for modifying of the melanin is specific as follows:
(1) 2-10 parts of melanin powder are dispersed in 100 parts of dimethyl sulfoxides, and are wherein being added 2-5 parts
Then sodium citrate exists, keep 30min at 130-140 DEG C；
(2) it is added 50-80 parts of n-butanol in systems again, 1-5 parts of dodecyl bromide stirs 30min at 110 DEG C,
Then 20-30 parts of dimethyl silicone polymer and 3-5 parts of disodium ethylene diamine tetraacetate is added, then stirs 30- at 120 DEG C
60min；It is filtered, washed and dried；Drying temperature is 70-80 DEG C；
(3) 1-3 parts of product obtained are added in 10-30 parts of dimethylformamides, 2-5 parts of maleic acid is then added
Acid anhydride and 1-3 parts of fumaric acid, stir 20-30min at 60 DEG C, and citric acid 0.5-1 parts is added wherein；
(4) obtained product is filtered, washed and dried to obtain modified melanin powder.
Compared with prior art, the present invention beneficial effect is: preparation process is simple, the light transmittance not only having had, and
Ultraviolet and blue light can be effectively absorbed, which can paste according to the thickness different application of film in electronic industrial products and automobile
The numerous areas such as film.
Specific embodiment
Below by specific embodiment the technical scheme of the present invention will be further described explanation.
If raw material employed in the embodiment of the present invention is raw material commonly used in the art without specified otherwise, implement
Method employed in example, is the conventional method of this field.
Wherein melanin had both included the natural black pigment by extracting in animal and plant body, also included the artificial black that synthesis obtains
Element.Its main component is that tyrosine or the third ammonia of 3,4- dihydroxyphenyl pass through a succession of chemical reaction and is formed by polymer.Or it is
Crystal pigment (OLP, Ocular Lense Pigment), chemical component are as follows: 3-Hydroxykynurenine (3-OHKyn),
The oxidative polymerization product of 3-hydroxykynurenine.
Embodiment 1:
A kind of UV resistance blue light protective film, the protective film be include layer of polyurethane and polyester layer be combined it is compound
Film is combined between layer of polyurethane and polyester layer using composite adhesive layer, the composite adhesive layer be include ultraviolet indigo plant
The adhesive coating of light absorber, wherein adhesive is PVB adhesive, and ultraviolet Blue light agent is modified melanin powder and 2-
The compounding agent of hydroxyl -4- methoxy benzophenone and titanium dioxide, modified melanin powder, 2- hydroxyl -4- methoxyl group two
The ratio of Benzophenone and titanium dioxide is 1:0.5:0.1；Adhesive is used according to actual needs,
Adhesive specifically matches as follows: PVB18 parts, 25 parts of ethyl acetate, 0.1 part of ultraviolet Blue light agent, bisphenol F type epoxy
10 parts of resin, 5 parts of styrene, 3 parts of dimethyl itaconate, 2 parts of dimethyl silicone polymer, 5 parts of polyvinyl alcohol, polyvinylpyrrolidine
3 parts and 5 parts of acrylic acid of ketone, raw material preparation is carried out according to said ratio, then carries out preparing adhesive.
Layer of polyurethane is prepared by urethane composition, and urethane composition carries out raw material preparation according to following proportion:
80 parts of polyurethane, 1 part of modified meerschaum powder, 3 parts of coupling agent, 1 part of dispersing agent, 4 parts of lubricant, 1 part of heat stabilizer；
Modified meerschaum powder described in modified meerschaum powder in layer of polyurethane is prepared from the following steps: sepiolite is existed
It calcines 60min at 500 DEG C, after Temperature fall, crushes and be sieved through ball mill, obtain nanoscale sepiolite powder；By sepiolite powder with
In the pentanediol of mass concentration 13% and the mixed solution of ethyl acetate, it is stirred the dispersion liquid that is uniformly dispersed to obtain, wherein penta 2
The mass ratio of alcohol and ethyl acetate is 2:1；Then the hydrochloric acid for accounting for that dispersion liquid quality is 1-2% is added into dispersion liquid, and at ultrasound
Reason 5-10 minutes, deionization is washed and is dried at 60 DEG C after filtering；Then combination solution is used to mix, combination solution is molten
Matter is neopelex, aniline and isopropyl titanate, and solvent is the mixed solution of second alcohol and water, wherein detergent alkylate
The mass concentration of sodium sulfonate is 3%, the mass concentration of isopropyl titanate is 20%, the mass concentration of aniline is 5%, is mixed at 40 DEG C
30min is closed, then filtering and the drying at 70-80 DEG C, then mixes the product after drying with modified melanin powder
It closes, specially grinder ground and mixed 30-60min, wherein the mixed proportion of product and melanin after dry is 3:1.
