WO2015068691A1 - Adhesive film, solar-cell sealing material, solar-cell module, laminated-glass interlayer, and laminated glass - Google Patents
Adhesive film, solar-cell sealing material, solar-cell module, laminated-glass interlayer, and laminated glass Download PDFInfo
- Publication number
- WO2015068691A1 WO2015068691A1 PCT/JP2014/079228 JP2014079228W WO2015068691A1 WO 2015068691 A1 WO2015068691 A1 WO 2015068691A1 JP 2014079228 W JP2014079228 W JP 2014079228W WO 2015068691 A1 WO2015068691 A1 WO 2015068691A1
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- WIPO (PCT)
- Prior art keywords
- solar
- sealing material
- adhesive film
- glass
- laminated
- Prior art date
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- 239000003566 sealing material Substances 0.000 title claims abstract description 61
- 239000002313 adhesive film Substances 0.000 title claims abstract description 21
- 239000005340 laminated glass Substances 0.000 title claims description 16
- 239000011229 interlayer Substances 0.000 title claims description 6
- -1 solar-cell module Substances 0.000 title description 10
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 34
- 229920005989 resin Polymers 0.000 claims abstract description 22
- 239000011347 resin Substances 0.000 claims abstract description 22
- 150000007514 bases Chemical class 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims description 15
- 239000004611 light stabiliser Substances 0.000 claims description 13
- 239000003431 cross linking reagent Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 11
- 238000003860 storage Methods 0.000 description 11
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- 238000000034 method Methods 0.000 description 7
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- XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
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- KOMNUTZXSVSERR-UHFFFAOYSA-N 1,3,5-tris(prop-2-enyl)-1,3,5-triazinane-2,4,6-trione Chemical compound C=CCN1C(=O)N(CC=C)C(=O)N(CC=C)C1=O KOMNUTZXSVSERR-UHFFFAOYSA-N 0.000 description 3
- XOKPQFZWKUUZGQ-UHFFFAOYSA-N 2-methyl-1-(2,2,6,6-tetramethylpiperidin-4-yl)prop-2-en-1-one Chemical compound CC(=C)C(=O)C1CC(C)(C)NC(C)(C)C1 XOKPQFZWKUUZGQ-UHFFFAOYSA-N 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
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- RSOILICUEWXSLA-UHFFFAOYSA-N bis(1,2,2,6,6-pentamethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(C)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(C)C(C)(C)C1 RSOILICUEWXSLA-UHFFFAOYSA-N 0.000 description 2
- XITRBUPOXXBIJN-UHFFFAOYSA-N bis(2,2,6,6-tetramethylpiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)NC(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)NC(C)(C)C1 XITRBUPOXXBIJN-UHFFFAOYSA-N 0.000 description 2
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- JXCAHDJDIAQCJO-UHFFFAOYSA-N (1-tert-butylperoxy-2-ethylhexyl) hydrogen carbonate Chemical compound CCCCC(CC)C(OC(O)=O)OOC(C)(C)C JXCAHDJDIAQCJO-UHFFFAOYSA-N 0.000 description 1
- BJELTSYBAHKXRW-UHFFFAOYSA-N 2,4,6-triallyloxy-1,3,5-triazine Chemical compound C=CCOC1=NC(OCC=C)=NC(OCC=C)=N1 BJELTSYBAHKXRW-UHFFFAOYSA-N 0.000 description 1
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- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
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- SWZOQAGVRGQLDV-UHFFFAOYSA-N 4-[2-(4-hydroxy-2,2,6,6-tetramethylpiperidin-1-yl)ethoxy]-4-oxobutanoic acid Chemical compound CC1(C)CC(O)CC(C)(C)N1CCOC(=O)CCC(O)=O SWZOQAGVRGQLDV-UHFFFAOYSA-N 0.000 description 1
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- 229910004612 CdTe—CdS Inorganic materials 0.000 description 1
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- OKKRPWIIYQTPQF-UHFFFAOYSA-N Trimethylolpropane trimethacrylate Chemical compound CC(=C)C(=O)OCC(CC)(COC(=O)C(C)=C)COC(=O)C(C)=C OKKRPWIIYQTPQF-UHFFFAOYSA-N 0.000 description 1
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- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- OSIVCXJNIBEGCL-UHFFFAOYSA-N bis(2,2,6,6-tetramethyl-1-octoxypiperidin-4-yl) decanedioate Chemical compound C1C(C)(C)N(OCCCCCCCC)C(C)(C)CC1OC(=O)CCCCCCCCC(=O)OC1CC(C)(C)N(OCCCCCCCC)C(C)(C)C1 OSIVCXJNIBEGCL-UHFFFAOYSA-N 0.000 description 1
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 150000001990 dicarboxylic acid derivatives Chemical class 0.000 description 1
- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
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- NKHAVTQWNUWKEO-UHFFFAOYSA-N fumaric acid monomethyl ester Natural products COC(=O)C=CC(O)=O NKHAVTQWNUWKEO-UHFFFAOYSA-N 0.000 description 1
