CN106218067B - Color correction film and preparation method thereof - Google Patents
Color correction film and preparation method thereof Download PDFInfo
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- CN106218067B CN106218067B CN201610773017.XA CN201610773017A CN106218067B CN 106218067 B CN106218067 B CN 106218067B CN 201610773017 A CN201610773017 A CN 201610773017A CN 106218067 B CN106218067 B CN 106218067B
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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
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0254—After-treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/06—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation
- B05D3/061—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to radiation using U.V.
- B05D3/065—After-treatment
- B05D3/067—Curing or cross-linking the coating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
- B05D7/26—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials synthetic lacquers or varnishes
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2201/00—Polymeric substrate or laminate
- B05D2201/02—Polymeric substrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2501/00—Varnish or unspecified clear coat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2601/00—Inorganic fillers
- B05D2601/20—Inorganic fillers used for non-pigmentation effect
Abstract
the invention discloses a color correction film which sequentially comprises a first PET (polyethylene terephthalate) base material, an organic silicon pressure-sensitive adhesive protection film, a polyurethane acrylic resin hardened layer, a second PET base material, a polyurethane acrylic resin hardened layer and a PE (polyethylene) protection film from top to bottom. The invention also discloses a method for preparing the color correction film, which mainly comprises the steps of preparing mixed paint, coating, compounding a protective film and the like. The invention adopts the wave-absorbing property of the nano-gold material, effectively disperses in the photo-curing material or the thermosetting material, coats the mixed coating on the PET film material in a coating mode, and forms the color correction film after UV curing molding. The color correction film can remarkably increase the color gamut of liquid crystal display, improve the color gamut of the liquid crystal display, and increase the color gamut value to more than 90%, thereby greatly improving the liquid crystal display and greatly reducing the production cost compared with a quantum dot film; and the invention has high production yield by adopting roll-to-roll coating, is easy for large-scale production and effectively reduces the cost.
Description
Technical Field
The invention relates to the technical field of high-function materials, in particular to a color correction film and a preparation method thereof.
Background
The currently marketed lcd uses a white LED as a backlight source, and the spectrum of the white LED is a continuous spectrum, so that a color filter is required to filter out red, blue and green light. In addition, white LEDs provide uneven primary intensity distribution of the three primary colors, and green and red light, except for blue light, is not very energetic, so white LEDs are not optimal backlighting sources from a spectral point of view. Under such a limitation, the image color of the current liquid crystal display is not saturated enough. According to testing, a typical lcd-tv color gamut exhibits about 72% NTSC.
The quantum dot film is a special film added in front of the original LED backlight lamp, and semiconductor micro-particulate matters 'quantum dots' are distributed on the film, so that the liquid crystal display can easily realize a wide color gamut. At present, as the quantum dot film technology is mostly mastered in the hands of foreign high and new technology enterprises, the quantum dot film used by the domestic quantum dot television can only depend on import, the cost is high, the price of the quantum dot television is high, and the quantum dot film is expensive, and the problem that the manufacturing film material for solving the quantum dot film is difficult to separate water vapor, and the luminous quality and the service life of the quantum dot film material can not be ensured.
Disclosure of Invention
The invention aims to provide a color correction film and a preparation method thereof, the color correction film can obviously increase the color gamut of liquid crystal display, and the production cost is greatly reduced compared with a quantum dot film.
in order to solve the technical problems, the invention adopts the technical scheme that: include first PET substrate, organosilicon pressure sensitive adhesive protection film, second PET substrate, PE protection film in proper order still be provided with polyurethane acrylic resin sclerosis layer on the upper and lower surface of second PET substrate.
Preferably, the polyurethane acrylic resin hardened layer is composed of a nanogold material with the particle size of 20-60nm and the purity of more than 99% and polyurethane acrylic resin.
Preferably, the thickness of the polyurethane acrylic resin hardened layer is 3-6 μm.
Preferably, the thickness of the second PET substrate is 75-188 μm, the thickness of the organic silicon pressure-sensitive adhesive protective film is 5-15 μm, the thickness of the PE protective film is 25-75 μm, and the thickness of the first PET substrate is 15-75 μm.
