JP5783902B2 - 太陽電池の光電地要素のための白色顔料を含む不透明フルオロポリマー組成物 - Google Patents
太陽電池の光電地要素のための白色顔料を含む不透明フルオロポリマー組成物 Download PDFInfo
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- JP5783902B2 JP5783902B2 JP2011531484A JP2011531484A JP5783902B2 JP 5783902 B2 JP5783902 B2 JP 5783902B2 JP 2011531484 A JP2011531484 A JP 2011531484A JP 2011531484 A JP2011531484 A JP 2011531484A JP 5783902 B2 JP5783902 B2 JP 5783902B2
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- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000012463 white pigment Substances 0.000 description 1
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Description
α(cm−1)=−Log10(TT)/t
(tはcmにおいての試料の厚さである)で導くことによって、本発明の組成物の光学的性質を比較することが容易になることがある。
(A−1)TFEおよび/またはCTFEとエチレン、プロピレンまたはイソブチレン(好ましくはエチレン)とのコポリマーであって、ペル(ハロ)フルオロモノマー/水素化コモノマーのモル比が30:70から70:30までであり、場合により、TFEおよび/またはCTFEと水素化コモノマーとの合計量に基づいて0.1〜30モル%の量で1つまたは複数のコモノマーを含有していてもよいコポリマー(たとえば、米国特許第3,624,250号明細書および米国特許第4,513,129号明細書を参照);(A−2)フッ化ビニリデン(VDF)ポリマーであって、場合により、VDFとは異なった1つまたは複数のフッ素化コモノマーから誘導された繰り返し単位を一般的には0.1〜15モル%の間の量で含んでいてもよく(たとえば、米国特許第4,524,194号明細書および米国特許第4,739,024号明細書を参照)、場合によりさらに、1つまたは複数の水素化コモノマーを含んでいてもよいポリマー;およびそれらの混合物。
(a)35〜65モル%、好ましくは45〜55モル%、より好ましくは48〜52モル%のエチレン(E);(b)65〜35モル%、好ましくは55〜45モル%、より好ましくは52〜48モル%のクロロトリフルオロエチレン(CTFE)(ECTFEポリマーの場合、以後同じ)またはテトラフルオロエチレン(TFE)(ETFEポリマーの場合、以後同じ);ならびに、場合により(c)モノマー(a)および(b)の合計量に基づいて0.1〜30モル%、好ましくは0.1〜10モル%、より好ましくは0.1〜5モル%の1つまたは複数のフッ素化コモノマー(c1)および/または水素化コモノマー(c2)。
1.次の一般式を有するアクリルモノマー:
CH2=CH−CO−O−R2
[式中、R2は上述の意味を有する]。好適なアクリルモノマーの非限定的な例としては、特に、エチルアクリレート、n−ブチルアクリレート、アクリル酸、ヒドロキシエチルアクリレート、ヒドロキシプロピルアクリレート,(ヒドロキシ)エチルヘキシルアクリレートを挙げることができる。
2.次の一般式を有するビニルエーテルモノマー:
CH2=CH−O−R2
[式中、R2は上述の意味を有する]。好適なビニルエーテルモノマーの非限定的な例としては、特に、プロピルビニルエーテル、シクロヘキシルビニルエーテル、ビニル−4−ヒドロキシブチルエーテルを挙げることができる。
3.次の一般式を有するカルボン酸のビニルモノマー:
CH2=CH−O−CO−R2
[式中、R2は上述の意味を有する]。好適なカルボン酸のビニルモノマーの非限定的な例としては、特に、ビニル−アセテート、ビニルプロピオネート、ビニル−2−エチルヘキサノエートを挙げることができる。
4.次の一般式を有する不飽和カルボン酸モノマー:
CH2=CH−(CH2)n−COOH
[式中、nは上述の意味を有する]。好適な不飽和カルボン酸モノマーの非限定的な例としては、特に、ビニル酢酸を挙げることができる。
