JP2001047568A - Weatherable toned film and solar cell - Google Patents
Weatherable toned film and solar cellInfo
- Publication number
- JP2001047568A JP2001047568A JP11221397A JP22139799A JP2001047568A JP 2001047568 A JP2001047568 A JP 2001047568A JP 11221397 A JP11221397 A JP 11221397A JP 22139799 A JP22139799 A JP 22139799A JP 2001047568 A JP2001047568 A JP 2001047568A
- Authority
- JP
- Japan
- Prior art keywords
- weather
- resistant
- solar cell
- film
- resin layer
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
- B32B17/10018—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising only one glass sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
- B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
Landscapes
- Photovoltaic Devices (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は耐候性調色フィルム
及びこの耐候性調色フィルムを用いた太陽電池に係り、
特に、太陽電池に着色を付与して意匠性を高めるために
有効な耐候性調色フィルムと、この耐候性調色フィルム
を用いた太陽電池に関する。The present invention relates to a weather-resistant toning film and a solar cell using the weather-resistant toning film.
In particular, the present invention relates to a weather-resistant toning film that is effective for imparting coloring to a solar cell to enhance design, and a solar cell using the weather-resistant toning film.
【０００２】[0002]
【従来の技術】近年、資源の有効利用や環境汚染の防止
等の面から、太陽光を直接電気エネルギーに変換する太
陽電池が注目され、開発が進められている。2. Description of the Related Art In recent years, solar cells which directly convert sunlight into electric energy have been attracting attention from the viewpoints of effective use of resources and prevention of environmental pollution, and their development has been promoted.
【０００３】太陽電池は、一般に、図４に示す如く、表
面側透明保護部材としてのガラス基板１と裏面側保護部
材（バックカバー）２との間にＥＶＡ（エチレン−酢酸
ビニル共重合体樹脂）フィルムの封止膜３Ａ，３Ｂによ
り、シリコン発電素子４等の太陽電池用セルを封止した
構成とされている。As shown in FIG. 4, a solar cell generally has an EVA (ethylene-vinyl acetate copolymer resin) between a glass substrate 1 as a front transparent protective member and a rear protective member (back cover) 2. The solar cell such as the silicon power generation element 4 is sealed with film sealing films 3A and 3B.
【０００４】このような太陽電池は、ガラス基板１、封
止膜３Ａ、シリコン発電素子４、封止膜３Ｂ及びバック
カバー２をこの順で積層し、加熱加圧して、ＥＶＡを架
橋硬化させて接着一体化することにより製造される。In such a solar cell, a glass substrate 1, a sealing film 3A, a silicon power generating element 4, a sealing film 3B, and a back cover 2 are laminated in this order, and heated and pressed to crosslink and cure EVA. It is manufactured by bonding and integrating.
【０００５】[0005]
【発明が解決しようとする課題】従来の太陽電池にあっ
ては、表面側透明保護部材がガラス基板等の無色透明な
部材で構成されることから、発電素子のメタリック調の
色がそのまま太陽電池の色となる。このため、例えば、
この太陽電池を住宅の屋根に取り付けた場合には屋根材
との調和が図れず、外観を著しく損なうものとなる。ま
た、ソーラーカー等に設置する場合にあっても、太陽電
池が違和感を醸し出す原因となる。In the conventional solar cell, since the transparent protective member on the front side is made of a colorless and transparent member such as a glass substrate, the metallic color of the power generating element remains unchanged. Color. Thus, for example,
When this solar cell is mounted on the roof of a house, it cannot be harmonized with the roof material, and the appearance is significantly impaired. Further, even when the solar battery is installed in a solar car or the like, the solar battery may cause an uncomfortable feeling.
【０００６】このため、太陽電池は、省エネルギーや環
境保全の面で大きな注目を集めているにもかかわらず、
設置場所等に制約を受け、普及が遅れているのが現状で
ある。For this reason, solar cells have received great attention in terms of energy saving and environmental protection,
At present, the spread is delayed due to restrictions on installation locations.
