CN111944451A - Preparation method of colored adhesive film and colored tile - Google Patents

Preparation method of colored adhesive film and colored tile Download PDF

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Publication number
CN111944451A
CN111944451A CN201910411287.XA CN201910411287A CN111944451A CN 111944451 A CN111944451 A CN 111944451A CN 201910411287 A CN201910411287 A CN 201910411287A CN 111944451 A CN111944451 A CN 111944451A
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China
Prior art keywords
adhesive film
colored
color
film
preparing
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Pending
Application number
CN201910411287.XA
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Chinese (zh)
Inventor
王凯隆
顾鸿扬
赵阳
杨晨
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Hanwa Technology Co ltd
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Hanergy Mobile Energy Holdings Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Hanergy Mobile Energy Holdings Group Co Ltd filed Critical Hanergy Mobile Energy Holdings Group Co Ltd
Priority to CN201910411287.XA priority Critical patent/CN111944451A/en
Publication of CN111944451A publication Critical patent/CN111944451A/en
Pending legal-status Critical Current

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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
    • C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
    • C09J7/35—Heat-activated
    • 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
    • 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
    • C09J7/10—Adhesives in the form of films or foils without carriers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • H01L31/048—Encapsulation of modules
    • H01L31/049—Protective back sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • 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
    • C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
    • C09J2203/33—Applications of adhesives in processes or use of adhesives in the form of films or foils for batteries or fuel cells
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

The invention discloses a preparation method of a colored adhesive film (200) and a colored tile, which comprises the steps of premixing and modifying inorganic pigment and titanium dioxide to obtain modified mixed filler; and adding the modified mixed filler into a glue film material, mixing and stirring, and performing extrusion molding to obtain the color glue film 200. The color adhesive film 200 obtained by the method can shield long-wave ultraviolet (320-400 nm) and medium-wave ultraviolet (280-320 nm), and the ultraviolet transmittance is less than 5%. When the sun constant is 1535w/m2 and the irradiation is carried out for 100-1000h, the adhesive film is not degraded and yellowed.