The method of modifying of melanin used in adhesive and polyurethane is specific as follows:
(1) 20g melanin powder is dispersed in 1000g dimethyl sulfoxide, and in the citric acid that 50g is wherein added
Then sodium exists, keep 30min at 130-140 DEG C；
(2) n-butanol of 500g is added in systems again, the dodecyl bromide of 50g stirs 30min at 110 DEG C, then plus
Enter the dimethyl silicone polymer of 300g and the disodium ethylene diamine tetraacetate of 30g, then stirs 30-60min at 120 DEG C；Filtering,
It washs and dries；Drying temperature is 70-80 DEG C；
(3) obtained product 30g is added in 100 dimethylformamides, the maleic anhydride and 10g of 50g is then added
Fumaric acid, 20-30min is stirred at 60 DEG C, and wherein be added citric acid 10g；
(4) obtained product is filtered, washed and dried to obtain modified melanin powder.
Embodiment 2:
A kind of UV resistance blue light protective film, the protective film be include layer of polyurethane and polyester layer be combined it is compound
Film is combined between layer of polyurethane and polyester layer using composite adhesive layer, the composite adhesive layer be include ultraviolet indigo plant
The adhesive coating of light absorber, wherein adhesive is PVB adhesive, and ultraviolet Blue light agent is modified melanin powder and 2-
The compounding agent of hydroxyl -4- methoxy benzophenone and titanium dioxide, modified melanin powder, 2- hydroxyl -4- methoxyl group two
The ratio of Benzophenone and titanium dioxide is 5:0.5:0.1；Adhesive is used according to actual needs,
Adhesive specifically matches as follows: PVB18 parts, 25 parts of ethyl acetate, 0.5 part of ultraviolet Blue light agent, bisphenol F type epoxy
10 parts of resin, 5 parts of styrene, 3 parts of dimethyl itaconate, 2 parts of dimethyl silicone polymer, 5 parts of polyvinyl alcohol, polyvinylpyrrolidine
3 parts and 5 parts of acrylic acid of ketone, raw material preparation is carried out according to said ratio, then carries out preparing adhesive.
Layer of polyurethane is prepared by urethane composition, according to parts by weight includes: 80 parts of polyurethane, modified meerschaum
3 parts of powder, 2 parts of coupling agent, 3 parts of dispersing agent, 2 parts of lubricant, 2 parts of heat stabilizer；
Modified meerschaum powder described in modified meerschaum powder in layer of polyurethane is prepared from the following steps: sepiolite is existed
It calcines 60min at 500 DEG C, after Temperature fall, crushes and be sieved through ball mill, obtain nanoscale sepiolite powder；By sepiolite powder with
In the pentanediol of mass concentration 13% and the mixed solution of ethyl acetate, it is stirred the dispersion liquid that is uniformly dispersed to obtain, wherein penta 2
The mass ratio of alcohol and ethyl acetate is 2:1；Then the hydrochloric acid for accounting for that dispersion liquid quality is 1-2% is added into dispersion liquid, and at ultrasound
Reason 5-10 minutes, deionization is washed and is dried at 60 DEG C after filtering；Then combination solution is used to mix, combination solution is molten
Matter is neopelex, aniline and isopropyl titanate, and solvent is the mixed solution of second alcohol and water, wherein detergent alkylate
The mass concentration of sodium sulfonate is 3%, the mass concentration of isopropyl titanate is 20%, the mass concentration of aniline is 5%, is mixed at 40 DEG C
30min is closed, then filtering and the drying at 70-80 DEG C, then mixes the product after drying with modified melanin powder
It closes, specially grinder ground and mixed 30-60min, wherein the mixed proportion of product and melanin after dry is 5:1.
