JP5392252B2 - ポリクロロトリフルオロエチレンフィルム及び太陽電池用裏面保護シート - Google Patents
ポリクロロトリフルオロエチレンフィルム及び太陽電池用裏面保護シート Download PDFInfo
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- JP5392252B2 JP5392252B2 JP2010513054A JP2010513054A JP5392252B2 JP 5392252 B2 JP5392252 B2 JP 5392252B2 JP 2010513054 A JP2010513054 A JP 2010513054A JP 2010513054 A JP2010513054 A JP 2010513054A JP 5392252 B2 JP5392252 B2 JP 5392252B2
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- Prior art keywords
- pctfe
- film
- fluororesin
- laminate
- thermal deformation
- 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.)
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- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 title claims description 173
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 title claims description 173
- -1 Polychlorotrifluoroethylene Polymers 0.000 title claims description 38
- 230000001681 protective effect Effects 0.000 title claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 22
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- 229920001577 copolymer Polymers 0.000 claims description 18
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- 230000005540 biological transmission Effects 0.000 claims description 15
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- 230000035699 permeability Effects 0.000 claims description 8
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 50
- 239000004594 Masterbatch (MB) Substances 0.000 description 34
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- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 15
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 14
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- MJNIWUJSIGSWKK-UHFFFAOYSA-N Riboflavine 2',3',4',5'-tetrabutanoate Chemical compound CCCC(=O)OCC(OC(=O)CCC)C(OC(=O)CCC)C(OC(=O)CCC)CN1C2=CC(C)=C(C)C=C2N=C2C1=NC(=O)NC2=O MJNIWUJSIGSWKK-UHFFFAOYSA-N 0.000 description 10
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- KHXKESCWFMPTFT-UHFFFAOYSA-N 1,1,1,2,2,3,3-heptafluoro-3-(1,2,2-trifluoroethenoxy)propane Chemical compound FC(F)=C(F)OC(F)(F)C(F)(F)C(F)(F)F KHXKESCWFMPTFT-UHFFFAOYSA-N 0.000 description 2
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- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 description 2
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- 229910052783 alkali metal Inorganic materials 0.000 description 2
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
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- IYAZLDLPUNDVAG-UHFFFAOYSA-N 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol Chemical compound CC(C)(C)CC(C)(C)C1=CC=C(O)C(N2N=C3C=CC=CC3=N2)=C1 IYAZLDLPUNDVAG-UHFFFAOYSA-N 0.000 description 1
- 229920001780 ECTFE Polymers 0.000 description 1
- FMRHJJZUHUTGKE-UHFFFAOYSA-N Ethylhexyl salicylate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1O FMRHJJZUHUTGKE-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000002947 alkylene group Chemical group 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