【０００７】本発明は上記従来の問題点を解決し、太陽
電池に着色を付与して意匠性を高め、周囲との調和を図
るために有効な耐候性調色フィルムと、この耐候性調色
フィルムを用いた太陽電池を提供することを目的とす
る。The present invention solves the above-mentioned conventional problems, and provides a weather-resistant toning film which is effective for imparting coloring to a solar cell to enhance its design and harmonize with the surroundings. An object is to provide a solar cell using a film.
【０００８】[0008]
【課題を解決するための手段】本発明の耐候性調色フィ
ルムは、耐候性透明樹脂層と、着色されたＥＶＡ層とを
積層一体化してなるものである。The weather-resistant toning film of the present invention is obtained by laminating and integrating a weather-resistant transparent resin layer and a colored EVA layer.
【０００９】この耐候性調色フィルムであれば、着色Ｅ
ＶＡ層により、太陽電池を所望の色調に調色することが
できる。即ち、この耐候性調色フィルムを太陽電池の表
面側に適用した場合、太陽電池の色調は、発電素子の発
色と着色ＥＶＡ層の発色との混色となり、結果として太
陽電池の調色を図ることができる。しかも、耐候性透明
樹脂層が積層されているため、耐候性調色フィルム自体
の耐候性に優れ、良好な外観を長期に亘り維持すること
ができる。With this weather-resistant toning film, the colored E
With the VA layer, the solar cell can be toned to a desired color tone. That is, when this weather-resistant color-adjusting film is applied to the surface side of a solar cell, the color tone of the solar cell is a mixture of the coloration of the power generation element and the coloration of the colored EVA layer. Can be. Moreover, since the weather-resistant transparent resin layer is laminated, the weather-resistant toning film itself has excellent weather resistance and can maintain a good appearance for a long period of time.
【００１０】本発明において、該耐候性透明樹脂層はエ
チレン−四フッ化エチレン共重合体樹脂（ＥＴＦＥ）、
ポリビニルホルマール樹脂（ＰＶＦ）又はアクリル樹脂
よりなるものが好適である。In the present invention, the weather-resistant transparent resin layer comprises an ethylene-tetrafluoroethylene copolymer resin (ETFE);
Those made of polyvinyl formal resin (PVF) or acrylic resin are preferred.
【００１１】また、耐候性透明樹脂層の厚さは５０〜６
００μｍで、着色ＥＶＡ層の厚さは５〜６００μｍであ
ることが好ましい。The thickness of the weather-resistant transparent resin layer is 50 to 6
Preferably, the thickness of the colored EVA layer is 5 to 600 μm.
【００１２】本発明の太陽電池は、このような本発明の
耐候性調色フィルムを、ＥＶＡ層が接着面となるように
表面に貼り合わせてなるものであり、耐候性調色フィル
ムによる調色と耐候性で、周囲との調和に優れ、その良
好な外観を長期に亘り維持することができる。The solar cell of the present invention is obtained by laminating such a weather-resistant toning film of the present invention on the surface so that the EVA layer serves as an adhesive surface. It is excellent in harmony with the surroundings, and can maintain its good appearance for a long time.
【００１３】本発明の太陽電池は、具体的には次のよう
な構成とすることができる。 表面側透明保護部材と裏面側保護部材との間に太陽
電池用セルを封止してなる太陽電池において、表面側透
明保護部材として本発明の耐候性調色フィルムを用い
る。 表面側透明保護部材と裏面側保護部材との間に太陽
電池用セルを封止してなる太陽電池において、耐候性調
色フィルムを表面側透明保護部材に貼着する。[0013] The solar cell of the present invention can be specifically configured as follows. In a solar cell in which a solar cell is sealed between a front-side transparent protective member and a back-side protective member, the weather-resistant toning film of the present invention is used as the front-side transparent protective member. In a solar cell in which a solar cell is sealed between a front-side transparent protective member and a back-side protective member, a weather-resistant toning film is attached to the front-side transparent protective member.