Description

Preparation method of colored adhesive film and colored tile
Technical Field
The invention relates to the field of buildings, in particular to a preparation method of a colored adhesive film and a colored tile.
Background
The current photovoltaic module packaging adhesive film is almost all white semitransparent materials. The prepared photovoltaic modules all display the color of the cell or the background color of the back plate. But because the pleasing to the eye needs of product, expand the kind of product, use the colored glued membrane can change the product ground color, increase the product aesthetic feeling, moreover when this glued membrane only uses chip back layer, can add suitable background color for the subassembly under the condition that does not influence subassembly luminousness.
Because the photovoltaic module is required to be exposed to the sun for a long time for power generation, the used packaging material is required to have good ultraviolet light aging resistance. The existing method for preparing the colored adhesive film is generally to add the colored organic dye into the adhesive film, and the method is relatively low in cost. However, organic dyes are easily degraded under long-term ultraviolet irradiation, which seriously affects the service life of the photovoltaic module.
Disclosure of Invention
In order to solve the technical problems, the invention provides a preparation method of a colored adhesive film 200 and a colored tile, which can resist ultraviolet aging, prolong the service life of a photovoltaic module and reduce the cost of the adhesive film.
A method for preparing a colored adhesive film 200 comprises the following steps:
premixing and modifying inorganic pigment and titanium dioxide to obtain modified mixed filler;
adding the modified mixed filler into a glue film material with a melt index of more than 20g/10min, and granulating to obtain a colored glue film master batch;
and adding the color adhesive film master batch into adhesive film granules with the melt index of less than 20g/10min, stirring and mixing, and extruding to form a film to obtain the color adhesive film 200.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
FIG. 1 is a flow chart of the present invention for preparing an adhesive film;
fig. 2 is a structural view of the color tile of the present invention.
Reference numerals: 100-a back plate; 200-a colored glue film; 300-color solar cell chips; 400-a light-transmitting adhesive film; 500-light-transmitting front plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention without any inventive step, are within the scope of protection of the invention.
As shown in fig. 1, a method for preparing 200 layers of color adhesive film is shown. The preparation method comprises the steps of premixing and modifying inorganic pigment and titanium dioxide to obtain modified mixed filler; and adding the modified mixed filler into a glue film material, mixing and stirring, and performing extrusion molding to obtain the color glue film 200.
The color adhesive film 200 obtained by the method can shield long-wave ultraviolet (320-400 nm) and medium-wave ultraviolet (280-320 nm), and the ultraviolet transmittance is less than 5%. When the sun constant is 1535w/m2 and the irradiation is carried out for 100-1000h, the adhesive film is not degraded and yellowed. And the colored glue film 200 obtained by adding the colored organic dye into the glue film is degraded when irradiated for 30-50h at the solar constant of 1535w/m2, and cannot be normally used.
Further, the adhesive film is a hot-melt adhesive film, can be used for bonding each component in the photovoltaic module, and is preferably one of POE, EVA and PVB.
In the embodiment of the present invention, the inorganic pigment may be an inorganic material having a color, and may be iron oxide, lead chromate, zinc chromate, chromium oxide, or the like, and is selected according to a desired color. The inorganic pigment is used for coloring the adhesive film, so that the adhesive film can not be photodegraded in the sun, and the service life of the colored adhesive film 200 can be greatly prolonged.
In another embodiment of the invention, the titanium dioxide is selected from nano titanium dioxide, and compared with common titanium dioxide, nano titanium dioxide has better ultraviolet resistance.
In one embodiment of the present invention, the inorganic pigment is pre-mixed with titanium dioxide to form a pre-mixed inorganic filler. Wherein the mass ratio of the titanium dioxide to the inorganic pigment is 1: 5-1: 20. the materials can be mixed more uniformly by selecting premixing, and the phenomenon that the color intensity and the ultraviolet resistance of the adhesive film are not uniform and partial aging is caused due to nonuniform mixing of titanium dioxide and inorganic pigment in the subsequent processing process is avoided.
In another embodiment of the present invention, in the modification of the mixture of titanium dioxide and inorganic pigment, the modifying agent is a surfactant. The specific process is as follows: adding the premixed inorganic filler into a surfactant, mechanically stirring at a high speed, and modifying the surface of the premixed inorganic filler, so that the interface compatibility of the premixed inorganic filler with a glue film and the like is improved; on the other hand, the dispersion of the filler can be promoted, and the agglomeration or agglomeration of the filler can be prevented. Specifically, the stirring speed is 1rad/s to 1000rad/s, and the stirring temperature is 25 ℃ to 100 ℃.
And filtering, washing, naturally drying or heating and drying the modified inorganic filler for the next step.
In an embodiment of the present invention, the adding of the modified mixed filler into the adhesive film material includes the following steps: adding the modified mixed filler into a glue film material with high melt index (namely, the melt index is more than 20g/10min, for convenience of description, the high melt index refers to the melt index is more than 20g/10min), and granulating to obtain color glue film master batches; and adding the color film master batch into film granules with lower melting index (namely, the melting index is less than 20g/10min, for convenience of description, the melting index is less than 20g/10min for the high melting index hereinafter), stirring and mixing, and extruding to form a film, thereby obtaining the color film 200. The filler is mainly due to the characteristic of easy agglomeration, and the high-melt-index material is pre-added, so that the dispersibility of the filler in resin is improved, and the material performance is improved.
Specifically, before the modified mixed filler is added into the high-melt-index adhesive film material, the high-melt-index adhesive film material is extruded from a screw extruder, wherein the ratio of the modified mixed filler to the high-melt-index adhesive film is 1: 2-1: 10; the temperature of granulation is 120-160 ℃. The addition of the mixed filler reduces the addition of the adhesive film material, and the price of the mixed filler is far lower than that of a pure adhesive film, so that the price of the colored adhesive film 200 can be greatly reduced, and the industrialized popularization is facilitated.
Further, the ratio of the color glue film master batch to the low-melting-index glue film is 1: 3-1: 30, of a nitrogen-containing gas; if the ratio is too low, the filler ratio is too low to achieve the desired effect, while if the ratio is too high, the filler may seriously affect the flowability and other physical properties of the adhesive film.
Furthermore, the temperature of the extrusion film forming is 140-160 ℃, so that the adhesive film has stable fluidity and cannot be degraded.
Due to the influence of specular reflection and diffuse reflection, the color consistency of the colored area of the coated chip encaustic tile is better than that of the coated glass encaustic tile. However, the color plating film area is limited to the chip area, and the off-chip area of the visible range is still displayed as the background color. Because different customers enjoy different points, some customers more enjoy samples with the same color in the whole area. Therefore, in order to ensure the color consistency, the invention designs a film-coated chip color tile with different required background colors in another embodiment.