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- NKHAVTQWNUWKEO-IHWYPQMZSA-N methyl hydrogen fumarate Chemical compound COC(=O)\C=C/C(O)=O NKHAVTQWNUWKEO-IHWYPQMZSA-N 0.000 description 1
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- 125000005447 octyloxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
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- LFRDHGNFBLIJIY-UHFFFAOYSA-N trimethoxy(prop-2-enyl)silane Chemical compound CO[Si](OC)(OC)CC=C LFRDHGNFBLIJIY-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
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- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
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Classifications
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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
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- B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
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- 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
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- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
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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
- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/322—Applications of adhesives in processes or use of adhesives in the form of films or foils for the production of solar panels
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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- 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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Abstract
Description
本願は、2013年11月5日に日本に出願された特願2013-229665号に基づき優先権を主張し、その内容をここに援用する。 The present invention relates to an adhesive film, a solar cell sealing material, a solar cell module, an interlayer film for laminated glass, and a laminated glass.
This application claims priority based on Japanese Patent Application No. 2013-229665 for which it applied to Japan on November 5, 2013, and uses the content here.
また、接着フィルムからなる合わせガラス用中間膜、及び合わせガラスを提供する。 The present invention relates to an adhesive film, a solar cell encapsulant, and a solar cell module using the solar cell encapsulant that have a good adhesiveness even after long-term storage because the silane coupling agent is not easily altered. I will provide a.
Moreover, the intermediate film for laminated glasses which consists of an adhesive film, and a laminated glass are provided.
本発明の接着フィルムにおいては、前記塩基性化合物が、pKbが5~12の光安定剤であることが好ましい。 The adhesive film of the present invention includes a sealing resin, a silane coupling agent, and a basic compound of pK b of 5 to 12.
In the adhesive film of the present invention, the basic compound is preferably a light stabilizer of pK b is 5-12.
本発明の太陽電池モジュールは、太陽電池セルと、前記太陽電池セルを挟持した一対の、本発明の前記太陽電池用封止材とを備える。
本発明の合わせガラス用中間膜は、前記接着フィルムからなる。
本発明の合わせガラスは、一対のガラス板と、前記一対のガラス板により挟持された前記合わせ前記ガラス用中間膜とからなる。 The sealing material for solar cells of this invention consists of the said adhesive film.
The solar cell module of this invention is equipped with a photovoltaic cell and a pair of said solar cell sealing material of this invention which clamped the said photovoltaic cell.
The interlayer film for laminated glass of the present invention comprises the adhesive film.
The laminated glass of the present invention comprises a pair of glass plates and the interlayer film for laminated glass sandwiched between the pair of glass plates.
本発明の太陽電池モジュールは、接着フィルムの接着性が良好で剥離等の不具合が生じにくい。 The adhesive film of the present invention hardly deteriorates the silane coupling agent and has good adhesiveness even after long-term storage.
In the solar cell module of the present invention, the adhesive film has good adhesiveness and is less likely to cause problems such as peeling.
本発明の接着フィルムは、封止用樹脂と、シランカップリング剤と、pKbが5~12の塩基性化合物(以下、塩基性化合物(A)という。)と、を含む。また、本発明の接着フィルムは、封止用樹脂、シランカップリング剤及び塩基性化合物(A)以外の他の添加剤を含んでもよい。本発明の封止材は、接着フィルムからなる。 <Adhesive film>
The adhesive film of the present invention contains a sealing resin, a silane coupling agent, and a basic compound having a pK b of 5 to 12 (hereinafter referred to as a basic compound (A)). Moreover, the adhesive film of this invention may also contain other additives other than sealing resin, a silane coupling agent, and a basic compound (A). The sealing material of this invention consists of an adhesive film.
封止用樹脂としては、封止材に通常使用される樹脂を使用することができる。
封止用樹脂としては、透明性、加工性及び架橋性に優れる点から、エチレン-極性基含有モノマー共重合体が好ましい。
前記極性基としては、例えば、エステル基(-C(O)O-R又はR-C(O)O-(ただし、Rはアルキル基)等)、カルボキシル基等が挙げられる。 [Resin for sealing]
As the sealing resin, a resin usually used for a sealing material can be used.