The method of modifying of melanin used in adhesive and polyurethane is specific as follows:
(1) 100g melanin powder is dispersed in 100 parts of dimethyl sulfoxides, and in the lemon that 20g is wherein added
Sour sodium, then exists, and keeps 30min at 130-140 DEG C；
(2) n-butanol of 800g is added in systems again, the dodecyl bromide of 10g stirs 30min at 110 DEG C, then plus
Enter the dimethyl silicone polymer of 200g and the disodium ethylene diamine tetraacetate of 50g, then stirs 30-60min at 120 DEG C；Filtering,
It washs and dries；Drying temperature is 70-80 DEG C；
(3) obtained product 10g is added in 300g dimethylformamide, the maleic anhydride and 30g of 20g is then added
Fumaric acid, 20-30min is stirred at 60 DEG C, and wherein be added citric acid 5g；
(4) obtained product is filtered, washed and dried to obtain modified melanin powder.
Embodiment 3:
A kind of UV resistance blue light protective film, the protective film be include layer of polyurethane and polyester layer be combined it is compound
Film is combined between layer of polyurethane and polyester layer using composite adhesive layer, the composite adhesive layer be include ultraviolet indigo plant
The adhesive coating of light absorber, wherein adhesive be PVB adhesive, ultraviolet Blue light agent be unmodified melanin powder with
The compounding agent of ESCALOL 567 and titanium dioxide, unmodified melanin powder, 2- hydroxyl -4- methoxy
The ratio of base benzophenone and titanium dioxide is 1:0.5:0.1；Adhesive is used according to actual needs,
Adhesive specifically matches as follows: PVB18 parts, 25 parts of ethyl acetate, 0.05 part of ultraviolet Blue light agent, Bisphenol F type ring
10 parts of oxygen resin, 5 parts of styrene, 3 parts of dimethyl itaconate, 2 parts of dimethyl silicone polymer, 5 parts of polyvinyl alcohol, polyvinyl pyrrole
3 parts and 5 parts of acrylic acid of alkanone, raw material preparation is carried out according to said ratio, then carries out preparing adhesive.
Layer of polyurethane is prepared by urethane composition, and urethane composition carries out raw material preparation according to following proportion:
80 parts of polyurethane, 1 part of modified meerschaum powder, 3 parts of coupling agent, 1 part of dispersing agent, 4 parts of lubricant, 1 part of heat stabilizer；
Modified meerschaum powder described in modified meerschaum powder in layer of polyurethane is prepared from the following steps: sepiolite is existed
It calcines 60min at 500 DEG C, after Temperature fall, crushes and be sieved through ball mill, obtain nanoscale sepiolite powder；By sepiolite powder with
In the pentanediol of mass concentration 13% and the mixed solution of ethyl acetate, it is stirred the dispersion liquid that is uniformly dispersed to obtain, wherein penta 2
The mass ratio of alcohol and ethyl acetate is 2:1；Then the hydrochloric acid for accounting for that dispersion liquid quality is 1-2% is added into dispersion liquid, and at ultrasound
Reason 5-10 minutes, deionization is washed and is dried at 60 DEG C after filtering；Then combination solution is used to mix, combination solution is molten
Matter is neopelex, aniline and isopropyl titanate, and solvent is the mixed solution of second alcohol and water, wherein detergent alkylate
The mass concentration of sodium sulfonate is 3%, the mass concentration of isopropyl titanate is 20%, the mass concentration of aniline is 5%, is mixed at 40 DEG C
30min is closed, then filtering and the drying at 70-80 DEG C, then carries out the product after drying with unmodified melanin powder
Mixing, specially grinder ground and mixed 30-60min, wherein the mixed proportion of product and melanin after dry is 3:1.