(a’)少なくとも60モル%、好ましくは少なくとも75モル%、より好ましくは85モル%のフッ化ビニリデン(VDF);(b’)場合により、0.1〜15モル%、好ましくは0.1〜12モル%、より好ましくは0.1〜10モル%の、フッ化ビニル(VF)、クロロトリフルオロエチレン(CTFE)、ヘキサフルオロプロペン(HFP)、テトラフルオロエチレン(TFE)、ペルフルオロメチルビニルエーテル(MVE)、トリフルオロエチレン(TrFE)およびそれらの混合物から選択されるフッ素化コモノマー;ならびに(c’)場合により、モノマー(a’)および(b’)の合計量に基づいて0.1〜5モル%、好ましくは0.1〜3モル%、より好ましくは0.1〜1モル%の、1つまたは複数の水素化コモノマー。
MVEから誘導される繰返し単位3〜25モル%、好ましくは5〜20モル%、より好ましくは8〜18モル%、さらにより好ましくは10〜15モル%と、TFEから誘導される繰返し単位97〜75モル%、好ましくは95〜80モル%、より好ましくは92〜82モル%、さらにより好ましくは90〜85モル%。
PVDFは、商品名SOLEF(登録商標)6008として市販されており、172℃の融点(Tm2)および55J/gの融解熱(ΔH2f)を有するVDFホモポリマーである。
顔料は、商品名Sachtolich HD−Sとして市販されているZnS顔料である。
分散剤は、280℃および1rad×sec−1の剪断速度において5Pa×sの動的粘度を有し、205.9℃のTm2、ΔH2f=6.279J/gを有するTFE−ペルフルオロメチルビニルエーテル(MVE)コポリマーであり、MVEから誘導された繰り返し単位13モル%およびTFEから誘導された繰り返し単位87モル%からなる。
共に粉末の形態の顔料および分散剤は、上述の成分の必要とされた重量比を有する均質な粉末混合物を得るために三段階櫂形ミキサを備えた高速ミキサ内で予混合された。次に、この粉末混合物に、必要とされた量のPVDFを添加し、混合物を3分間300rpmで攪拌した。次に、粉末混合物を6つの温度帯および4mmの2孔ダイを備えた二軸30−34押出機(LEISTRITZ)で押出すことによって加工した。温度整定値は以下の通りである。
上述のように得られたフィルムに光学的試験および機械的試験の両方を実施する。
α(cm−1)=−Log10(TT)/t
によって求めた。
Claims (12)
- 50μmの厚さを有する試料上でASTM D1003に従って測定された時に15%未満の全視感透過率(TT)を有するフルオロポリマー組成物であって、
少なくとも1つの水素含有フルオロポリマー[ポリマー(A)]と、
酸化亜鉛顔料および硫化亜鉛顔料から選択される少なくとも1つの無機顔料[顔料(I)]を(A)の5〜80重量%と、
1rad×sec−1の剪断速度において、280℃の温度で100Pa×sec未満の動的粘度を有するテトラフルオロエチレン(TFE)コポリマーから選択された少なくとも1つのペル(ハロ)フルオロポリマー[ポリマー(B)]を(I)の1〜99重量%と
を含むフルオロポリマー組成物。 - 165cm−1より大きいα値を有し、α値が式:
α(cm−1)=−Log10(TT)/t
によって与えられ、
式中、TTはASTM D1003に従って測定された時の前記全視感透過率であり、tはcmにおいての前記試料の厚さである、請求項1に記載のフルオロポリマー組成物。 - ASTM E313によって提供されるように、少なくとも80の白色度指数(WI)を有する、請求項2に記載のフルオロポリマー組成物。
- 前記ポリマー(A)が、
(A−1)TFEおよび/またはCTFEとエチレン、プロピレンまたはイソブチレンとのコポリマーであって、ペル(ハロ)フルオロモノマー/水素化コモノマーのモル比が30:70から70:30までであるコポリマー;
(A−2)フッ化ビニリデン(VDF)ポリマーであって、VDFとは異なった1つまたは複数のフッ素化コモノマーから誘導された繰り返し単位を0.1〜15モル%の間の量で含んでいてもよいポリマー;および、
それらの混合物
から選択される、請求項1〜3のいずれか一項に記載のフルオロポリマー組成物。 - 前記ポリマー(A)が、
(a’)少なくとも60モル%のフッ化ビニリデン(VDF)と、
(b’)0.1〜15モル%の、フッ化ビニル(VF)、クロロトリフルオロエチレン(CTFE)、ヘキサフルオロプロペン(HFP)、テトラフルオロエチレン(TFE)、ペルフルオロメチルビニルエーテル(MVE)、トリフルオロエチレン(TrFE)およびそれらの混合物から選択されるフッ素化コモノマーと、
を含むVDFポリマー(A−2)である、請求項4に記載のフルオロポリマー組成物。 - ポリマー(B)が、
式CF2=CFORf1’に従うペルフルオロアルキルビニルエーテル[式中、Rf1’はC1〜C6ペルフルオロアルキルである];および/または