As the sealing resin, an ethylene-polar group-containing monomer copolymer is preferable from the viewpoint of excellent transparency, processability and crosslinkability.
Examples of the polar group include an ester group (—C (O) O—R or R—C (O) O— (wherein R is an alkyl group)), a carboxyl group, and the like.
なお、質量平均分子量は、ゲルパーミエーションクロマトグラフィを用いて測定した値である。 The mass average molecular weight of the ethylene-polar group-containing monomer copolymer is preferably 10,000 to 300,000, more preferably 100,000 to 170,000. If the mass average molecular weight of the ethylene-polar group-containing monomer copolymer is not less than the lower limit, a sealing material having good mechanical properties can be easily obtained. When the mass average molecular weight of the ethylene-polar group-containing monomer copolymer is not more than the above upper limit, a sealing material excellent in processability can be easily obtained.
The mass average molecular weight is a value measured using gel permeation chromatography.
封止用樹脂は、1種を単独で使用してもよく、2種以上を併用してもよい。 Further, as the sealing resin, polyethylene, polypropylene, acrylic resin, or the like may be used.
The sealing resin may be used alone or in combination of two or more.
シランカップリング剤は、太陽電池セル、透明保護材、バックシート等と封止材との接着性を改善する役割を果たす。シランカップリング剤としては、封止材に通常用いられるシランカップリング剤を使用することができる。
シランカップリング剤の具体例としては、例えば、3-メタクリロキシプロピルトリメトキシシラン、3-メタクリロキシプロピルトリメチルジメトキシシラン、アリルトリメトキシシラン、3-グリシドキシプロピルトリメトキシシラン、3-メルカプトプロピルトリメトキシシラン、ビニルトリメトキシシラン、3-グリシドキシプロピルメチルジメトキシシラン、等が挙げられる。 [Silane coupling agent]
A silane coupling agent plays the role which improves the adhesiveness of a photovoltaic cell, a transparent protective material, a back sheet etc., and a sealing material. As a silane coupling agent, the silane coupling agent normally used for a sealing material can be used.
Specific examples of the silane coupling agent include, for example, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropyltrimethyldimethoxysilane, allyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-mercaptopropyltrimethyl. Examples include methoxysilane, vinyltrimethoxysilane, 3-glycidoxypropylmethyldimethoxysilane, and the like.
シランカップリング剤は、1種を単独で使用してもよく、2種以上を併用してもよい。 As the silane coupling agent, a silane coupling agent having a trimethoxysilane group is preferable from the viewpoint of adhesiveness, and 3-methacryloxypropyltrimethoxysilane and 3-methacryloxypropyltriethoxysilane are more preferable.
A silane coupling agent may be used individually by 1 type, and may use 2 or more types together.
塩基性化合物(A)は、pKbが5~12の塩基性の化合物である。塩基性化合物(A)を用いることで、保管時における封止材中のシランカップリング剤の加水分解反応及び縮合反応の速度を低下させることができる。その結果、封止材を保管している際にシランカップリング剤が経時変化することを抑制できるため、封止材の接着性の低下が抑制される。
なお、pKbは、日本工業規格JIS K 2501中和価測定の電位差滴定法により測定できる。 [Basic Compound (A)]
Basic compound (A) is a basic compound pK b is 5-12. By using the basic compound (A), the rate of hydrolysis reaction and condensation reaction of the silane coupling agent in the sealing material during storage can be reduced. As a result, since the silane coupling agent can be prevented from changing with time when the sealing material is stored, a decrease in the adhesiveness of the sealing material is suppressed.
Incidentally, pK b can be determined by potentiometric titration of the Japanese Industrial Standard JIS K 2501 neutralization titration.
塩基性化合物(A)は、1種を単独で使用してもよく、2種以上を併用してもよい。 Examples of the light stabilizer (a) include bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate (pK b = 5 to 6), butanedioic acid 1- [2- (4- Hydroxy-2,2,6,6-tetramethylpiperidino) ethyl] (pK b = 7-8), bis [2,2,6,6-tetramethyl-1- (octyloxy) piperidine decandioate -4-yl] (pK b = 8 to 10), bis (1-undecanoxy-2,2,6,6-tetramethylpiperidinon-4-yl) carbonate (pK b = 11 to 12) It is done.
A basic compound (A) may be used individually by 1 type, and may use 2 or more types together.