Embodiment 4:
Ultraviolet Blue light agent in embodiment 1 is become into only modified melanin.
Embodiment 5:
The total addition level of ultraviolet Blue light agent in embodiment 1 is constant, only retain ESCALOL 567 and
The compounding agent of titanium dioxide,
The protective film that embodiment 1-3 is prepared carries out the test of ultraviolet and blue light using sunlight irradiation, and concrete outcome is shown in
Following table:
| Embodiment | Ultraviolet-resistant rate | Blue light rejection rate | The hardness of film | Translucent effect |
| Embodiment 1 | >87% | >69% | 4H | Well |
| Embodiment 2 | >98% | >84% | 4H | It is good |
| Embodiment 3 | >80% | >62% | 4H | Well |
| Embodiment 4 | >84% | >65% | 4H | Generally |
| Embodiment 5 | >50% | >10% | 4H | Generally |
As seen from the above table, for the protective film prepared after addition melanin, there is preferable ultraviolet and blue light rejection rate, especially
It is (embodiment 2) in the case that additive amount increases, and can reach 98% or more to ultraviolet rejection rate, and to the rejection rate of blue light
84% or more can be reached, simultaneously, it is found that (implement by modified melanin (embodiment 1) and unmodified melanin
Example 3) it compares, it is more preferable to ultraviolet and blue light rejection rate effect；
Single melanin (embodiment 4) is compared with the ultraviolet Blue light agent (embodiment 1) of compounding, ultraviolet and blue light barrier
Rate obtains certain promotion；The ultraviolet Blue light agent of melanin is added compared with common ultraviolet Blue light agent, is had preferably ultraviolet
Blue light barriering effect.
Claims (4)
1. a kind of UV resistance blue light protective film, which is characterized in that the protective film be include layer of polyurethane and polyester layer it is compound and
At composite membrane, be combined between layer of polyurethane and polyester layer using composite adhesive layer, the composite adhesive layer is packet
Include the adhesive coating of ultraviolet blue-light absorbers, wherein adhesive is PVB adhesive, and ultraviolet blue-light absorbers are the black of modification
The compounding agent of pigment powder and ESCALOL 567 and titanium dioxide, modified melanin powder, 2- hydroxyl
The ratio of base -4- methoxy benzophenone and titanium dioxide is 1-5:0.5:0.1；Adhesive includes following parts by weight meter
Component: PVB18 parts, 25 parts of ethyl acetate, blue-light absorbers 0.5-5 parts ultraviolet, 10 parts of bisphenol f type epoxy resin, styrene 5
Part, 3 parts of dimethyl itaconate, 2 parts of dimethyl silicone polymer, 5 parts of polyvinyl alcohol, 3 parts of polyvinylpyrrolidone and acrylic acid 5
Part；
Layer of polyurethane is prepared by urethane composition, according to parts by weight includes: 80 parts of polyurethane, modified meerschaum powder 1-
3 parts, 2-3 parts of coupling agent, 1-3 parts of dispersing agent, 2-4 parts of lubricant, 1-2 parts of heat stabilizer；
The modified meerschaum powder is prepared from the following steps: sepiolite is calcined into 60min at 500 DEG C, after Temperature fall,
It crushes and is sieved through ball mill, obtain nanoscale sepiolite powder；By sepiolite powder in the pentanediol and acetic acid second of mass concentration 13%
In the mixed solution of ester, it is stirred the dispersion liquid that is uniformly dispersed to obtain, wherein the mass ratio of pentanediol and ethyl acetate is 2:1；So
The hydrochloric acid for accounting for dispersion liquid quality as 1-2% is added in backward dispersion liquid, and is ultrasonically treated 5-10 minutes, deionization is washed after filtering
And it is dry at 60 DEG C；Then it is mixed with combination solution, combination solution is that solute is neopelex, aniline and titanium
