CN105885709A - Ultrahigh cut-off EVA packaging adhesive film - Google Patents

Ultrahigh cut-off EVA packaging adhesive film Download PDF

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Publication number
CN105885709A
CN105885709A CN201610325450.7A CN201610325450A CN105885709A CN 105885709 A CN105885709 A CN 105885709A CN 201610325450 A CN201610325450 A CN 201610325450A CN 105885709 A CN105885709 A CN 105885709A
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CN
China
Prior art keywords
adhesive film
cut
packaging adhesive
butyl
superelevation
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201610325450.7A
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Chinese (zh)
Inventor
张好宾
吕松
何胡送
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHANGZHOU SIWEIKE PHOTOVOLTAIC NEW MATERIAL Co Ltd
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CHANGZHOU SIWEIKE PHOTOVOLTAIC NEW MATERIAL 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.)
Filing date
Publication date
Application filed by CHANGZHOU SIWEIKE PHOTOVOLTAIC NEW MATERIAL Co Ltd filed Critical CHANGZHOU SIWEIKE PHOTOVOLTAIC NEW MATERIAL Co Ltd
Priority to CN201610325450.7A priority Critical patent/CN105885709A/en
Publication of CN105885709A publication Critical patent/CN105885709A/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
    • 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
    • C08K5/00—Use of organic ingredients
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/13—Phenols; Phenolates
    • C08K5/132—Phenols containing keto groups, e.g. benzophenones
    • 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
    • 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
    • C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04—Homopolymers or copolymers of ethene
    • C09J123/08—Copolymers of ethene
    • C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853—Vinylacetate
    • 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
    • C09J131/00—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 an acyloxy radical of a saturated carboxylic acid, of carbonic acid, or of a haloformic acid; Adhesives based on derivatives of such polymers
    • C09J131/02—Homopolymers or copolymers of esters of monocarboxylic acids
    • C09J131/04—Homopolymers or copolymers of vinyl acetate
    • 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
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • 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
    • 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
    • C09J2423/00—Presence of polyolefin
    • 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
    • C09J2431/00—Presence of polyvinyl acetate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the technical field of packaging adhesive films, in particular to an ultrahigh cut-off EVA packaging adhesive film. The ultrahigh cut-off EVA packaging adhesive film is prepared from the following raw materials in percentage by mass: 94.8%-97.02% of ethylene-vinyl acetate copolymer resin, 0.1%-0.5% of a rare-earth organic light conversion agent, 0.3%-3% of an antioxidant, 0.6%-0.9% of an ultraviolet light absorber, 0.45%-0.2% of a cross-linking agent and 0.18%-1.5% of a silane coupling agent. The transparency and the ultraviolet aging resistance of the EVA adhesive film prepared by a manufacturing method are greatly improved, so that the ultraviolet aging resistance of the adhesive film is improved; the service lifetime of a solar cell assembly is prolonged; and the ultrahigh cut-off EVA packaging adhesive film plays a good protecting role for a backing material of the assembly.