A method for preparing the color correction film comprises the following steps:
(1) Preparing a mixed coating: slowly adding 5-10 parts of nanogold material into 100 parts of polyurethane acrylic resin varnish in a mechanical stirring mode under the condition of ultrasonic dispersion of an ultrasonic disperser;
(2) coating: pumping the mixed coating in the first step into a glue tank through a feeding system, uniformly coating glue solution on a PET (polyethylene terephthalate) base material through an anilox roller, sending the coated PET base material into a drying oven under the action of tension, setting the temperature between 50 and 90 ℃, baking for 30 to 60 seconds, evaporating a solvent in the coating, and curing polyurethane acrylic resin through a UV (ultraviolet) curing device; controlling the thickness of the hardening layer to be 3-6 μm, and coating the other side after coating one side;
(3) compounding a protective film: and (3) adhering the upper layer of the hardened film coated in the second step with an organic silicon pressure-sensitive adhesive protective film, and adhering the lower layer with a PE protective film.
Preferably, in the step (1), the solid content of the polyurethane acrylic resin varnish is 10-60%, the solvent is 40-90%, and the solvent is one or a mixture of ethyl acetate, n-butyl acetate and toluene.
Preferably, in the step (1), the mechanical stirring speed is 300-1200rpm, the power of the ultrasonic disperser is 1200-1500w, and the stirring and ultrasonic dispersing time is 1-3 h.
Preferably, in the step (2), the diameter of the anilox roller is 50-100mm, and the number of lines is 10-200 LPI.
Preferably, in the step (2), the UV energy of the curing device is 200-1000mj/cm 2.
Preferably, in the step (2), the oven is pre-baked by 6 sections of ovens, and the temperature is set as follows: 50 deg.C, 60 deg.C, 70 deg.C, 90 deg.C, 70 deg.C.
The invention adopts the wave-absorbing property of the nano-gold material to effectively disperse in the light-cured material or the heat-cured material, coats the mixed coating on the PET film material in a wet coating mode by a coating mode, and forms the color correction film after UV curing molding.
the color correction film can remarkably increase the color gamut of liquid crystal display, improve the color gamut of the liquid crystal display, and increase the color gamut value to more than 90%, thereby greatly improving the liquid crystal display and greatly reducing the production cost compared with a quantum dot film; the preparation method of the invention has high production yield by roll-to-roll coating, is easy for large-scale production and effectively reduces the cost.
drawings
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention:
FIG. 1 is a schematic structural diagram of a color correction film according to the present invention;
FIG. 2 is a spectrum absorption chart of the color correction film of the present invention.
Detailed Description
The present invention will now be described in detail with reference to the drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the present invention are provided to explain the present invention without limiting the invention thereto.
As shown in fig. 1, the color correction film of the present invention comprises a PET substrate 1, a silicone pressure sensitive adhesive protective film 2, a cured urethane acrylic resin layer 3, a PET substrate 4, a cured urethane acrylic resin layer 3, and a PE protective film 5 in this order from top to bottom.
in this example, in order to distinguish the two PET substrates in the color correction film of the present invention, the uppermost PET substrate 1 is referred to as a first PET substrate, the intermediate PET substrate 4 is referred to as a second PET substrate,
Specifically, the thickness of the second PET substrate 4 is 75-188 μm, the thickness of the organic silicon pressure-sensitive adhesive protective film 2 is 5-15 μm, the thickness of the polyurethane acrylic resin hardened layer 3 is 3-6 μm, the thickness of the PE protective film 5 is 25-75 μm, and the thickness of the first PET substrate 1 is 15-75 μm.
specifically, the urethane acrylic resin hardened layer 3 is composed of a nanogold material having a particle size of 20 to 60nm and a purity of 99% or more and urethane acrylic resin.