他の添加剤としては、紫外線吸収剤、光安定剤(a)以外の光安定剤、酸化防止剤、架橋剤、架橋助剤、顔料、染料、可塑剤、充填材等が挙げられる。本発明の封止材は、架橋剤を含むことが好ましく、架橋剤及び架橋助剤を含むことがより好ましい。 [Other additives]
Examples of other additives include ultraviolet absorbers, light stabilizers other than the light stabilizer (a), antioxidants, crosslinking agents, crosslinking aids, pigments, dyes, plasticizers, fillers, and the like. The sealing material of the present invention preferably contains a crosslinking agent, and more preferably contains a crosslinking agent and a crosslinking aid.
架橋剤としては、公知の有機過酸化物(パーオキシケタール類、ジアルキルパーオキサイド類、パーオキシエステル類等)、光増感剤等が挙げられる。 The crosslinking agent is a component that crosslinks the sealing resin.
Examples of the crosslinking agent include known organic peroxides (peroxyketals, dialkyl peroxides, peroxyesters, etc.), photosensitizers and the like.
架橋助剤としては、例えば、トリアリルイソシアヌレート、トリアリルシアヌレート、トリメチロールプロパントリメタクリレート等が挙げられる。 The crosslinking aid is a compound having one or more (preferably two or more) polymerizable unsaturated groups (vinyl group, allyl group, (meth) acryloxy group, etc.).
Examples of the crosslinking aid include triallyl isocyanurate, triallyl cyanurate, and trimethylolpropane trimethacrylate.
本発明の封止材におけるシランカップリング剤の含有量は、封止用樹脂の100質量部に対して、0.1~2質量部が好ましく、0.2~1.0質量部がより好ましい。シランカップリング剤の含有量が前記下限値以上であれば、優れた接着性が得られやすい。シランカップリング剤の含有量が前記上限値以下であれば、コスト的に有利である。 [Ratio of each component]
The content of the silane coupling agent in the sealing material of the present invention is preferably 0.1 to 2 parts by weight, more preferably 0.2 to 1.0 parts by weight with respect to 100 parts by weight of the sealing resin. . If content of a silane coupling agent is more than the said lower limit, the outstanding adhesiveness will be easy to be obtained. If content of a silane coupling agent is below the said upper limit, it is advantageous in terms of cost.
本発明の封止材が架橋助剤を含む場合、架橋助剤の使用量は、封止用樹脂100質量部に対して、0質量部超5質量部以下が好ましく、0質量部超2質量部以下がより好ましい。 When the sealing material of the present invention contains a crosslinking agent, the content of the crosslinking agent is preferably more than 0 parts by mass and less than 5 parts by mass, more than 0 parts by mass and less than 2 parts by mass with respect to 100 parts by mass of the sealing resin. Is more preferable.
When the sealing material of the present invention contains a crosslinking aid, the amount of the crosslinking aid used is preferably more than 0 parts by mass and less than 5 parts by mass, more than 0 parts by mass and more than 2 parts by mass with respect to 100 parts by mass of the sealing resin. Part or less is more preferable.
本発明の封止材の製造方法は、特に限定されず、例えば、封止用樹脂、シランカップリング剤及び塩基性化合物(A)と、必要に応じて使用する他の添加剤を混合して樹脂組成物を得た後に、前記樹脂組成物をシート化する方法等が挙げられる。
シート化方法としては、例えば、Tダイを用いた押出成形法、プレス成形法等が挙げられる。また、樹脂組成物を溶液とする場合、離型シートに樹脂組成物を塗工し、乾燥することにより、シート化することもできる。 [Method of manufacturing sealing material]
The manufacturing method of the sealing material of this invention is not specifically limited, For example, resin for sealing, a silane coupling agent, a basic compound (A), and the other additive used as needed are mixed. Examples thereof include a method of forming the resin composition into a sheet after obtaining the resin composition.
Examples of the sheet forming method include an extrusion molding method using a T die, a press molding method, and the like. Moreover, when making a resin composition into a solution, it can also be formed into a sheet by applying the resin composition to a release sheet and drying.
以上説明した本発明の封止材においては、特定のpKbの塩基性の低い塩基性化合物(A)が含まれているため、封止材の保管中にシランカップリング剤が加水分解や縮合によって経時変化することが抑制される。また、シランカップリング剤の縮合反応部位の構造や配位数を調節して縮合反応の速度を低下させる必要がないため、シランカップリング剤の接着性が充分に得られる。
以上のことから、本発明の封止材は、長期保管後であっても良好な接着性を有しており、剥離等の不具合が生じにくい太陽電池モジュールを製造することができる。 [Function and effect]
Or in the sealing material of the present invention described, certain basic low basic compound pK b (A) because it contains a silane coupling agent during storage of the sealing material is hydrolyzed and condensed Is prevented from changing over time. Further, since it is not necessary to adjust the structure and coordination number of the condensation reaction site of the silane coupling agent to reduce the speed of the condensation reaction, sufficient adhesion of the silane coupling agent can be obtained.