Description

Superelevation cut-off EVA packaging adhesive film
Technical field
The present invention relates to packaging adhesive film technical field, especially a kind of superelevation cut-off EVA packaging adhesive film.
Background technology
A kind of sticking glued membrane of thermosetting of cell package glued membrane (EVA), is used for being placed in the middle of doubling glass (abbreviation that EVA is Ethylene ethylene Vinyl vinyl Acetate acetate).The superiority having at aspects such as adhesion strength, durability, optical characteristics due to EVA adhesive film so that it is increasingly widely used in current components and various optical articles.
EVA packaging adhesive film ultraviolet aging resistance of the prior art and yellowing resistance are poor.
Summary of the invention
The technical problem to be solved is: overcome deficiency of the prior art, it is provided that a kind of ultraviolet aging resistance and yellowing resistance strong superelevation cut-off EVA packaging adhesive film.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of superelevation cut-off EVA packaging adhesive film, its mass percentage content is as follows: ethylene-vinyl acetate copolymer resin content is 94.8%～97.02%, rare earth organic light conversion agents content is 0.1%～0.5%, antioxidant content is 0.3%～3%, ultra-violet absorption agent content is 0.6%～0.9%, content of crosslinking agent is 0.45%～2%, and silane coupled agent content is 0.18%～1.5%.
Further, in described ethylene-vinyl acetate copolymer resin, the molar content of vinyl acetate is 20%～50%, and the melt flow rate (MFR) of described ethylene-vinyl acetate copolymer resin is 10g/10min～40g/10min.
Further, described rare earth organic light conversion agents is Eu3+-salicylic acid-Phen ternary complex.
Further, described antioxidant includes primary antioxidant and auxiliary anti-oxidant, and wherein, described main antioxygen base is β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid octadecanol ester；Described auxiliary anti-oxidant is three (4-nonyl phenol) phosphite esters and/or tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester；Described primary antioxidant is 1:1 with the mol ratio of auxiliary anti-oxidant.
Further, described auxiliary anti-oxidant selects three (4-nonyl phenol) phosphite esters and the compound of tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
Further, described Octabenzone and 2-hydroxyl-4-dodecyloxy benzophenones press 1:1 compound.
Further, described ultraviolet absorber selects Octabenzone and the compound of 2-hydroxyl-4-dodecyloxy benzophenones.
Further, described cross-linking agent includes crosslinking and curing agent and assistant crosslinking agent, wherein, described crosslinking and curing agent includes organic peroxide and/or azo-compound, described organic peroxide include for dicumyl peroxide, di-tert-butyl peroxide, di-isopropylbenzene hydroperoxide, 2,5-dimethyl-2,5 di-t-butyl hexane peroxides, 4,4-bis-(t-amyl peroxy) valeric acid n-butyl, the peroxidating 2-ethylhexyl carbonate tert-butyl ester, 3, one or more in 3-bis-(t-butyl peroxy) ethyl n-butyrate.；Described assistant crosslinking agent includes one or more mixing in Triallyl isocyanurate, triallyl cyanurate, trimethylol-propane trimethacrylate, diethyleneglycol dimethacrylate.
Further, described crosslinking and curing agent selects the peroxidating 2-ethylhexyl carbonate tert-butyl ester and 3, and 3-bis-(t-butyl peroxy) ethyl n-butyrate. is pressed 1:1 and compounded；Assistant crosslinking agent is selected Triallyl isocyanurate, triallyl cyanurate and trimethylol-propane trimethacrylate to press 1:1:1 and is compounded.
Further, at least one during described silane coupler is VTES, vinyltrimethoxy silane, vinyl three tert-butyl peroxide silane, vinyltriacetoxy silane, vinyl three ('beta '-methoxy ethyoxyl) silane.
Technical scheme is used to provide the benefit that:
1, novel rare earth organic light conversion agents and antioxidant are selected, it is possible to all being ended by the ultraviolet of 380～below 390nm, and the light transmittance between 400～1100nm can reach more than 90%, anti-ultraviolet ageing performance is significantly improved；
2, use the compounding use of multiple ultraviolet absorber, effectively raise uv absorption efficiency, reduce the consumption of ultraviolet absorber so that ultraviolet aging resistance and the anti-yellowing property of glued membrane are improved；
The transparency and the anti-ultraviolet ageing performance of the EVA adhesive film that the manufacture method that the design provides prepares are greatly improved; thus improve the anti-ultraviolet ageing performance of glued membrane; improve the service life of solar module, the backing of assembly is played a very good protection.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
A kind of superelevation cut-off EVA packaging adhesive film, its mass percentage content is as follows: ethylene-vinyl acetate copolymer resin content is 94.8%～97.02%, rare earth organic light conversion agents content is 0.1%～0.5%, antioxidant content is 0.3%～3%, ultra-violet absorption agent content is 0.6%～0.9%, content of crosslinking agent is 0.45%～2%, and silane coupled agent content is 0.18%～1.5%.
In ethylene-vinyl acetate copolymer resin, the molar content of vinyl acetate is 20%～50%, and the melt flow rate (MFR) of ethylene-vinyl acetate copolymer resin is 10g/10min～40g/10min.
Rare earth organic light conversion agents is Eu3+-salicylic acid-Phen ternary complex.
Antioxidant includes primary antioxidant and auxiliary anti-oxidant, and wherein, main antioxygen base is β-(3,5-di-tert-butyl-hydroxy phenyl) propanoic acid octadecanol ester；Auxiliary anti-oxidant is three (4-nonyl phenol) phosphite esters and/or tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester；Primary antioxidant is 1:1 with the mol ratio of auxiliary anti-oxidant.
Auxiliary anti-oxidant selects three (4-nonyl phenol) phosphite esters and the compound of tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester.
Octabenzone and 2-hydroxyl-4-dodecyloxy benzophenones are pressed 1:1 and are compounded.
Ultraviolet absorber selects Octabenzone and the compound of 2-hydroxyl-4-dodecyloxy benzophenones.
Cross-linking agent includes crosslinking and curing agent and assistant crosslinking agent, wherein, described crosslinking and curing agent includes organic peroxide and/or azo-compound, described organic peroxide include for dicumyl peroxide, di-tert-butyl peroxide, di-isopropylbenzene hydroperoxide, 2,5-dimethyl-2,5 di-t-butyl hexane peroxides, 4,4-bis-(t-amyl peroxy) valeric acid n-butyl, the peroxidating 2-ethylhexyl carbonate tert-butyl ester, 3, one or more in 3-bis-(t-butyl peroxy) ethyl n-butyrate.；Described assistant crosslinking agent includes one or more mixing in Triallyl isocyanurate, triallyl cyanurate, trimethylol-propane trimethacrylate, diethyleneglycol dimethacrylate.
Crosslinking and curing agent is selected the peroxidating 2-ethylhexyl carbonate tert-butyl ester and 3,3-bis-(t-butyl peroxy) ethyl n-butyrate. to press 1:1 and is compounded；Assistant crosslinking agent is selected Triallyl isocyanurate, triallyl cyanurate and trimethylol-propane trimethacrylate to press 1:1:1 and is compounded.
Silane coupler is at least one in VTES, vinyltrimethoxy silane, vinyl three tert-butyl peroxide silane, vinyltriacetoxy silane, vinyl three ('beta '-methoxy ethyoxyl) silane.
The mass percentage content composition of embodiment 1-embodiment 4 is shown in Table 1.
Table 1
Embodiment 3 is preferred implementation.
Although technical scheme is described in detail by above-described embodiment, but technical scheme is not limited to above example, in the case of without departing from the thought of the present invention and objective, any change being done technical scheme falls within claims of the present invention limited range.