As shown in fig. 2, an embodiment of the present invention further provides a color tile, a backing plate 100; the color glue film 200 prepared by the method; the color solar cell chip 300 is arranged on one side of the color adhesive film 200 far away from the back plate 100; the light-transmitting adhesive film 400, wherein the light-transmitting adhesive film 400 is arranged on one side of the color solar cell chip 300 far away from the color adhesive film 200; a light-transmitting front plate 500, wherein the light-transmitting front plate 500 is disposed on a side of the light-transmitting adhesive film 400 away from the color solar cell chip 300.
Generally, the color film 200 is located close to the back plate 100, and if the color of the film close to the transparent front plate 500 is also changed, the light transmittance is reduced, and finally the power of the solar cell chip is reduced.
Specifically, the back plate 100 of the color tile may be made of glass, polymer material, etc., as long as it has certain strength and water resistance, and is not limited specifically herein. In order to realize different tile shapes, the back plate 100 is preferably a flexible back plate 100, and can be designed into a curved tile, a special-shaped tile and the like according to requirements.
The color solar cell chip 300 is formed by plating colors on the surface of a solar cell chip, wherein the specific type of the solar cell chip is not limited, for example, the color solar cell chip can be a crystalline silicon solar cell chip or a thin film solar cell chip, and preferably, the color solar cell chip is a thin film solar cell chip, and has the advantages of high light absorption rate, low cost, simple preparation process, energy saving, consumption reduction, good weak light transmittance, light weight, flexibility, and the like. The specific product type of the thin film solar cell chip is not limited, and may be, for example, an amorphous silicon thin film solar cell chip, a gallium arsenide (GaAs) thin film solar cell chip, a Copper Indium Gallium Selenide (CIGS) thin film solar cell chip, a Copper Indium Selenide (CIS) thin film solar cell chip, a cadmium telluride (CdTe) thin film solar cell chip, an organic polymer thin film solar cell chip, or the like.
Further, the transparent adhesive film 400 may be one of PVB, SGP, POE, and EVA, and the adhesive film having adhesive property satisfying the use requirement may be preferably the same as the adhesive film of the color adhesive film 200, mainly because the fusion of the adhesive films is easily achieved, and the adhesive property is improved.
The transparent front plate 500 may be ordinary float glass or tempered glass, as long as it has high strength, flame retardancy, and strong light transmittance, and is not limited herein; preferably ultra-white toughened glass with the thickness of 3-8 mm.
Further, the color tile is preferably a curved tile, and further, the curved tile is preferably a wavy curved tile.
The invention also discloses a preparation method of the colored tile, which comprises the following steps:
the back plate 100, the color adhesive film 200 prepared by the method, the color solar cell chip 300, the light-transmitting adhesive film 400 and the light-transmitting front plate 500 are arranged in a laminated manner; and (3) laminating the structural assembly arranged in a stacked mode, wherein specific lamination parameters are consistent with those of the color tile in the prior art. In the lamination process, the transparent adhesive film 400 and the color adhesive film 200 are melted, the materials of the upper and lower adhesive films are preferably the same, the compatibility is good, and in the melting process, under the action of external force, certain mutual permeation can occur between the interfaces of the two adhesive films, so that the obvious interface phenomenon caused by the incompatibility of the interfaces can be eliminated. After lamination, when the adhesive film is cooled, the non-chip area will show the color of the colored adhesive film 200 close to the back plate 100, and the overall background color will show the color of the colored adhesive film 200, as viewed from the transparent front plate 500.
The method can conveniently and rapidly prepare the background color tile with the same or similar color as the film-coated chip without changing the lamination parameters and the product structure, thereby increasing the color consistency and meeting the special requirements of customers.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A method for preparing a colored adhesive film (200), comprising:
premixing and modifying inorganic pigment and titanium dioxide to obtain modified mixed filler;
and adding the modified mixed filler into a glue film material, mixing and stirring, and performing extrusion molding to obtain the colored glue film (200).
2. The method for preparing a colored adhesive film (200) according to claim 1, wherein the adding the modified mixed filler to the adhesive film material comprises:
adding the modified mixed filler into a glue film material with a melt index of more than 20g/10min, and granulating to obtain color glue film master batches;
and adding the color adhesive film master batch into adhesive film granules with the melt index of less than 20g/10 min.
3. The method for preparing a colored adhesive film (200) according to claim 1, wherein the mass ratio of the titanium dioxide to the inorganic pigment is 1: 5-1: 20.
4. the method for preparing the colored adhesive film (200) according to claim 1, wherein the modification is that a surfactant is added into a mixture formed by premixing an inorganic pigment and titanium dioxide, and the mixture is stirred, wherein the stirring speed is 1rad/s to 1000rad/s, and the stirring temperature is 25 ℃ to 100 ℃.
5. The method for preparing a colored adhesive film (200) according to claim 1, wherein the adhesive film material with a melt index greater than 20g/10min is extruded from a screw extruder before the modified mixed filler is added to the adhesive film material with a melt index greater than 20g/10min, wherein the mass ratio of the modified mixed filler to the adhesive film with a melt index greater than 20g/10min is 1: 2-1: 10.
6. the method for preparing the colored adhesive film (200) according to claim 5, wherein the granulating temperature is 120-160 ℃.
7. The method for preparing the colored adhesive film (200) according to claim 1, wherein the mass ratio of the colored adhesive film master batch to the adhesive film with the melt index less than 20g/10min is 1: 3-1: 30.
8. the method for preparing the colored adhesive film (200) according to claim 7, wherein the temperature of the extruded film is 140-160 ℃.
9. The method for preparing the colored adhesive film (200) according to claims 1-8, wherein the adhesive film is one of POE, EVA or PVB.
10. A color tile, comprising:
a back plate (100) for supporting a back plate,
the colored film (200) produced by the process according to any one of claims 1 to 9,
the color solar cell chip (300) is arranged on one side, far away from the back plate (100), of the color adhesive film (200);
the light-transmitting adhesive film (400), the light-transmitting adhesive film (400) is arranged on one side, far away from the color adhesive film (200), of the color solar cell chip (300);
the light-transmitting front plate (500) is arranged on one side, far away from the color solar cell chip (300), of the light-transmitting adhesive film (400).
CN201910411287.XA 2019-05-16 2019-05-16 Preparation method of colored adhesive film and colored tile Pending CN111944451A (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112321888A (en) * 2020-11-18 2021-02-05 江苏极易新材料有限公司 Inorganic reinforced powder filler capable of improving resin yellowing
CN114316814A (en) * 2021-12-29 2022-04-12 苏州赛伍应用技术股份有限公司 Packaging adhesive film with color gradient effect and preparation method thereof

