CN108841344B - High-adhesion weather-resistant base coating and application thereof - Google Patents
High-adhesion weather-resistant base coating and application thereof Download PDFInfo
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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
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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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
- 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
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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
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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Abstract
The invention discloses a high-adhesion weather-resistant base coat, which consists of a component A and a component B, wherein the component A comprises 20-150 parts by mass of epoxy resin, 15-200 parts by mass of acrylic resin, 5-120 parts by mass of saturated polyester resin, 0.1-10 parts by mass of modified acrylic resin, 0-40 parts by mass of filler and 0.2-15 parts by mass of auxiliary agent; the component B is a mixture consisting of one or more of isocyanate, amino resin and amine, and when the component A and the component B are used, the component A and the component B are mixed according to different proportions as required. The base coating provided by the invention can be applied to photovoltaic back plates, photovoltaic isolating strips or integrated materials of back plates and packaging adhesive films, and has stable high adhesion, excellent heat resistance and long-term weather resistance.
Description
Technical Field
The invention belongs to the field of coatings, and particularly relates to a high-adhesion weather-resistant base coating and application thereof.
Background
The paint is used as a protective layer of a base material, and can greatly isolate and shield the damage of an outer layer medium to the base material due to the characteristics of water resistance, oil resistance, humidity resistance, weather resistance and the like.
At present, the resin for paint is mainly acrylic resin, epoxy resin, polyurethane, etc. Among them, the excellent weatherability and aging resistance of acrylic resins, the high adhesion of epoxy resins, and the high mechanical abrasion resistance and toughness of polyurethanes are different advantages for their application in coatings. However, the above coating materials have problems that when materials such as a polyolefin film are bonded to materials such as polybutylene terephthalate, the bonding stability is poor, the long-term weather resistance is poor, or a desired coating layer is thick.
Currently, CN106810999A discloses a two-component quick-drying epoxy resin coating, and CN107548403A discloses a method for preparing a thermoplastic resin composition adhesive coating, but these techniques still cannot achieve high and stable adhesion and long-term weather resistance.
It is therefore desirable to formulate a rapidly curable basecoat that exhibits stable, high adhesion, long-term weatherability characteristics while reducing the thickness of the coating.
Disclosure of Invention
The invention aims to provide a high-adhesion weather-resistant primer coating and application aiming at the defects of the prior art. The invention can be quickly cured within 0.5-2min to obtain a 0.1-5 mu m thick primer coating and has the performance characteristics of stable high cohesiveness, long-term weather resistance and high adhesive force. According to the performance characteristics of the base coating, the base coating can be applied to photovoltaic back plates, photovoltaic insulating strips or integrated materials of back plates and packaging adhesive films, and can be bonded with packaging materials to play a role in protecting photovoltaic modules by utilizing the performance characteristics of high bonding property and long-term weather resistance of the base coating, so that the service life of the photovoltaic modules is prolonged. The method has the advantages of simple operation, cheap and easily-obtained raw materials and greatly improved coating efficiency.
In order to achieve the purpose, the invention is realized by the following technical scheme: a high-adhesion weather-resistant base coat with a thickness of 0.1-5 μm comprises two components A and B; the component A consists of the following components:
the component B is formed by mixing one or more of isocyanate, amino resin and amine according to any proportion.
When in use, the component A and the component B are mixed according to the mass ratio of 3-20:1, are completely dissolved by a solvent, and are uniformly coated on the surface of a base material, the curing temperature is 80-190 ℃, and the curing time is 0.5-2.0 min.
Further, the epoxy resin is formed by mixing one or more of bisphenol A type epoxy resin, glycerol epoxy resin, polyphenol type glycidyl ether epoxy resin, aliphatic glycidyl ether epoxy resin, glycidyl ester type epoxy resin, glycidyl amine type epoxy resin, epoxidized olefin compound, heterocyclic type and mixed type epoxy resin and amino epoxy resin according to any proportion.
Furthermore, the molecular weight of the acrylic resin is 5000-30000, the glass transition temperature is less than 50 ℃, and the hydroxyl value is 10-75mg KOH/g.
Furthermore, the molecular weight of the saturated polyester resin is 5000-50000, the glass transition temperature is less than 40 ℃, and the hydroxyl value is 5-35mg KOH/g.