From the above, the sealing material of the present invention has good adhesiveness even after long-term storage, and can produce a solar cell module that is less prone to problems such as peeling.
以下、本発明の太陽電池モジュールの一例について図1に基づいて説明する。
本実施形態の太陽電池モジュール10は、図1に示すように、複数の太陽電池セル11,11・・・と、一対の太陽電池用封止材12,12(以下、封止材12という。)と、透明保護材13と、バックシート14とを備える。
太陽電池セル11は、一対の封止材12,12に挟持されて固定されている。また、封止材12,12は、透明保護材13とバックシート14との間に配置されている。
封止材12は、本発明の封止材である。 <Solar cell module>
Hereinafter, an example of the solar cell module of the present invention will be described with reference to FIG.
As shown in FIG. 1, the
The
The sealing
太陽電池セル11としては、例えば、p型とn型の半導体を接合した構造を有するpn接合型太陽電池素子が挙げられる。
pn接合型太陽電池素子としては、例えば、シリコン系(単結晶シリコン系、多結晶シリコン系、アモルファスシリコン系等)、化合物系(GaAs系、CIS系、CdTe-CdS系)等が挙げられる。
本実施形態例では、複数の太陽電池セル11は、導線及び半田接合部を備えたタブストリング15を介して電気的に直列に接続されている。 [Solar cells]
Examples of the
Examples of the pn junction solar cell element include silicon (single crystal silicon, polycrystalline silicon, amorphous silicon, etc.), compound (GaAs, CIS, CdTe-CdS) and the like.
In the present embodiment example, the plurality of
透明保護材13としては、太陽電池モジュールの表面側を保護するために通常使用さていれる部材が使用でき、例えば、ガラス板、樹脂板等が挙げられる。
ガラス板としては、光透過性の点から、表面に凹凸を形成した型板ガラスが好ましい。型板ガラスの材料としては、鉄分の少ない白板ガラス(高透過ガラス)が好ましい。 [Transparent protective material]
As the transparent
As a glass plate, the template glass which formed the unevenness | corrugation in the surface from the point of light transmittance is preferable. As the material of the template glass, white plate glass (high transmission glass) with less iron content is preferable.
バックシート14としては、太陽電池モジュールのバックシートとして通常使用されているものが使用できる。
バックシート14の材料としては、例えば、ポリフッ化ビニル、ポリエステル(ポリエチレンテレフタレート等)、ポリオレフィン(ポリエチレン等)、ガラス、金属(アルミニウム等)等が挙げられる。
バックシート14は、単層であってもよく、複層であってもよい。 [Back sheet]
As the
Examples of the material of the
The
本発明の太陽電池モジュールの製造方法は、本発明の封止材を用いる以外は公知の製造方法を採用できる。
例えば、太陽電池モジュール10の製造方法としては、以下の方法が挙げられる。
タブストリング15を用いて電気的に接続した複数の太陽電池セル11,11・・・を一対の封止材12,12で挟み、さらに封止材12,12を透明保護材13とバックシート14とで挟む。その後、加熱して、封止材12,12同士、封止材12と透明保護材13、封止材12とバックシート14とを接着する。 [Method for manufacturing solar cell module]
The manufacturing method of the solar cell module of this invention can employ | adopt a well-known manufacturing method except using the sealing material of this invention.
For example, the following method is mentioned as a manufacturing method of the
A plurality of
以上説明した本発明の太陽電池モジュールは、良好な接着性を有する本発明の封止材を用いるため、剥離等の不具合が生じにくい。
なお、本発明の太陽電池モジュールは、前記した太陽電池モジュール10には限定されない。
例えば、前記接着フィルムからなる合わせガラス用中間膜を用いてもよい。
また、一対のガラス板と、前記一対のガラス板により挟持された前記ガラス用中間膜とからなる合わせガラスを用いてもよい。 [Function and effect]
Since the solar cell module of the present invention described above uses the sealing material of the present invention having good adhesiveness, problems such as peeling are unlikely to occur.
The solar cell module of the present invention is not limited to the
For example, an interlayer film for laminated glass made of the adhesive film may be used.
Moreover, you may use the laminated glass which consists of a pair of glass plate and the said intermediate film for glass clamped by the said pair of glass plate.