The preparation method of the color correction film comprises the following steps:
1. preparing a mixed coating:
A. Selecting a nano-gold material: the requirement of the nano-gold material is as follows: the grain diameter is 20-60nm, and the purity is more than 99%;
B. Selecting a hardening liquid: selecting polyurethane acrylic resin varnish as hardening liquid, wherein the solid content is 10-60%, the solvent is 40-90%, and the solvent is one or a mixture of ethyl acetate, n-butyl acetate, toluene and the like;
C. dispersing the nano material into the hardening liquid: adding 5-10 parts of nano-gold material into 100 parts of polyurethane acrylic resin varnish through mechanical stirring and ultrasonic dispersion;
2. Coating of
A. the method of anilox roller coating is adopted: the diameter of the anilox roller is 50-100mm, and the number of lines is 10-200 LPI;
B. 6 sections of the oven are pre-baked, and the temperature of the oven is set as follows: 50 ℃, 60 ℃, 70 ℃, 90 ℃, 70 ℃;
C. roll-to-roll coating, wherein the tension of discharging is 5-15kgf, and the tension of receiving is 8-30 kgf;
D. Controlling the thickness of the dry film to be 3-4 mu m;
3. composite protective film
A. And (3) adhering the upper layer of the material prepared in the second step with a silica gel protective film and the lower layer with a PE film for protection.
specifically, the method comprises the following steps:
1. Preparing a mixed coating:
5-10 parts of nanogold materials with the particle size of 20-60nm are slowly added into 100 parts of polyurethane acrylic resin varnish by a mechanical stirring mode (the mechanical stirring speed is 300-1200rpm) with the help of ultrasonic dispersion of an ultrasonic disperser (the power is 1200-1500w), the solid content of the selected polyurethane acrylic resin varnish is 10-60%, and stirring and ultrasonic dispersion are carried out for 1-3 hours.
2. coating of
And pumping the mixed coating in the first step into a glue tank through a feeding system. Uniformly coating the glue solution on a PET (polyethylene terephthalate) base material through a 50-100mm anilox roller (line number is 60-200LPI), wherein the thickness of the selected PET base material is 75-188 micrometers, sending the coated PET base material into an oven under the action of tension, setting the temperature between 50-90 ℃, baking for 30-60s, evaporating the solvent in the coating, and curing the polyurethane acrylic resin through a UV curing device. The UV energy of the curing device is 200-1000mj/cm2, the thickness of the hardening layer is controlled to be 3-6 μm, and after one side is coated, the other side is coated.
3. Composite protective film
and (3) adhering the upper layer of the hardened film coated in the third step with an organic silicon pressure-sensitive adhesive protective film, and adhering the lower layer with a PE protective film.
the spectral absorption chart of the color correction film of the present invention is shown in fig. 2, from which it can be seen that: the spectrum of the yellow light wave band is absorbed in a large amount, so that the three primary colors of red, green and blue are purer, and the color reality is more vivid.
In conclusion, the color correction film can remarkably increase the color gamut of liquid crystal display, can improve the color gamut of the liquid crystal display, and can increase the color gamut value to more than 90%, thereby greatly reducing the production cost compared with a quantum dot film; the preparation method of the invention has high production yield by roll-to-roll coating, is easy for large-scale production, effectively reduces the cost and greatly improves the liquid crystal display.
The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the present description should not be construed as a limitation to the present invention.
Claims (9)
1. The utility model provides a color correction film, includes first PET substrate, organosilicon pressure sensitive adhesive protection film, second PET substrate, PE protection film in proper order, its characterized in that: polyurethane acrylic resin hardened layers are further arranged on the upper surface and the lower surface of the second PET substrate; the polyurethane acrylic resin hardened layer is composed of a nano-gold material with the particle size of 20-60nm and the purity of more than 99% and polyurethane acrylic resin.
2. The color correction film according to claim 1, wherein: the thickness of the polyurethane acrylic resin hardened layer is 3-6 mu m.
3. The color correction film according to claim 2, wherein: the thickness of the second PET base material is 75-188 micrometers, the thickness of the organic silicon pressure-sensitive adhesive protective film is 5-15 micrometers, the thickness of the PE protective film is 25-75 micrometers, and the thickness of the first PET base material is 15-75 micrometers.