Furthermore, the modified acrylic resin is fluororesin modified acrylic resin, polyester resin modified acrylic resin or epoxy resin modified acrylic resin, the molecular weight is 10000-50000, the acid value is 2-25mg KOH/g, and the hydroxyl value is 0.1-10mg KOH/g.
Furthermore, the filler is formed by mixing one or more of silicon dioxide, titanium dioxide, kaolin, glass powder, barium sulfate, talcum powder and precipitated calcium carbonate with the particle size of 0.5-3.0 mu m according to any proportion.
Further, the solvent may be an ester solvent, a ketone solvent, or an aromatic hydrocarbon solvent, wherein the ester solvent includes butyl acetate, ethyl acetate, isopropyl acetate, etc., the ketone solvent includes butanone, acetone, etc., and the aromatic hydrocarbon solvent includes toluene, xylene, etc.
The invention also provides the use of the high-adhesion weather-resistant base coating as claimed in claim 1, which specifically comprises the following steps: and coating the high-adhesion weather-resistant base coat on the surface of the substrate, and adhering the base coat with the polyolefin film, the polyethylene vinyl acetate film and the polyamide film to prepare the photovoltaic back plate for the crystalline silicon assembly, the photovoltaic isolating strip and the back plate and packaging film integrated material. 9. Use according to claim 8, characterized in that the substrate is selected from polyethylene terephthalate films, polybutylene terephthalate films.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, specific resin is selected preferably, the primer coating with the thickness of 0.1-5 μm can be obtained by rapid curing within 0.5-2min, and the primer coating has the performance characteristics of stable high cohesiveness, long-term weather resistance and high adhesive force, is simple to operate, is cheap and easy to obtain raw materials, and can greatly improve the coating efficiency.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the 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 embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a high-adhesion weather-resistant base coating method, which can be used for quickly curing within 0.5-2min to obtain a 0.1-5 mu m thin coating which still has the performance characteristics of high adhesion, long-term weather resistance and high adhesion. The following are detailed below.
Example 1
And (2) component A:
the auxiliary 1 comprises 1.0 mass part of coupling agent KBM903 (Nippon Truese), 2.1 mass parts of 655W (Germany diko) dispersant, 2.5 mass parts of 770# light stabilizer (Pasteur), and 0.1 mass part of dibutyltin dilaurate.
And (B) component:
19 parts by mass of a curing agent Z4470 (Germany Bayer)
Adding 20 parts by mass of E-44 type epoxy resin, 50 parts by mass of acrylic resin, 20 parts by mass of saturated polyester resin, 18 parts by mass of titanium dioxide R960 (DuPont, USA), 1.0 part by mass of coupling agent KBM903 and 2.1 parts by mass of 655W type dispersing agent (Germany Digao) into a container with a stirring device, setting 1500R/min for high-speed dispersion for 25min, sequentially adding 10 parts by mass of modified acrylic resin, 2.5 parts by mass of 770 type light stabilizer (Pasteur) and 0.1 part by mass of dibutyltin dilaurate, and stirring at a low speed for 10min to obtain the component A.
After the component A and the component B were stirred and mixed with 150 parts by mass of methyl ethyl ketone, the coating was applied to PET having a thickness of 250 μm by a doctor blade method and dried by hot air at 120 ℃ for 1.5min to obtain a coating having a thickness of 4 μm, and the film properties are shown in Table 1.
Example 2
And (2) component A:
wherein the auxiliary agent 2 comprises 1.0 mass part of a coupling agent KH560, 2.5 mass parts of a BYK-9010 type dispersing agent, 0.1 mass part of dibutyltin dilaurate and 0.2 mass part of triethylamine.
And (B) component:
curing agent 3370 (Germany Bayer) 12 parts by mass
15 parts by mass of curing agent m-phenylenediamine (Shanghai Taihe)
150 parts by mass of D.E.R 332 epoxy resin (Dow chemical), 15 parts by mass of acrylic resin, 120 parts by mass of saturated polyester resin, 40 parts by mass of silicon dioxide, 1.0 part by mass of a coupling agent KH560, 2.5 parts by mass of a BYK-9010 type dispersant and 0.2 part by mass of triethylamine are added into a container with a stirring device, the mixture is dispersed at a high speed of 1500r/min for 25min, then 2.5 parts by mass of modified acrylic resin and 0.1 part by mass of dibutyltin dilaurate are sequentially added, and the mixture is stirred at a low speed for 10min to obtain a component A.