- 239000012965 benzophenone Substances 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
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- 238000012662 bulk polymerization Methods 0.000 description 1
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- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 238000013037 co-molding Methods 0.000 description 1
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- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
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- 238000010790 dilution Methods 0.000 description 1
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- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 125000003709 fluoroalkyl group Chemical group 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
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- 239000012567 medical material Substances 0.000 description 1
- 210000000885 nephron Anatomy 0.000 description 1
- MMCOUVMKNAHQOY-UHFFFAOYSA-L oxido carbonate Chemical compound [O-]OC([O-])=O MMCOUVMKNAHQOY-UHFFFAOYSA-L 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
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- 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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Description
紫外線カット率(%)=100−透過率(%)
熱変形率={(加熱後の長さ)−(加熱前の長さ)}÷(加熱前の長さ)×100
CX3X4=CX1(CF2)nX2 (I)
(式中、X1、X3及びX4は、同一若しくは異なって、H、F又はCF3を表し、X2は、水素原子、フッ素原子又は塩素原子を表し、nは、1〜10の整数を表す。)で表されるビニル単量体、下記一般式(II)
CF2=CF−OCH2−Rf1 (II)
(式中、Rf1は、炭素数1〜5のパーフルオロアルキル基を表す。)で表されるアルキルパーフルオロビニルエーテル誘導体、下記一般式(III)
CH2=CH−COOR (III)
(式中、Rは、直鎖状であっても分枝鎖状であってもよい炭素数1〜20の炭化水素基又は水素原子を表す。)で表されるアクリル系化合物、及び、下記一般式(IV)
CX5X6=CF(CF2)a−O−Rf2−Z (IV)
(式中、X5及びX6は、同一又は異なって、H又はFであり、aは0又は1であり、Rf2は、エーテル結合を含んでいてもよい炭素数1〜20の含フッ素アルキレン基であり、Zは、−OH、−CH2OH、−COOM(Mは、H又はアルカリ金属を表す。)、カルボキシル基由来基、−SO3M(Mは、H又はアルカリ金属を表す。)、スルホン酸由来基、エポキシ基、−CN、−I及び−Brからなる群より選択される官能基を表す。)で表される化合物
等が挙げられる。
CF2=CF−ORf3 (V)
(式中、Rf3は、炭素数1〜8のパーフルオロアルキル基を表す。)で表されるパーフルオロ(アルキルビニルエーテル)であることが好ましい。
H2C=CX7−Rf4 (VI)
(式中、X7は、H、F又はCF3であり、Rf4は、炭素数1〜10のパーフルオロアルキル基である。)で表されるパーフルオロ(アルキル)エチレン等が挙げられる。
CH2=CFCF2O−{CF(CF3)CF2O}n1−CF(CF3)−Z
CF2=CFO−{CF2CF(CF3)O}n1−CF2CF2−Z
CF2=CFO−{CF2CF2}n1−Z
(各式中、Zは上記定義と同じ。n1は、1〜10の整数を表す。)が挙げられる。
CX8X9=CX10(CX11X12)b(C=O)c(O)d−Rf5(VII)
(式中、X8及びX9は、H又はFであり、X10は、H、F、CH3又はCF3であり、X11及びX12はH、F又はCF3であり、bは0〜3の整数であり、c、dは0又は1であり、Rf5はエーテル結合を含んでいてもよい炭素数1〜20の含フッ素アルキル基である。)で表される化合物に由来するものが挙げられ、中でも、パーフルオロ(1,1,1−トリハイドロ−ヘキセン)、パーフルオロ(1,1,5−トリハイドロ−1−ペンテン)、CTFEに由来するものが好ましい。
H2C=CF−Rf6 (VIII)
(式中、Rf6は、炭素数2〜10のフルオロアルキル基である)で表されるフルオロビニル化合物が挙げられる。
H2C=CF(CF2)n2H (IX)
(式中、n2は、2〜10の数である。)
で表されるフルオロビニル化合物が好ましく、中でもn=3〜5であるものが好ましい。
PCTFEと、カーボンブラックとを混合してマスターバッチを得た後、PCTFEとマスターバッチとを混合し、330℃以上で成形する方法、
ETFE及びFEPからなる群より選択される少なくとも1種のフッ素樹脂と、カーボンブラックとを混合してマスターバッチを得た後、PCTFEとマスターバッチとを混合し、フィルムに成形する方法、
PCTFEと、カーボンブラックと、ETFE及びFEPからなる群より選択される少なくとも1種のフッ素樹脂と、を混合し、フィルムに成形する方法、
等が挙げられる。
ETFE及びFEPからなる群より選択される少なくとも1種のフッ素樹脂(但し、PCTFEを除く)と、金属酸化物と、任意でPCTFEと、を混合してマスターバッチを得た後、PCTFEとマスターバッチとを混合し、フィルムに成形する方法、