[化合物]
使用した化合物の略号を以下に示す。
(封止用樹脂)
EVA-1:エチレン-酢酸ビニル共重合体(製品名「SEETEC VE700」、酢酸ビニル単位の割合:28質量%、湖南石油化学社製)。 EXAMPLES Hereinafter, although an Example demonstrates this invention in detail, this invention is not limited by the following description.
[Compound]
Abbreviations of the compounds used are shown below.
(Resin for sealing)
EVA-1: ethylene-vinyl acetate copolymer (product name “SEETEC VE700”, proportion of vinyl acetate units: 28% by mass, manufactured by Konan Petrochemical Co., Ltd.)
a-1:ビス(1,2,2,6,6-ペンタメチル-4-ピペリジル)セバケート(pKb=5~6、製品名「JF-95」、城北化学工業社製)、
a-2:ブタン二酸1-[2-(4-ヒドロキシ-2,2,6,6-テトラメチルピペリジノ)エチル](pKb=7~8、製品名「Tinuvin622」、BASFジャパン社製)、
a-3:デカン二酸ビス[2,2,6,6-テトラメチル-1-(オクチルオキシ)ピペリジン-4-イル](pKb=8~10、製品名「Tinuvin123」、BASFジャパン社製)、
a-4:ビス(1-ウンデカノキシ-2,2,6,6-テトラメチルピペリジノン-4-イル)カーボネート(pKb=11~12、製品名「LA-81」、ADEKA社製)、
e-1:セバシン酸ビス(2,2,6,6-テトラメチルピペリジン-4-イル)(4≦pKb<5、製品名「JF-90」、城北化学工業社製)、
e-2:3-(2,2,6,6-テトラメチル-4-ピペリジニル)-2-メチル-1-プロペン-3-オン(4≦pKb<5、製品名「LA-87」、ADEKA社製)。 (Light stabilizer)
a-1: Bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate (pK b = 5 to 6, product name “JF-95”, manufactured by Johoku Chemical Co., Ltd.)
a-2: 1- [2- (4-hydroxy-2,2,6,6-tetramethylpiperidino) ethyl] butanedioic acid (pK b = 7-8, product name “Tinuvin 622”, BASF Japan Ltd. Made),
a-3: Bis [2,2,6,6-tetramethyl-1- (octyloxy) piperidin-4-yl] decanedioate (pK b = 8 to 10, product name “Tinuvin123”, manufactured by BASF Japan Ltd. ),
a-4: bis (1-undecanoxy-2,2,6,6-tetramethylpiperidinon-4-yl) carbonate (pK b = 11 to 12, product name “LA-81”, manufactured by ADEKA),
e-1: bis (2,2,6,6-tetramethylpiperidin-4-yl) sebacate (4 ≦ pK b <5, product name “JF-90”, manufactured by Johoku Chemical Co., Ltd.)
e-2: 3- (2,2,6,6-tetramethyl-4-piperidinyl) -2-methyl-1-propen-3-one (4 ≦ pK b <5, product name “LA-87”, ADEKA).
b-1:3-メタクリロキシプロピルトリメトキシシラン(製品名「KBM-503」、信越シリコーン社製)。 (Silane coupling agent)
b-1: 3-Methacryloxypropyltrimethoxysilane (product name “KBM-503”, manufactured by Shin-Etsu Silicone).
c-1:t-ブチルパーオキシ-2-エチルヘキシルモノカーボネート(製品名「カヤヘキサAD」、化薬アクゾ社製)。 (Crosslinking agent)
c-1: t-Butylperoxy-2-ethylhexyl monocarbonate (product name “Kayahexa AD”, manufactured by Kayaku Akzo Corporation).
d-1:トリアリルイソシアヌレート(製品名「TAIC(登録商標)」、日本化成社製)。 (Crosslinking aid)
d-1: triallyl isocyanurate (product name “TAIC (registered trademark)”, manufactured by Nippon Kasei Co., Ltd.).
EVA-1を100質量部と、塩基性化合物である光安定剤(a-1)0.2質量部と、シランカップリング剤(b-1)0.2質量部と、架橋剤(c-1)0.5質量部と、架橋助剤(d-1)0.5質量部とを混合し、樹脂組成物を得た。得られた樹脂組成物を一軸押出機による押出成形によりシート化して封止材を得た。 [Example 1]
100 parts by weight of EVA-1, 0.2 parts by weight of a light stabilizer (a-1) as a basic compound, 0.2 parts by weight of a silane coupling agent (b-1), a crosslinking agent (c- 1) 0.5 parts by mass and 0.5 parts by mass of the crosslinking aid (d-1) were mixed to obtain a resin composition. The obtained resin composition was made into a sheet by extrusion molding using a single screw extruder to obtain a sealing material.