【００１４】[0014]
【発明の実施の形態】以下に図面を参照して本発明の実
施の形態を詳細に説明する。Embodiments of the present invention will be described below in detail with reference to the drawings.
【００１５】図１は本発明の耐候性調色フィルムの実施
の形態を示す断面図であり、図２，３は本発明の太陽電
池の実施の形態を示す断面図である。なお、図２，３に
おいて、図４に示す部材と同一機能を奏する部材には同
一符号を付してあり、その説明を省略する。FIG. 1 is a sectional view showing an embodiment of a weather-resistant toning film of the present invention, and FIGS. 2 and 3 are sectional views showing an embodiment of a solar cell of the present invention. 2 and 3, members having the same functions as the members shown in FIG. 4 are denoted by the same reference numerals, and description thereof will be omitted.
【００１６】図１に示す如く、本発明の耐候性調色フィ
ルム１０は、耐候性透明樹脂層１１と着色ＥＶＡ層１２
とを積層一体化してなるものである。As shown in FIG. 1, a weather-resistant toning film 10 of the present invention comprises a weather-resistant transparent resin layer 11 and a colored EVA layer 12.
Are laminated and integrated.
【００１７】耐候性透明樹脂層１１は、耐候性に優れ、
かつ無色で透明度の高いＥＴＦＥ，ＰＶＦ，アクリル樹
脂等により形成することができ、その厚さは５０〜６０
０μｍであることが好ましい。この耐候性透明樹脂層１
１の厚さが５０μｍ未満では十分な耐候性が得られず、
６００μｍを超えると耐候性調色フィルム１０自体の厚
さが厚くなり過ぎ、好ましくない。The weather-resistant transparent resin layer 11 has excellent weather resistance,
It can be formed of ETFE, PVF, acrylic resin, or the like, which is colorless and highly transparent, and has a thickness of 50 to 60.
It is preferably 0 μm. This weather-resistant transparent resin layer 1
If the thickness of 1 is less than 50 μm, sufficient weather resistance cannot be obtained,
If it exceeds 600 μm, the thickness of the weather-resistant toning film 10 itself becomes too thick, which is not preferable.
【００１８】一方、着色ＥＶＡ層１２は後述のＥＶＡに
染料、顔料等を添加して着色したものであり、ここで染
料としては、パール顔料、酸化チタン等を用いることが
できる。On the other hand, the colored EVA layer 12 is a layer obtained by adding a dye, a pigment and the like to EVA described later, and a pearl pigment, titanium oxide or the like can be used as the dye.
【００１９】用いる染料ないし顔料の種類や配合量は、
耐候性調色フィルムを適用する太陽電池の発電素子等の
色や、この太陽電池を設置する場所の色調に応じて、発
電素子等の発色と耐候性調色フィルムの発色とが混色さ
れたときに、設置場所の周囲環境と十分に調和する色調
に調色されるように、適宜選択使用される。The kind and amount of the dye or pigment used are
When the color of the power generation element or the like and the color of the weather resistance toning film are mixed according to the color of the power generation element of the solar cell to which the weather-resistant toning film is applied or the color of the place where the solar cell is installed. In addition, it is appropriately selected and used so as to be adjusted to a color tone that is sufficiently harmonious with the surrounding environment of the installation place.