After the component A and the component B were stirred and mixed with 200 parts by mass of xylene, the coating was coated on PET having a thickness of 250 μm by a doctor blade method and dried by hot air at 150 ℃ for 2min to obtain a coating having a thickness of 5 μm, and the film properties are shown in Table 1.
Embodiment 3
And (2) component A:
wherein the auxiliary 3 comprises 1.5 parts by mass of 735W type dispersant (Germany Digao), 0.5 part by mass of T2400 light stabilizer (double bond chemistry), 0.2 part by mass of hydrolysis stabilizer 1 (Germany Rhine chemistry), 0.2 part by mass of stannous octoate and 0.2 part by mass of DMP-30.
And (B) component:
curing agent 7982 (Germany Bayer) 10 parts by mass
Curing agent TMD (German Degussa) 3.3 parts by mass
30 parts by mass of D.E.R.671-X75 type epoxy resin (Dow chemical) is added into a container with a stirring device, dissolved by 500 parts by mass of butyl acetate, added with 3.3 parts by mass of curing agent TMD (Germany Degussa), 0.2 parts by mass of DMP-30, stirred at low speed for 3h, added with 50 parts by mass of acrylic resin, 15 parts by mass of saturated polyester resin, 20 parts by mass of barium sulfate, 1.5 parts by mass of 735W type dispersing agent (Germany Degao), dispersed at high speed for 25min at 1500r/min, and then added with 0.5 parts by mass of T2400 light stabilizer (double bond chemical), 0.2 parts by mass of hydrolysis stabilizer 1 type (Germany Leizun chemical), 0.1 parts by mass of modified acrylic resin, 0.2 parts by mass of stannous octoate, 10 parts by mass of curing agent 7982 (Germany), and stirred at low speed for 10 min.
The coating is taken, coated on PET with the thickness of 250 mu m by using a doctor blade method, and dried by hot air at 120 ℃ for 1.2min to obtain a coating with the thickness of 2 mu m, and the film coating performance is shown in Table 1.
Example 4
And (2) component A:
wherein the auxiliary agent 4 comprises 2.5 parts by mass of A172 (American Union carbon), 2.5 parts by mass of BYK-W965 type dispersant, 0.2 part by mass of amine absorbent B2855 (double bond chemistry), 0.2 part by mass of dioctyltin dilaurate, and 0.1 part by mass of 2E4MZ-CN (Aladdin).
And (B) component:
curing agent N3390 (Germany Bayer) 17 parts by mass
6 parts by mass of curing agent PACM 20 (American gas chemistry)
60 parts by mass of E-42R type epoxy resin (Jiangsu Sanmu) is added into a container with a stirring device, 210 parts by mass of toluene is used for dissolving, 6 parts by mass of PACM 20 (American gas chemistry) is added, 0.1 part by mass of 2E4MZ-CN (Aladdin) is added, the stirring is carried out for 2 hours at a low speed, 200 parts by mass of acrylic resin is added, 5 parts by mass of saturated polyester resin, 15 parts by mass of titanium dioxide R960 (American DuPont), 5 parts by mass of silicon dioxide, 2.5 parts by mass of A172 (American Union carbon), 2.5 parts by mass of BYK-W965 type dispersing agent is added, the high-speed dispersion is set to be 1500R/min for 25 minutes, and then 0.2 parts by mass of amine absorbent B2855 (double bond chemistry), 0.1 part by mass of modified acrylic resin, 0.2 part by mass of dibutyltin dilaurate, 17 parts by mass of N3390 (Bayer) is added in sequence, and the stirring is carried out for 10 minutes.
The coating is taken, coated on PET with the thickness of 250 mu m by using a doctor blade method, and dried for 1min by hot air at 160 ℃ to obtain a coating with the thickness of 3 mu m, and the film coating performance is shown in Table 1.