4. A method of preparing the color correction film according to any one of claims 1 to 3, comprising the steps of:
(1) Preparing a mixed coating: slowly adding 5-10 parts of nanogold material into 100 parts of polyurethane acrylic resin varnish in a mechanical stirring mode under the condition of ultrasonic dispersion of an ultrasonic disperser;
(2) Coating: pumping the mixed coating in the first step into a glue tank through a feeding system, uniformly coating glue solution on a PET (polyethylene terephthalate) base material through an anilox roller, sending the coated PET base material into a drying oven under the action of tension, setting the temperature between 50 and 90 ℃, baking for 30 to 60 seconds, evaporating a solvent in the coating, and curing polyurethane acrylic resin through a UV (ultraviolet) curing device; controlling the thickness of the hardening layer to be 3-6 μm, and coating the other side after coating one side;
(3) Compounding a protective film: and (3) adhering the upper layer of the hardened film coated in the second step with an organic silicon pressure-sensitive adhesive protective film, and adhering the lower layer with a PE protective film.
5. the method for producing a color correction film according to claim 4, characterized in that: in the step (1), the solid content of the polyurethane acrylic resin varnish is 10-60%, the solvent is 40-90%, and the solvent is one or a mixture of ethyl acetate, n-butyl acetate and toluene.
6. The method for producing a color correction film according to claim 4, characterized in that: in the step (1), the mechanical stirring speed is 300-1200rpm, the power of the ultrasonic disperser is 1200-1500w, and the stirring and ultrasonic dispersing time is 1-3 h.
7. The method for producing a color correction film according to claim 4, characterized in that: in the step (2), the diameter of the anilox roller is 50-100mm, and the number of lines is 10-200 LPI.
8. The method for producing a color correction film according to claim 4, characterized in that: in the step (2), the UV energy of the curing device is 200-1000mj/cm 2.
9. The method for producing a color correction film according to claim 4, characterized in that: in the step (2), the oven is pre-baked by 6 sections of ovens, and the temperature is set as follows: 50 deg.C, 60 deg.C, 70 deg.C, 90 deg.C, 70 deg.C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610773017.XA CN106218067B (en) | 2016-08-31 | 2016-08-31 | Color correction film and preparation method thereof |
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| CN201610773017.XA CN106218067B (en) | 2016-08-31 | 2016-08-31 | Color correction film and preparation method thereof |
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| CN106218067A CN106218067A (en) | 2016-12-14 |
| CN106218067B true CN106218067B (en) | 2019-12-17 |
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| CN107187128B (en) * | 2017-04-29 | 2019-04-02 | 广州易航电子有限公司 | A kind of curved surface protective film and its laminating method of coating and forming method |
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| KR20080090659A (en) * | 2007-04-05 | 2008-10-09 | 삼성정밀화학 주식회사 | Cholesteric liquid crystal polymer, color compensating film and filter comprising the same, and display device having the film or the filter |
| CN102194539A (en) * | 2010-03-11 | 2011-09-21 | 联享光电股份有限公司 | Transparent electric-conducting laminate body and manufacturing method thereof |
| WO2013125408A1 (en) * | 2012-02-23 | 2013-08-29 | 日油株式会社 | Color tone correction film and transparent conductive film using same |
| CN103507357A (en) * | 2012-06-20 | 2014-01-15 | 苏州金海薄膜科技发展有限公司 | Anti-glare screen protection film |
| JP6405902B2 (en) * | 2014-11-05 | 2018-10-17 | 日油株式会社 | Color tone correction film and transparent conductive film using the same |
| CN206501509U (en) * | 2016-08-31 | 2017-09-19 | 惠州市摩码菱丽光电材料有限公司 | A kind of colour correction film |
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Inventor after: Qi Dongdong Inventor after: Sun Jinyong Inventor after: Xi Zhongfei Inventor after: Ai Qing Inventor after: Zhou Lina Inventor after: Li Yanglin Inventor before: Qi Dongdong Inventor before: Sun Jinyong Inventor before: Xi Zhongfei Inventor before: Pan Zhongping Inventor before: Ai Qing Inventor before: Zhou Lina Inventor before: Li Yanglin |
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Effective date of registration: 20210429 Address after: 516321 west of No.5 factory building of Baoke industry, shiertuo Pearl River Delta industrial transfer park, Daling Town, Huidong County, Huizhou City, Guangdong Province Patentee after: Huizhou MoMA Dingli Technology Co.,Ltd. Address before: 516321, Guangdong City, Huizhou province Huidong big ridge town twelve, white sand wiring, Shiling Pearl River Delta industrial transfer park Patentee before: HUIZHOU MOMA LINGLI PHOTOELECTRIC MATERIAL Co.,Ltd. |
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