【００２０】なお、染料ないし顔料の配合量が過度に少
ないと十分に調色を行うことができず、逆に過度に多い
と耐候性調色フィルムに光が吸収され、太陽電池の発電
素子に到達する光量が少なくなることにより発電効率が
低下するため、染料ないし顔料の配合量は、調色と発電
効率の兼ね合いから、最適な配合量となるように調整す
ることが望まれる。If the amount of the dye or pigment is excessively small, it is not possible to perform sufficient toning. On the other hand, if the amount is excessively large, light is absorbed by the weather-resistant toning film, so that the power generation element of the solar cell may be used. Since the power generation efficiency decreases due to the decrease in the amount of light that reaches, it is desired to adjust the compounding amount of the dye or pigment so as to be the optimum compounding amount in consideration of the toning and the power generation efficiency.
【００２１】このような着色ＥＶＡ層１２の厚さは５〜
６００μｍであることが好ましい。このＥＶＡ層１２の
厚さが５μｍ未満では十分な調色が得られず、６００μ
ｍを超えると耐候性調色フィルムでの吸光量が多くなっ
て発電効率が低下する場合があり、好ましくない。The thickness of the colored EVA layer 12 is 5 to 5.
Preferably it is 600 μm. If the thickness of the EVA layer 12 is less than 5 μm, sufficient toning cannot be obtained, and
If it exceeds m, the amount of light absorbed by the weather-resistant toning film may increase and the power generation efficiency may decrease, which is not preferable.
【００２２】このような本発明の耐候性調色フィルム１
０は、耐候性透明樹脂フィルムへの着色ＥＶＡのコーテ
ィングによって製造することができるが、一般的な積層
フィルムの製法に従って、耐候性透明樹脂フィルムと着
色ＥＶＡフィルムを積層化することによっても製造する
ことができる。Such a weather-resistant toning film 1 of the present invention
0 can be produced by coating colored EVA on a weather-resistant transparent resin film, but also by laminating a weather-resistant transparent resin film and a colored EVA film according to a general laminated film manufacturing method. Can be.
【００２３】なお、本発明で用いられるＥＶＡは、酢酸
ビニル含有量が１０〜５０重量％、特に１５〜４０重量
％で、メルトフローレートが０．７〜２０、特に１．５
〜１０であることが好ましい。The EVA used in the present invention has a vinyl acetate content of 10 to 50% by weight, particularly 15 to 40% by weight, and a melt flow rate of 0.7 to 20, particularly 1.5.
It is preferably from 10 to 10.
【００２４】本発明で用いるＥＶＡには、耐候性の向上
のために架橋剤を配合して架橋構造を持たせることが好
ましく、この架橋剤としては、一般に、１００℃以上で
ラジカルを発生する有機過酸化物が用いられ、特に、配
合時の安定性を考慮に入れれば、半減期１０時間の分解
温度が７０℃以上であるものが好ましい。このような有
機過酸化物としては、例えば２，５−ジメチルヘキサ
ン；２，５−ジハイドロパーオキサイド；２，５−ジメ
チル−２，５−ジ（ｔ−ブチルパーオキシ）ヘキサン；
３−ジ−ｔ−ブチルパーオキサイド；ｔ−ジクミルパー
オキサイド；２，５−ジメチル−２，５−ジ（ｔ−ブチ
ルパーオキシ）ヘキシン；ジクミルパーオキサイド；
α，α’−ビス（ｔ−ブチルパーオキシイソプロピル）
ベンゼン；ｎ−ブチル−４，４−ビス（ｔ−ブチルパー
オキシ）ブタン；２，２−ビス（ｔ−ブチルパーオキ
シ）ブタン；１，１−ビス（ｔ−ブチルパーオキシ）シ
クロヘキサン；１，１−ビス（ｔ−ブチルパーオキシ）
３，３，５−トリメチルシクロヘキサン；ｔ−ブチルパ
ーオキシベンゾエート；ベンゾイルパーオキサイド等を
用いることができる。これらの有機過酸化物の配合量
は、一般にＥＶＡ１００重量部に対して５重量部以下、
好ましくは１〜３重量部である。The EVA used in the present invention preferably has a cross-linking structure by adding a cross-linking agent in order to improve weather resistance. The cross-linking agent is generally an organic compound which generates radicals at 100 ° C. or higher. A peroxide is used, and in particular, in consideration of the stability at the time of blending, those having a decomposition temperature of 70 ° C. or more with a half-life of 10 hours are preferable. Examples of such an organic peroxide include 2,5-dimethylhexane; 2,5-dihydroperoxide; 2,5-dimethyl-2,5-di (t-butylperoxy) hexane;
3-di-t-butyl peroxide; t-dicumyl peroxide; 2,5-dimethyl-2,5-di (t-butylperoxy) hexine; dicumyl peroxide;
α, α'-bis (t-butylperoxyisopropyl)
Benzene; n-butyl-4,4-bis (t-butylperoxy) butane; 2,2-bis (t-butylperoxy) butane; 1,1-bis (t-butylperoxy) cyclohexane; 1-bis (t-butylperoxy)
3,3,5-trimethylcyclohexane; t-butylperoxybenzoate; benzoyl peroxide and the like can be used. The amount of these organic peroxides is generally 5 parts by weight or less based on 100 parts by weight of EVA.