Example 5
And (2) component A:
wherein the auxiliary agent 5 comprises 0.05 part by mass of KH550, 0.05 part by mass of OROTAN 1618 type (Dow chemical) dispersing agent, 0.05 part by mass of an ultraviolet auxiliary agent TINUVIN 320 (Pasv, Germany), 0.04 part by mass of dibutyltin dilaurate and 0.01 part by mass of DMP-30.
And (B) component:
curing agent TPA 100 (Asahi Kasei Co., Ltd. in Japan) 16 parts by mass
Curing agent CYMEL303 amino resin (cyanide) 4 parts by mass
In a container with a stirring device, 35 parts by mass of EPlKOTE-862 type epoxy resin (shell) was added, and dissolved in 200 parts by mass of xylene, 4 parts by mass of CYMEL303 amino resin (U.S. Cyanote), 0.01 part by mass of DMP-30, and stirred at a low speed for 3 hours, and then 45 parts by mass of acrylic resin, 20 parts by mass of saturated polyester resin, 15 parts by mass of titanium dioxide R960 (U.S. DuPont), 0.05 parts by mass of KH550, 0.05 parts by mass of OROTAN 1618 type (Dow chemical) dispersant, and set at 1500R/min for high speed dispersion for 25 minutes, and then 0.05 parts by mass of TINUVIN 320 (Pasv, Germany), 0.8 parts by mass of modified acrylic resin, 0.04 parts by mass of dibutyltin dilaurate, 16 parts by mass of TPA 100 (Asahi chemical), and stirred at a low speed for 10 minutes.
The coating is taken, coated on PET with the thickness of 250 mu m by using a doctor blade method, and dried by hot air at 175 ℃ for 1.5min to obtain a coating with the thickness of 1.5 mu m, and the film coating performance is shown in Table 1.
Example 6
And (2) component A:
wherein the auxiliary agent 5 comprises 8 mass parts of coupling agent KBM903 (Japan shinyleigh), 6.5 mass parts of BYK-2050 type dispersant, 0.35 mass part of BYK-420 thixotropic agent and 0.15 mass part of dioctyltin dilaurate.
And (B) component:
curing agent N3390 (Germany Bayer) 5.025 parts by mass
Curing agent HM2608 amino resin (Enlishi) 1.5 parts by mass
15 parts by mass of SM638 type epoxy resin (Jiangsu Sanmu) was charged into a vessel equipped with a stirrer, and was dissolved in 460 parts by mass of methyl ethyl ketone, 1.5 parts by mass of HM2608 amino resin (England Ellison), and stirred at a low speed for 3 hours, and then 65 parts by mass of acrylic resin, 35 parts by mass of saturated polyester resin, 8 parts by mass of KBM903 (Japan shin), 6.5 parts by mass of BYK-2050 type dispersant, and dispersed at a high speed of 1500r/min for 25 minutes, and further 0.5 parts by mass of modified acrylic resin, 0.35 parts by mass of BYK-420 thixotropic agent, 0.15 parts by mass of dioctyltin dilaurate, and 5.025 parts by mass of N3390 as a curing agent (Germany Bayer) were sequentially charged, and stirred at a low speed for 10 minutes.
The above coating was applied to PET having a thickness of 250 μm by a doctor blade method and dried with hot air at 170 ℃ for 45 seconds to give a coating having a thickness of 0.5 μm, and the film properties are shown in Table 1.
Comparative example 1
Conventional CPC coated backsheets are commercially available with an inner coating thickness of 5 μm.
Table 1 shows the results of the coating properties of examples 1 to 6 and comparative example 1.
O: indicates the appearance OK and meets the requirements
And (3) testing the adhesion of the coating: refer to GB/T9286-1998 standard
Adhesion strength test with encapsulating material: reference GB/T31034-
And (3) testing yellowing of the coating: reference to CNCA/CTS0014-2013 Standard
From the results of the above table, the high-adhesion weather-resistant base coating provided by the invention still has stable high adhesion performance under the condition of rapid curing of the obtained thin coating, and the heat aging is 48h and the damp-heat aging is 2000h, which shows that the high-adhesion weather-resistant base coating provided by the invention has the performance characteristics of stable high adhesion, long-term weather resistance and high adhesion, and completely has the application in the field of photovoltaic back panels or photovoltaic isolating strips.