各成分の組成を表1に示すとおりに変更した以外は、実施例1と同様にして封止材を得た。 [Examples 2 to 8]
A sealing material was obtained in the same manner as in Example 1 except that the composition of each component was changed as shown in Table 1.
各成分の組成を表2に示すとおりに変更した以外は、実施例1と同様にして封止材を得た。 [Comparative Examples 1 to 5]
A sealing material was obtained in the same manner as in Example 1 except that the composition of each component was changed as shown in Table 2.
得られた封止材を厚さ150μmのオレフィンフィルムで包装したサンプルを複数用意し、23℃×85%RHと、30℃×60%RHの2種類の条件でそれぞれ保管した。各条件における6ヶ月保管後と、12ヶ月保管後のサンプルについて、以下の方法で剥離強度を測定した。
保管後のサンプルからオレフィンフィルムを剥がし、20cm四方のシボ白板ガラス上に重ねて、ラミネーターにより150℃で5分間真空脱気した後、圧力0.1MPaで12分間圧着して試験片を得た。前記試験片について、180°引張試験装置(島津製作所社製「AG-5000A」)を用いて、23℃×50%RHの条件下で180°剥離試験を行い、剥離強度(N/cm)を測定した。
剥離強度の測定結果を表1及び表2に示す。 [Peel strength]
A plurality of samples in which the obtained sealing material was packaged with an olefin film having a thickness of 150 μm were prepared and stored under two conditions of 23 ° C. × 85% RH and 30 ° C. × 60% RH, respectively. The peel strength was measured by the following method for samples after 6 months storage and 12 months storage under each condition.
The olefin film was peeled off from the sample after storage, placed on a 20 cm square white glass plate, vacuum deaerated with a laminator at 150 ° C. for 5 minutes, and then pressure-bonded at a pressure of 0.1 MPa for 12 minutes to obtain a test piece. The test piece was subjected to a 180 ° peel test under a condition of 23 ° C. × 50% RH using a 180 ° tensile test apparatus (“AG-5000A” manufactured by Shimadzu Corporation), and the peel strength (N / cm) was determined. It was measured.
Tables 1 and 2 show the measurement results of the peel strength.
一方、表2に示すように、pKbが5未満の光安定剤を含むものの、pKbが5~12の塩基性化合物を含まない比較例1~5の封止材では、23℃×85%RH、30℃×60%RHのいずれの条件で保管した場合でも、12ヶ月経過後の剥離強度が19N/cm未満となっており、封止材の接着性が著しく低下した。 As shown in Table 1, in the sealing materials of Examples 1 to 8 including the light stabilizer that is a basic compound having a pK b of 5 to 12, any of 23 ° C. × 85% RH and 30 ° C. × 60% RH Even when stored under the above conditions, the peel strength after 12 months was 36 N / cm or more, and a decrease in adhesiveness was suppressed.
On the other hand, as shown in Table 2, the sealing materials of Comparative Examples 1 to 5 containing a light stabilizer having a pK b of less than 5 but not containing a basic compound having a pK b of 5 to 12 were 23 ° C. × 85 Even when stored under the conditions of% RH and 30 ° C. × 60% RH, the peel strength after 12 months was less than 19 N / cm, and the adhesiveness of the sealing material was significantly reduced.
11 太陽電池セル
12 太陽電池用封止材
13 透明保護材
14 バックシート
15 タブストリング DESCRIPTION OF
Claims (6)
- 封止用樹脂と、シランカップリング剤と、pKbが5~12の塩基性化合物と、を含む接着フィルム。 An adhesive film comprising a sealing resin, a silane coupling agent, and a basic compound having a pK b of 5 to 12.
- 前記塩基性化合物が、pKbが5~12の光安定剤である、請求項1に記載の接着フィルム。 Wherein the basic compound is a light stabilizer of the pK b is from 5 to 12, the adhesive film according to claim 1.
- 請求項1又は2に記載の前記接着フィルムからなる太陽電池用封止材。 The sealing material for solar cells which consists of the said adhesive film of Claim 1 or 2.
- 太陽電池セルと、前記太陽電池セルを挟持した一対の、請求項3に記載の前記太陽電池用封止材とを備える、太陽電池モジュール。 A solar battery module comprising a solar battery cell and a pair of the solar battery sealing materials according to claim 3 sandwiching the solar battery cell.
- 請求項1又は2に記載の前記接着フィルムからなる合わせガラス用中間膜。 An interlayer film for laminated glass comprising the adhesive film according to claim 1.