Preferably, it is 1 to 3 parts by weight.
【００２５】また、発電素子やガラス基板等との接着力
向上の目的で、ＥＶＡにシランカップリング剤を添加す
ることができる。この目的に供されるシランカップリン
グ剤としては公知のもの、例えばγ−クロロプロピルト
リメトキシシラン；ビニルトリクロロシラン；ビニルト
リエトキシシラン；ビニル−トリス−（β−メトキシエ
トキシ）シラン；γ−メタクリロキシプロピルトリメト
キシシラン；β−（３，４−エトキシシクロヘキシル）
エチルトリメトキシシラン；γ−グリシドキシプロピル
トリメトキシシラン；ビニルトリアセトキシシラン；γ
−メルカプトプロピルトリメトキシシラン；γ−アミノ
プロピルトリメトキシシラン；Ｎ−β−（アミノエチ
ル）−γ−アミノプロピルトリメトキシシラン等を挙げ
ることができる。これらのシランカップリング剤の配合
量は、一般にＥＶＡ１００重量部に対して５重量部以
下、好ましくは０．１〜２重量部である。Further, a silane coupling agent can be added to EVA for the purpose of improving the adhesion to a power generating element, a glass substrate, or the like. Known silane coupling agents for this purpose include, for example, γ-chloropropyltrimethoxysilane; vinyltrichlorosilane; vinyltriethoxysilane; vinyl-tris- (β-methoxyethoxy) silane; γ-methacryloxy. Propyltrimethoxysilane; β- (3,4-ethoxycyclohexyl)
Ethyltrimethoxysilane; γ-glycidoxypropyltrimethoxysilane; vinyltriacetoxysilane; γ
-Mercaptopropyltrimethoxysilane; γ-aminopropyltrimethoxysilane; N-β- (aminoethyl) -γ-aminopropyltrimethoxysilane and the like. The amount of these silane coupling agents is generally 5 parts by weight or less, preferably 0.1 to 2 parts by weight, based on 100 parts by weight of EVA.
【００２６】更に、ＥＶＡのゲル分率を向上させ、耐久
性を向上するためにＥＶＡに架橋助剤を添加することが
できる。この目的に供される架橋助剤としては、公知の
ものとしてトリアリルイソシアヌレート；トリアリルイ
ソシアネート等の３官能の架橋助剤の他、ＮＫエステル
等の単官能の架橋助剤等も挙げることができる。これら
の架橋助剤の配合量は、一般にＥＶＡ１００重量部に対
して１０重量部以下、好ましくは１〜５重量部である。Further, a crosslinking aid can be added to EVA in order to improve the gel fraction of EVA and improve durability. Examples of the crosslinking aid used for this purpose include trifunctional crosslinking aids such as triallyl isocyanurate and triallyl isocyanate as well as monofunctional crosslinking aids such as NK esters. it can. The amount of these crosslinking aids is generally 10 parts by weight or less, preferably 1 to 5 parts by weight, based on 100 parts by weight of EVA.