Isopropyl propionate, solvent are the mixed solution of second alcohol and water, and wherein the mass concentration of neopelex is 3%, metatitanic acid isopropyl
The mass concentration of ester is 20%, the mass concentration of aniline is 5%, and 30min is mixed at 40 DEG C, is then filtered and at 70-80 DEG C
It is dry, then the product after drying is mixed with modified melanin powder, specially grinder ground and mixed 30-
60min, wherein the ratio of product and melanin after dry is 3-5:1；
The method of modifying of the melanin is specific as follows:
(1) 2-10 parts of melanin powder are dispersed in 100 parts of dimethyl sulfoxides, and in the lemon for being wherein added 2-5 parts
Then sour sodium keeps 30min at 130-140 DEG C；
(2) it is added 50-80 parts of n-butanol in systems again, 1-5 parts of dodecyl bromide stirs 30min at 110 DEG C, then
20-30 parts of dimethyl silicone polymer and 3-5 parts of disodium ethylene diamine tetraacetate is added, then stirs 30- at 120 DEG C
60min；It is filtered, washed and dried；Drying temperature is 70-80 DEG C；
(3) 1-3 parts of product obtained are added in 10-30 parts of dimethylformamides, then be added 2-5 part maleic anhydride with
1-3 parts of fumaric acid stirs 20-30min at 60 DEG C, and citric acid 0.5-1 parts is added wherein；
(4) obtained product is filtered, washed and dried to obtain modified melanin powder.
2. a kind of UV resistance blue light protective film according to claim 1, which is characterized in that the coupling agent be Aluminate,
The coupling agent of titanate esters or isobutyl functionality.
3. a kind of UV resistance blue light protective film according to claim 1, which is characterized in that the dispersing agent is linear high poly-
Siloxanes or ethylene-vinyl acetate copolymer.
4. a kind of UV resistance blue light protective film according to claim 1, which is characterized in that the lubricant is that ethylene is double hard
Acyl amine, stearic acid or oxidized polyethylene wax；Heat stabilizer is organic compound heat stabilizer.
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| CN107728252B (en) * | 2017-12-11 | 2020-09-01 | 南通惟怡新材料科技有限公司 | Light guide plate for preventing light leakage |
| CN108312675B (en) * | 2018-04-04 | 2020-08-11 | 深圳市天博塑胶科技有限公司 | Composite functional membrane and preparation method thereof |
| CN109058933B (en) * | 2018-08-23 | 2022-04-15 | 中山驰马灯饰照明设计工程有限公司 | Prevent antifog compound lamp shade of blue light |
| CN110356079B (en) * | 2019-07-02 | 2021-02-12 | 浙江宝汇薄膜股份有限公司 | Colored polymer multilayer film and preparation method thereof |
| CN110888242B (en) * | 2019-10-21 | 2021-05-18 | 湖南波比生物科技有限公司 | Application method of melanin and preparation method of melanin lens |
| CN110722653B (en) * | 2019-10-25 | 2020-11-24 | 福建省顺昌县升升木业有限公司 | Preparation method of high-weather-resistance fir board |
| CN111169137B (en) * | 2019-12-31 | 2022-03-04 | 东莞市尼的科技股份有限公司 | Anti-ultraviolet protective film and preparation method thereof |
| CN111378241A (en) * | 2020-05-11 | 2020-07-07 | 江苏可奥熙光学材料科技有限公司 | Blue-light-proof resin composition and preparation method thereof |
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| CN103935098A (en) * | 2014-04-30 | 2014-07-23 | 宁波惠之星新材料科技有限公司 | Protection film with blue-ray-resistant and full-ultraviolet-preventing adhesive layer |
| CN103992625A (en) * | 2014-06-09 | 2014-08-20 | 上海祥羚光电科技发展有限公司 | Protective film resisting blue light harm of display screen and preparation method thereof |
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| JP2015533222A (en) * | 2012-07-30 | 2015-11-19 | スリーエム イノベイティブ プロパティズ カンパニー | UV stable assembly including multilayer optical film |
| CN103935098A (en) * | 2014-04-30 | 2014-07-23 | 宁波惠之星新材料科技有限公司 | Protection film with blue-ray-resistant and full-ultraviolet-preventing adhesive layer |
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