Claims (9)
1. The high-adhesion weather-resistant base coating is characterized in that the thickness is 0.1-5 mu m, and the high-adhesion weather-resistant base coating consists of two components A and B; the component A consists of the following components:
the component B is formed by mixing one or more of isocyanate, amino resin and amine according to any proportion;
when in use, the component A and the component B are mixed according to the mass ratio of 3-20:1, are completely dissolved by a solvent, and are uniformly coated on the surface of a base material, the curing temperature is 80-190 ℃, and the curing time is 0.5-2.0 min;
the modified acrylic resin is fluororesin modified acrylic resin, polyester resin modified acrylic resin or epoxy resin modified acrylic resin.
2. The primer coating according to claim 1, wherein the epoxy resin is selected from the group consisting of bisphenol A epoxy resin, glycerol epoxy resin, polyphenol glycidyl ether epoxy resin, aliphatic glycidyl ether epoxy resin, glycidyl ester epoxy resin, glycidyl amine epoxy resin, epoxidized olefin compound, heterocyclic and mixed epoxy resin, and amino epoxy resin.
3. The primer coating with high adhesion and weather resistance as recited in claim 1, wherein the acrylic resin has a molecular weight of 5000-30000, a glass transition temperature of < 50 ℃, and a hydroxyl value of 10-75mg KOH/g.
4. The primer coating with high adhesion and weather resistance as recited in claim 1, wherein the saturated polyester resin has a molecular weight of 5000-50000, a glass transition temperature of < 40 ℃, and a hydroxyl value of 5-35mg KOH/g.
5. The primer coating with high adhesion and weather resistance as recited in claim 1, wherein the modified acrylic resin has a molecular weight of 10000-50000, an acid value of 2-25mg KOH/g, and a hydroxyl value of 0.1-10mg KOH/g.
6. The high-adhesion weather-resistant base coating as claimed in claim 1, wherein the filler is formed by mixing one or more of silicon dioxide, titanium dioxide, kaolin, glass powder, barium sulfate, talcum powder and precipitated calcium carbonate with the particle size of 0.5-3.0 μm according to any proportion.
7. The primer coating according to claim 1, wherein the solvent is selected from the group consisting of ester solvents, ketone solvents, and aromatic hydrocarbon solvents, wherein the ester solvents comprise butyl acetate, ethyl acetate, and isopropyl acetate, the ketone solvents comprise butanone and acetone, and the aromatic hydrocarbon solvents comprise toluene and xylene.
8. Use of a highly adherent weather resistant primer coating according to claim 1, in particular: and coating the high-adhesion weather-resistant base coat on the surface of the substrate, and adhering the base coat with the polyolefin film, the polyethylene vinyl acetate film and the polyamide film to prepare the photovoltaic back plate for the crystalline silicon assembly, the photovoltaic isolating strip and the back plate and packaging film integrated material.
9. Use according to claim 8, characterized in that the substrate is selected from polyethylene terephthalate films, polybutylene terephthalate films.
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| CN110437782A (en) * | 2019-08-18 | 2019-11-12 | 上海回天新材料有限公司 | A kind of epoxyn and preparation method for aluminum honeycomb structure cold-press process bonding |
| CN113249045A (en) * | 2021-04-21 | 2021-08-13 | 东莞市清鸿新材料科技有限公司 | Double-sided adhesive tape with three-prevention and high viscosity and preparation method thereof |
| CN114854284A (en) * | 2022-05-30 | 2022-08-05 | 浙江晶科能源有限公司 | Coating, preparation method thereof and photovoltaic module |
| CN115260870A (en) * | 2022-08-09 | 2022-11-01 | 无锡极电光能科技有限公司 | Packaging coating and preparation method thereof, flexible perovskite battery packaging structure and packaging method |
| CN116144227A (en) * | 2022-12-29 | 2023-05-23 | 苏州赛伍应用技术股份有限公司 | Non-fluorine weather-proof paint and application thereof |
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| CN104371508B (en) * | 2014-11-03 | 2016-09-28 | 苏州福斯特新材料有限公司 | A kind of weathering resistance coatings combined films |
| CN107353859B (en) * | 2017-07-11 | 2020-12-29 | 杭州福斯特应用材料股份有限公司 | Insulating adhesive material for composite photovoltaic back plate and application |
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