【００２７】更に、ＥＶＡの安定性を向上する目的でハ
イドロキノン；ハイドロキノンモノメチルエーテル；ｐ
−ベンゾキノン；メチルハイドロキノンなどを添加する
ことができ、これらの配合量は、一般にＥＶＡ１００重
量部に対して５重量部以下である。Furthermore, for the purpose of improving the stability of EVA, hydroquinone; hydroquinone monomethyl ether;
-Benzoquinone; methylhydroquinone and the like can be added, and the blending amount thereof is generally 5 parts by weight or less based on 100 parts by weight of EVA.
【００２８】更に、必要に応じ、上記以外に紫外線吸収
剤、老化防止剤、変色防止剤等を添加することができ
る。紫外線吸収剤には、２−ヒドロキシ−４−オクトキ
シベンゾフェノン；２−ヒドロキシ−４−メトキシ−５
−スルフォベンゾフェノン等のベンゾフェノン系；２−
（２’−ヒドロキシ−５−メチルフェニル）ベンゾトリ
アゾール等のベンゾトリアゾール系；フェニルサルシレ
ート；ｐ−ｔ−ブチルフェニルサルシレート等のヒンダ
ートアミン系がある。老化防止剤としては、アミン系；
フェノール系；ビスフェニル系；ヒンダートアミン系が
あり、例えばジ−ｔ−ブチル−ｐ−クレゾール；ビス
（２，２，６，６−テトラメチル−４−ピペラジル）セ
バケート等がある。Further, if necessary, an ultraviolet absorber, an antioxidant, a discoloration inhibitor and the like can be added in addition to the above. UV absorbers include 2-hydroxy-4-octoxybenzophenone; 2-hydroxy-4-methoxy-5
Benzophenones such as sulfobenzophenone; 2-
Benzotriazoles such as (2′-hydroxy-5-methylphenyl) benzotriazole; hindered amines such as phenyl salicylate; pt-butylphenyl salicylate; As anti-aging agents, amines;
There are phenol type; bisphenyl type; hindered amine type, for example, di-t-butyl-p-cresol; bis (2,2,6,6-tetramethyl-4-piperazyl) sebacate.
【００２９】このような本発明の耐候性調色フィルム１
０を太陽電池に適用するには、具体的には次のような方
法がある。The weather-resistant toning film 1 of the present invention as described above.
To apply 0 to a solar cell, the following method is specifically used.
【００３０】 図２に示す如く、従来の太陽電池のガ
ラス基板に代えて本発明の耐候性調色フィルム１０を表
面側透明保護部材として用いる。この太陽電池を製造す
るには、図２に示す如く、耐候性調色フィルム１０、シ
リコン発電素子４、封止膜（ＥＶＡフィルム）３Ｂ及び
バックカバー２を順次積層し、積層体を常法に従って、
真空ラミネーターで温度１２０〜１５０℃、脱気時間２
〜１５分、プレス圧力０．５〜１ｋｇ／ｃｍ2、プレス
時間８〜４５分で加熱加圧圧着すれば良く、この加熱加
圧時に、封止膜３Ｂと耐候性調色フィルム１０の着色Ｅ
ＶＡ層１２のＥＶＡが架橋して耐候性及び接着性に優れ
た封止膜を形成することができる。As shown in FIG. 2, the weather-resistant toning film 10 of the present invention is used as a front-side transparent protective member instead of a conventional glass substrate of a solar cell. In order to manufacture this solar cell, as shown in FIG. 2, the weather-resistant toning film 10, the silicon power generation element 4, the sealing film (EVA film) 3B, and the back cover 2 are sequentially laminated, and the laminate is formed according to a conventional method. ,
Vacuum laminator temperature 120-150 ° C, degassing time 2
The heating and pressurizing may be performed at a press pressure of 0.5 to 1 kg / cm 2 and a press time of 8 to 45 minutes, and the coloring E of the sealing film 3B and the weather resistant toning film 10 may be performed during the heating and pressing.