- 一対のガラス板と、前記一対のガラス板により挟持された請求項5に記載の前記合わせガラス用中間膜とからなる合わせガラス。 The laminated glass which consists of a pair of glass plate and the said intermediate film for laminated glasses of Claim 5 clamped by the said pair of glass plate.
Priority Applications (3)
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KR1020167011113A KR20160082985A (en) | 2013-11-05 | 2014-11-04 | Adhesive Film, Solar-Cell Sealing Material, Solar-Cell Module, Laminated-Glass Interlayer, and Laminated Glass |
CN201480058920.7A CN105706250A (en) | 2013-11-05 | 2014-11-04 | Adhesive film, solar-cell sealing material, solar-cell module, laminated-glass interlayer, and laminated glass |
JP2015546644A JPWO2015068691A1 (en) | 2013-11-05 | 2014-11-04 | Adhesive film, solar cell encapsulant, solar cell module, interlayer film for laminated glass and laminated glass |
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PCT/JP2014/079228 WO2015068691A1 (en) | 2013-11-05 | 2014-11-04 | Adhesive film, solar-cell sealing material, solar-cell module, laminated-glass interlayer, and laminated glass |
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KR (1) | KR20160082985A (en) |
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JPH06169099A (en) * | 1992-08-03 | 1994-06-14 | Siemens Solar Ind Internatl Inc | Composition and method for sealing of solar cell as well as hardened transparent sealing agent |
WO2010101211A1 (en) * | 2009-03-06 | 2010-09-10 | 株式会社ブリヂストン | Heat-ray-shielding laminate, and heat-ray-shielding laminated glass |
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JP2012038856A (en) * | 2010-08-05 | 2012-02-23 | Mitsui Chemicals Inc | Sealing film for solar cell, solar cell module and method of manufacturing the same |
JP2013028486A (en) * | 2011-07-28 | 2013-02-07 | Achilles Corp | Intermediate film for laminated glass |
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JP2000174296A (en) | 1998-12-07 | 2000-06-23 | Bridgestone Corp | Solar cell, and cover material and seal film therefor |
JP4912122B2 (en) | 2006-11-14 | 2012-04-11 | 三井・デュポンポリケミカル株式会社 | Crosslinkable ethylene copolymer composition, sheet for sealing solar cell element comprising the copolymer composition, and solar cell module using the same |
DE102009009791A1 (en) * | 2009-02-20 | 2010-08-26 | Mitsubishi Plastics, Inc. | White, coated polyester film, process for its preparation and its use as back cover in solar modules |
KR101096430B1 (en) * | 2010-06-25 | 2011-12-20 | 주식회사 에스폴리텍 | Eva sheet for solar module having a reduced crosslinking time |
CN102881751A (en) * | 2012-08-21 | 2013-01-16 | 王辉 | Novel solar cell module |
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2014
- 2014-11-04 JP JP2015546644A patent/JPWO2015068691A1/en active Pending
- 2014-11-04 CN CN201480058920.7A patent/CN105706250A/en active Pending
- 2014-11-04 KR KR1020167011113A patent/KR20160082985A/en not_active Application Discontinuation
- 2014-11-04 WO PCT/JP2014/079228 patent/WO2015068691A1/en active Application Filing
- 2014-11-05 TW TW103138362A patent/TW201527477A/en unknown
Patent Citations (6)
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JPH06169099A (en) * | 1992-08-03 | 1994-06-14 | Siemens Solar Ind Internatl Inc | Composition and method for sealing of solar cell as well as hardened transparent sealing agent |
WO2010101211A1 (en) * | 2009-03-06 | 2010-09-10 | 株式会社ブリヂストン | Heat-ray-shielding laminate, and heat-ray-shielding laminated glass |
CN101626039B (en) * | 2009-07-27 | 2011-10-05 | 江苏爱康太阳能科技股份有限公司 | Solar cell packaging EVA adhesive film capable of resisting heat, humidity, ultraviolet light and aging |
JP2012038856A (en) * | 2010-08-05 | 2012-02-23 | Mitsui Chemicals Inc | Sealing film for solar cell, solar cell module and method of manufacturing the same |
CN102134450A (en) * | 2010-12-14 | 2011-07-27 | 上海天洋热熔胶有限公司 | High-adhesive-strength ethylene vinyl acetate adhesive film for packaging solar cells and preparation method thereof |
JP2013028486A (en) * | 2011-07-28 | 2013-02-07 | Achilles Corp | Intermediate film for laminated glass |
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CN105706250A (en) | 2016-06-22 |
TW201527477A (en) | 2015-07-16 |
KR20160082985A (en) | 2016-07-11 |
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