Claims (10)

1. a superelevation cut-off EVA packaging adhesive film, it is characterised in that its mass percentage content is as follows: second Alkene-vinyl acetate copolymer resin content is 94.8%～97.02%, rare earth organic light conversion agents content be 0.1%～ 0.5%, antioxidant content is 0.3%～3%, and ultra-violet absorption agent content is 0.6%～0.9%, content of crosslinking agent Being 0.45%～2%, silane coupled agent content is 0.18%～1.5%.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described ethylene In-vinyl acetate copolymer resin, the molar content of vinyl acetate is 20%～50%, described ethene-vinyl acetate The melt flow rate (MFR) of copolymer resin is 10g/10min～40g/10min.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described rare earth Organic light conversion agents is Eu3+-salicylic acid-Phen ternary complex.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described antioxygen Agent includes primary antioxidant and auxiliary anti-oxidant, and wherein, described main antioxygen base is β-(3,5-di-t-butyl-4-hydroxyls Phenyl) propanoic acid octadecanol ester；Described auxiliary anti-oxidant is three (4-nonyl phenol) phosphite ester and/or tricresyl phosphites (2,4-di-tert-butyl-phenyl) ester；Described primary antioxidant is 1:1 with the mol ratio of auxiliary anti-oxidant.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described auxiliary anti- Three (4-nonyl phenol) phosphite esters and the compound of tricresyl phosphite (2,4-di-tert-butyl-phenyl) ester are selected in oxygen agent.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described 2- Hydroxyl-4-oxy-octyl benzophenone and 2-hydroxyl-4-dodecyloxy benzophenones are pressed 1:1 and are compounded.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described ultraviolet Absorbent selects answering of Octabenzone and 2-hydroxyl-4-dodecyloxy benzophenones Join thing.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described crosslinking Agent includes crosslinking and curing agent and assistant crosslinking agent, wherein, described crosslinking and curing agent include organic peroxide and/or Azo-compound, described organic peroxide includes for dicumyl peroxide, di-tert-butyl peroxide, mistake Hydrogen oxide diisopropylbenzene (DIPB), 2,5-dimethyl-2,5 di-t-butyl hexane peroxide, 4,4-bis-(t-amyl peroxy) Valeric acid n-butyl, the peroxidating 2-ethylhexyl carbonate tert-butyl ester, 3,3-bis-(t-butyl peroxy) butanoic acid second One or more in ester；Described assistant crosslinking agent includes Triallyl isocyanurate, cyanuric acid three allyl One or more in ester, trimethylol-propane trimethacrylate, diethyleneglycol dimethacrylate Mixing.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described crosslinking Firming agent selects the peroxidating 2-ethylhexyl carbonate tert-butyl ester and 3,3-bis-(t-butyl peroxy) ethyl n-butyrate. to press 1:1 compounds；Assistant crosslinking agent selects Triallyl isocyanurate, triallyl cyanurate and trihydroxy methyl third Alkane trimethyl acrylic ester is pressed 1:1:1 and is compounded.
Superelevation the most according to claim 1 cut-off EVA packaging adhesive film, it is characterised in that: described silicon Alkane coupling agent is VTES, vinyltrimethoxy silane, the tertiary fourth of vinyl three peroxidating In base silane, vinyltriacetoxy silane, vinyl three ('beta '-methoxy ethyoxyl) silane at least A kind of.
CN201610325450.7A 2016-05-16 2016-05-16 Ultrahigh cut-off EVA packaging adhesive film Pending CN105885709A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109880444A (en) * 2019-01-31 2019-06-14 湖南诺诚光伏科技有限公司 A kind of preparation method of EVA packaging adhesive film surface covering
CN111635706A (en) * 2020-06-12 2020-09-08 常州斯威克光伏新材料有限公司 PID (potential induced degradation) resistant packaging adhesive film for double-sided PREC (pre-positive electrode contact) battery and preparation method thereof
CN113930169A (en) * 2021-11-01 2022-01-14 南京工程学院 Heat-resistant EVA (ethylene vinyl acetate) adhesive film and preparation method thereof
CN114806422A (en) * 2022-03-31 2022-07-29 苏州中来光伏新材股份有限公司 UV cut-off EPE photovoltaic adhesive film, preparation method thereof and photovoltaic module
CN114854331A (en) * 2022-03-31 2022-08-05 苏州中来光伏新材股份有限公司 Ultraviolet cut-off type EVA photovoltaic adhesive film, preparation method thereof and photovoltaic module

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610881A (en) * 2015-02-10 2015-05-13 赵世界 Photovoltaic ultrahigh-cutoff EVA (ethylene-vinyl acetate) packaging adhesive film and preparation technique thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104610881A (en) * 2015-02-10 2015-05-13 赵世界 Photovoltaic ultrahigh-cutoff EVA (ethylene-vinyl acetate) packaging adhesive film and preparation technique thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109880444A (en) * 2019-01-31 2019-06-14 湖南诺诚光伏科技有限公司 A kind of preparation method of EVA packaging adhesive film surface covering
CN109880444B (en) * 2019-01-31 2021-05-04 湖南诺诚光伏科技有限公司 Preparation method of EVA packaging adhesive film surface coating
CN111635706A (en) * 2020-06-12 2020-09-08 常州斯威克光伏新材料有限公司 PID (potential induced degradation) resistant packaging adhesive film for double-sided PREC (pre-positive electrode contact) battery and preparation method thereof
CN113930169A (en) * 2021-11-01 2022-01-14 南京工程学院 Heat-resistant EVA (ethylene vinyl acetate) adhesive film and preparation method thereof
CN114806422A (en) * 2022-03-31 2022-07-29 苏州中来光伏新材股份有限公司 UV cut-off EPE photovoltaic adhesive film, preparation method thereof and photovoltaic module
CN114854331A (en) * 2022-03-31 2022-08-05 苏州中来光伏新材股份有限公司 Ultraviolet cut-off type EVA photovoltaic adhesive film, preparation method thereof and photovoltaic module
CN114854331B (en) * 2022-03-31 2023-10-31 江苏中来新材科技有限公司 Ultraviolet cut-off type EVA photovoltaic adhesive film, preparation method thereof and photovoltaic module

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Application publication date: 20160824