The EVA of the VA layer 12 is cross-linked to form a sealing film having excellent weather resistance and adhesiveness.
【００３１】 図３に示す如く、従来の太陽電池のガ
ラス基板の表面に本発明の耐候性調色フィルムを貼着す
る。この太陽電池を製造するには、予め作製された太陽
電池に耐候性調色フィルム１０を常法に従って加熱加圧
して貼着しても良く、耐候性調色フィルム１０、ガラス
基板１、封止膜（ＥＶＡフィルム）３Ａ、シリコン発電
素子４、封止膜（ＥＶＡフィルム）３Ｂ及びバックカバ
ー２を積層して上述の如く、加熱加圧して一体化しても
良い。As shown in FIG. 3, the weather-resistant toning film of the present invention is adhered to the surface of a glass substrate of a conventional solar cell. In order to manufacture this solar cell, the weather-resistant toning film 10 may be adhered to a previously manufactured solar cell by heating and pressing according to a conventional method. The film (EVA film) 3A, the silicon power generation element 4, the sealing film (EVA film) 3B, and the back cover 2 may be laminated and integrated by heating and pressing as described above.
【００３２】いずれの太陽電池であっても、耐候性調色
フィルム１０の耐候性と調色効果により、周囲との調和
に優れた良好な外観を長期に亘り維持することができ
る。In any of the solar cells, a favorable appearance excellent in harmony with the surroundings can be maintained for a long time due to the weather resistance and the toning effect of the weather resistant toning film 10.
【００３３】このような太陽電池は住宅用又は自動車用
太陽電池として好適であり、建物や自動車の美観を損な
うことなく太陽電池を設置することができる。Such a solar cell is suitable as a solar cell for a house or an automobile, and can be installed without impairing the aesthetics of a building or an automobile.
【００３４】[0034]
【発明の効果】以上詳述した通り、本発明の耐候性調色
フィルム及び太陽電池によれば、太陽電池に着色を付与
して意匠性を高め、周囲との調和を図ることができ、建
物や自動車、その他の太陽電池設置場所の美観を損なう
ことなく、太陽電池を設置することができるため、太陽
電池の適用分野を大幅に拡大することができる。As described above in detail, according to the weather-resistant toning film and the solar cell of the present invention, the solar cell can be colored to enhance the design and to achieve harmony with the surroundings. The solar cell can be installed without deteriorating the aesthetics of vehicles, automobiles, and other places where the solar cell is installed, so that the field of application of the solar cell can be greatly expanded.
【図１】本発明の耐候性調色フィルムの実施の形態を示
す断面図である。FIG. 1 is a sectional view showing an embodiment of a weather-resistant toning film of the present invention.
【図２】本発明の太陽電池の実施の形態を示す断面図で
ある。FIG. 2 is a sectional view showing an embodiment of the solar cell of the present invention.
【図３】本発明の太陽電池の別の実施の形態を示す断面
図である。FIG. 3 is a sectional view showing another embodiment of the solar cell of the present invention.
【図４】一般的な太陽電池を示す断面図である。FIG. 4 is a cross-sectional view showing a general solar cell.