PCTFEと、酸化チタン及び酸化亜鉛からなる群より選択される少なくとも1種の金属酸化物と、ETFE及びFEPからなる群より選択される少なくとも1種のフッ素樹脂(但し、PCTFEを除く)と、を混合し、フィルムに成形する方法、
等が挙げられる。
フローテスターCFT−500C(島津製作所製)を用いて、温度230℃、荷重100kgfで、直径1mm×長さ1mmのオリフィスに通して押し出し、1秒間あたりに流れる樹脂の体積を測定した。
日立社製分光光度計(U−4100)により360nm波長の透過率(%)を測定し、以下の式から求めた。
紫外線カット率(%)=100−透過率(%)
PERMATRAN−W3/31(MOCON社製)を用い、JIS−7129 B法に準拠して測定を行った。試験条件は、温度40℃、湿度90%RHとした。
50mm×50mmサイズに切断したフィルムサンプルを150℃の電気炉に30分間放置し、押出し流れ方向(MD)および押出し流れ方向と垂直方向(TD)についてそれぞれ加熱前の長さと加熱後の長さを測定し、次式によって熱変形率を算出した。
熱変形率={(加熱後の長さ)−(加熱前の長さ)}÷(加熱前の長さ)×100
積層体を温度85℃、湿度85%の恒温恒湿槽に500時間放置し、取り出した後の状態を目視で観察した。
積層体の剥離強度をテンシロン引張り試験機(ORIENTEC社製)にて測定した。測定条件は、剥離速度25mm/分、180°剥離で行った。
スーパーUV促進試験機(岩崎電気社製)を用い、パネル温度60℃、200時間照射後の積層体の剥離強度をテンシロン引張り試験機(ORIENTEC社製)にて測定した。測定条件は、剥離速度25mm/分、180°剥離で行った。
スガ試験機社製 SMカラーコンピューター SM−7型を用い、白色標準板をカラースタンダードとし、試料サンプルとのYI値の差をΔYI値とした。ΔYI値の数値が大きいほど、黄色度が大きいことを表す。
PCTFEパウダー(融点:212℃、フロー値:3.6×10−3cc/sec)とアセチレンブラック(デンカ社製デンカブラック)を重量比で90:10となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、320℃で溶融混練してマスターバッチ(MB)を作製した。
紫外線吸収剤を添加せずにPCTFEナチュラルペレットを50mmφTダイ押出機でダイ温度300℃で25μm厚みの透明PCTFEフィルムを得た以外は参考例1と同様にラミネート加工により積層体を得て、同じ評価を行った。
アセチレンブラック10%の代わりにベンゾフェノン系紫外線吸収剤(BASF社製UVINUL3000)5%を用いた以外は参考例1と同様にMBを作製した。成形中にPCTFEが分解し、茶色に着色、発泡し、MB作製は不可能であった。
アセチレンブラック10%の代わりにベンゾトリアゾール系紫外線吸収剤(シプロ化成社製SEESORB709)5%を用いた以外は参考例1と同様にMBを作製した。成形中にPCTFEが分解し、茶色に着色、発泡し、MB作製は不可能であった。
アセチレンブラック10%の代わりに酸化チタン10%を用いた以外は参考例1と同様にMBを作製した。成形中にPCTFEが分解、発泡し、MB作製は不可能であった。
アセチレンブラック10%の代わりに酸化亜鉛10%を用いた以外は参考例1と同様にMBを作製した。成形中にPCTFEが分解、発泡し、MB作製は不可能であった。
フィルム成形時のダイ温度を300℃としたこと以外は参考例1と同様にフィルムを作製し、同様の評価を行った。
フィルム成形時のダイ温度を320℃としたこと以外は参考例1と同様にフィルムを作製し、同様の評価を行った。
PCTFEパウダーの代わりにエチレン/テトラフルオロエチレン共重合体(ETFE)(ダイキン工業社製:ネオフロンETFE EP−610)パウダーを用い、これとアセチレンブラック(デンカ社製デンカブラック)を重量比で88:12となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で90/10となるようにペレット混合し、50mmφTダイ押出機でダイ温度300℃で25μm厚みの黒色PCTFEフィルムを得た。得られたフィルムのフロー値、UVカット率、水蒸気透過度、熱変形率を測定した。
PCTFEパウダーの代わりにテトラフルオロエチレン/ヘキサフルオロプロピレン共重合体(FEP)(ダイキン工業社製:ネオフロンFEP NP−20)パウダーを用い、これとアセチレンブラック(デンカ社製デンカブラック)を重量比で85:15となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、360℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で90/10となるようにペレット混合し、50mmφTダイ押出機でダイ温度300℃で25μm厚みの黒色PCTFEフィルムを得た。得られたフィルムのフロー値、UVカット率、水蒸気透過度、熱変形率を測定した。
PCTFEパウダーの代わりにエチレン/テトラフルオロエチレン共重合体(ETFE)(ダイキン工業社製:ネオフロンETFE EP−610)パウダーを用い、これと酸化チタン(堺化学社製FTR−700)を重量比で70:30となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で90/10となるようにペレット混合し、50mmφTダイ押出機でダイ温度320℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した。
PCTFEパウダー、FEPパウダー及び酸化チタンを重量比で35:35:30となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で80/20となるようにペレット混合し、50mmφTダイ押出機でダイ温度300℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した。
PCTFEパウダー、FEPパウダー及び酸化亜鉛(堺化学社製酸化亜鉛1種、平均粒径0.8μm)を重量比で35:35:30となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で80/20となるようにペレット混合し、50mmφTダイ押出機でダイ温度310℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した。
PCTFEパウダー、FEPパウダー及び酸化亜鉛(堺化学社製酸化亜鉛1種、平均粒径0.8μm)を重量比で35:35:30となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で70/30となるようにペレット混合し、50mmφTダイ押出機でダイ温度310℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した。