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Publication number Priority date Publication date Assignee Title
CN105802548A (en) * 2016-05-27 2016-07-27 苏州度辰新材料有限公司 White packaging film for double-glazed photovoltaic module and preparation method thereof
CN107681015A (en) * 2017-11-07 2018-02-09 苏州中来光伏新材股份有限公司 The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes
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CN105802548A (en) * 2016-05-27 2016-07-27 苏州度辰新材料有限公司 White packaging film for double-glazed photovoltaic module and preparation method thereof
WO2018121656A1 (en) * 2016-12-30 2018-07-05 广州鹿山新材料股份有限公司 White polyolefin packaging film and preparation method therefor
CN107681015A (en) * 2017-11-07 2018-02-09 苏州中来光伏新材股份有限公司 The preparation method of PVB glued membranes and the solar double-glass assemblies encapsulated with the PVB glued membranes

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112321888A (en) * 2020-11-18 2021-02-05 江苏极易新材料有限公司 Inorganic reinforced powder filler capable of improving resin yellowing
CN114316814A (en) * 2021-12-29 2022-04-12 苏州赛伍应用技术股份有限公司 Packaging adhesive film with color gradient effect and preparation method thereof
CN114316814B (en) * 2021-12-29 2023-09-19 苏州赛伍应用技术股份有限公司 Packaging adhesive film with color gradual change effect and preparation method thereof

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