１ ガラス基板 ２ バックカバー ３Ａ，３Ｂ 封止膜 ４ シリコン発電素子 １０ 耐候性調色フィルム １１ 耐候性透明樹脂層 １２ 着色ＥＶＡ層 DESCRIPTION OF SYMBOLS 1 Glass substrate 2 Back cover 3A, 3B sealing film 4 Silicon power generation element 10 Weatherproof toning film 11 Weatherproof transparent resin layer 12 Colored EVA layer
───────────────────────────────────────────────────── フロントページの続き Ｆターム(参考） 4F100 AG00 AK01A AK18A AK23A AK25A AK68B BA02 BA03 BA07 CA02 CA13 GB41 HB00B HB21 JA20A JA20B JK06 JL09 JL09A JL10B JN01A JN30 YY00A YY00B 5F051 BA18 HA15 JA05 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 4F100 AG00 AK01A AK18A AK23A AK25A AK68B BA02 BA03 BA07 CA02 CA13 GB41 HB00B HB21 JA20A JA20B JK06 JL09 JL09A JL10B JN01A JN30 YY00A YY00B 5F051 BA
Claims (6)
ン−酢酸ビニル共重合体樹脂層とを積層一体化してなる
耐候性調色フィルム。1. A weather-resistant toning film obtained by laminating and integrating a weather-resistant transparent resin layer and a colored ethylene-vinyl acetate copolymer resin layer.
がエチレン−四フッ化エチレン共重合体樹脂、ポリビニ
ルホルマール樹脂又はアクリル樹脂よりなることを特徴
とする耐候性調色フィルム。2. The weather-resistant toning film according to claim 1, wherein the weather-resistant transparent resin layer is made of an ethylene-tetrafluoroethylene copolymer resin, a polyvinyl formal resin or an acrylic resin.
樹脂層の厚さが５０〜６００μｍで、エチレン−酢酸ビ
ニル共重合体樹脂層の厚さが５〜６００μｍであること
を特徴とする耐候性調色フィルム。3. The method according to claim 1, wherein the thickness of the weather-resistant transparent resin layer is 50 to 600 μm, and the thickness of the ethylene-vinyl acetate copolymer resin layer is 5 to 600 μm. Weather resistant toning film.
の耐候性調色フィルムを、エチレン−酢酸ビニル共重合
体樹脂層が接着面となるように表面に貼り合わせてなる
太陽電池。4. A solar cell comprising the weather-resistant toning film according to any one of claims 1 to 3 bonded to a surface such that the ethylene-vinyl acetate copolymer resin layer serves as an adhesive surface.
透明保護部材と裏面側保護部材との間に太陽電池用セル
を封止してなり、該表面側透明保護部材が前記耐候性調
色フィルムであることを特徴とする太陽電池。5. The solar cell according to claim 4, wherein a solar cell is sealed between the front-side transparent protective member and the back-side protective member, and the front-side transparent protective member is provided with the weather resistance. A solar cell characterized by being a color film.
側透明保護部材と裏面側保護部材との間に太陽電池用セ
ルを封止してなり、該耐候性調色フィルムは該表面側透
明保護部材に貼着されていることを特徴とする太陽電
池。6. The solar cell according to claim 4, wherein the solar cell is sealed between the front-side transparent protective member and the back-side protective member, and the weather-resistant toning film is formed on the front side. A solar cell, which is attached to a transparent protective member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22139799A JP4284768B2 (en) | 1999-08-04 | 1999-08-04 | Weather-resistant toning film for solar cell and solar cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22139799A JP4284768B2 (en) | 1999-08-04 | 1999-08-04 | Weather-resistant toning film for solar cell and solar cell |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001047568A true JP2001047568A (en) | 2001-02-20 |
| JP4284768B2 JP4284768B2 (en) | 2009-06-24 |
Family
ID=16766128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22139799A Expired - Fee Related JP4284768B2 (en) | 1999-08-04 | 1999-08-04 | Weather-resistant toning film for solar cell and solar cell |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4284768B2 (en) |
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| JP2006159497A (en) * | 2004-12-03 | 2006-06-22 | Du Pont Mitsui Polychem Co Ltd | Laminate and its use |
| US7202410B2 (en) * | 2001-04-20 | 2007-04-10 | Sharp Kabushiki Kaisha | Photovoltaic module having light receptive, glass laminate structure and photovoltaic module having light receptive, multi-layer structure |
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