PCTFEパウダー、ETFEパウダー及び酸化亜鉛(堺化学社製酸化亜鉛1種、平均粒径0.8μm)を重量比で35:35:30となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で70/30となるようにペレット混合し、50mmφTダイ押出機でダイ温度310℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した
PCTFEパウダー、ETFEパウダー及び酸化亜鉛(堺化学社製酸化亜鉛1種微粉タイプ、平均粒径0.3μm)を重量比で35:35:30となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練してマスターバッチ(MB)を作製した。PCTFEナチュラルペレットと得られたMBを重量比で70/30となるようにペレット混合し、50mmφTダイ押出機でダイ温度310℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した。
PCTFEパウダー、ETFEパウダー及び酸化亜鉛(堺化学社製、平均粒径0.8μm)を重量比で81:10:9となるように混合し、この混合パウダーを20mmφの二軸押出機(東洋精機製作所製)に供給し、300℃で溶融混練して、プレミックスペレットを作製した。得られたプレミックスペレットを50mmφTダイ押出機でダイ温度300℃で25μm厚みの白色PCTFEフィルムを得た。得られたフィルムのUVカット率、水蒸気透過度、熱変形率、イエローインデックス(ΔYI)を測定した。
PCTFEフィルムの厚みを18μmとした以外は参考例10と同様にしてPCTFEフィルム及び積層体を得て、物性を評価した。
PCTFEフィルムの厚みを50μmとした以外は参考例10と同様にしてPCTFEフィルム及び積層体を得て、物性を評価した。
Claims (6)
- 紫外線カット率が70%以上、水蒸気透過度が1.00g/m2・day以下、かつ、150℃で30分加熱した後の熱変形率の絶対値が5.0%以下であり、
カーボンブラックの添加量がポリクロロトリフルオロエチレンに対して0.2〜4.0質量%であり、
テトラフルオロエチレン/エチレン共重合体、及び、テトラフルオロエチレン/ヘキサフルオロプロピレン共重合体からなる群より選択される少なくとも1種のフッ素樹脂を含む
ことを特徴とするポリクロロトリフルオロエチレンフィルム。 - 紫外線カット率が95.0%以上である請求項1記載のポリクロロトリフルオロエチレンフィルム。
- 水蒸気透過度が0.50g/m2・day以下である請求項1又は2記載のポリクロロトリフルオロエチレンフィルム。
- 熱変形率の絶対値が2.0%以下である請求項1、2又は3記載のポリクロロトリフルオロエチレンフィルム。
- 請求項1、2、3又は4記載のポリクロロトリフルオロエチレンフィルムと、前記ポリクロロトリフルオロエチレンフィルムとは異なる樹脂製シートと、を含むことを特徴とする積層体。
- 請求項1、2、3又は4記載のポリクロロトリフルオロエチレンフィルム又は請求項5記載の積層体を備えることを特徴とする太陽電池用裏面保護シート。
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PCT/JP2009/059329 WO2009142259A1 (ja) | 2008-05-22 | 2009-05-21 | ポリクロロトリフルオロエチレンフィルム及び太陽電池用裏面保護シート |
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US10000616B2 (en) | 2010-01-14 | 2018-06-19 | Daikin Industries, Ltd. | Weatherable sheet for solar cell module, product obtained using the sheet, and process for producing the weatherable sheet for solar cell module |
FR2955051B1 (fr) * | 2010-01-14 | 2013-03-08 | Arkema France | Film resistant a l'humidite a base de polymere fluore et d'oxyde inorganique pour application photovoltaique |
JP2013104989A (ja) * | 2011-11-14 | 2013-05-30 | Furukawa Electric Co Ltd:The | 光ケーブル |
KR102264949B1 (ko) | 2013-12-27 | 2021-06-14 | 에이지씨 가부시키가이샤 | 수지 조성물 |
WO2015136531A2 (en) * | 2014-03-10 | 2015-09-17 | Yissum Research Development Company Of The Hebrew University Of Jerusalem Ltd | Light absorbing films |
JP6398265B2 (ja) * | 2014-03-31 | 2018-10-03 | 大日本印刷株式会社 | 太陽電池モジュール裏面保護シート |
CN103910954A (zh) * | 2014-04-29 | 2014-07-09 | 苏州新区华士达工程塑胶有限公司 | 改性聚三氟氯乙烯塑料 |
EP4282906A1 (en) * | 2021-01-20 | 2023-11-29 | Daikin Industries, Ltd. | Fluororesin film, copper-clad laminate and substrate for circuits |
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US20110073167A1 (en) | 2011-03-31 |
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WO2009142259A1 (ja) | 2009-11-26 |
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US20140329952A1 (en) | 2014-11-06 |
JP5641081B2 (ja) | 2014-12-17 |
CN102027050A (zh) | 2011-04-20 |
CN102027050B (zh) | 2014-05-07 |
CN103304936A (zh) | 2013-09-18 |
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