式CF2=CFOX0に従うペルフルオロ−オキシアルキルビニルエーテル[式中、X0は1つまたは複数のエーテル基を有するC1〜C12ペルフルオロオキシアルキルである];および/または
C3〜C8ペルフルオロオレフィン;
次式のペル(ハロ)フルオロジオキソール:
からなる群から選択された少なくとも1つのペル(ハロ)フルオロモノマーから誘導された繰り返し単位を含むTFEコポリマーから選択される、請求項1〜5のいずれか一項に記載のフルオロポリマー組成物。 - ポリマー(B)が、
MVEから誘導される繰返し単位3〜25モル%と、
TFEから誘導される繰返し単位97〜75モル%と
からなるテトラフルオロエチレン(TFE)/ペルフルオロメチルビニルエーテル(MVE)コポリマーである、請求項6に記載のフルオロポリマー組成物。 - 請求項1〜7のいずれか一項に記載のフルオロポリマー組成物の製造方法。
- 前記ポリマー(A)、前記顔料(I)および前記ポリマー(B)を混合する工程を含む、請求項8に記載の方法。
- 請求項1〜7のいずれか一項に記載のフルオロポリマー組成物を含むフィルムまたはシート。
- 太陽電池モジュール内での請求項10に記載のフィルムまたはシートの使用。
- 受光面側の前層と、請求項1〜7のいずれか一項に記載のフルオロポリマー組成物を含む少なくとも1つの層を含む後層との間に封入された少なくとも1つの光電池要素を含む太陽電池モジュール。
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Application Number | Priority Date | Filing Date | Title |
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EP08166755.2 | 2008-10-16 | ||
EP08166755 | 2008-10-16 | ||
PCT/EP2009/063457 WO2010043665A1 (en) | 2008-10-16 | 2009-10-15 | Opaque fluoropolymer composition comprising white pigments for photovoltaic elements of solar cells |
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EP (1) | EP2337817B1 (ja) |
JP (2) | JP5783902B2 (ja) |
KR (2) | KR20110079682A (ja) |
CN (1) | CN102186920B (ja) |
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KR101848942B1 (ko) * | 2010-04-30 | 2018-04-13 | 솔베이 스페셜티 폴리머스 이태리 에스.피.에이. | Vdf 중합체 조성물 |
CN103038061B (zh) | 2010-05-06 | 2016-09-28 | Lg化学株式会社 | 多层板及其制备方法 |
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- 2009-10-15 US US13/123,958 patent/US9006565B2/en not_active Expired - Fee Related
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- 2009-10-15 KR KR1020117009549A patent/KR20110079682A/ko active Application Filing
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ES2453972T3 (es) | 2014-04-09 |
KR20160062217A (ko) | 2016-06-01 |
US9006565B2 (en) | 2015-04-14 |
CN102186920A (zh) | 2011-09-14 |
JP2012505944A (ja) | 2012-03-08 |
JP2014167124A (ja) | 2014-09-11 |
US20110226333A1 (en) | 2011-09-22 |
WO2010043665A1 (en) | 2010-04-22 |
EP2337817B1 (en) | 2013-12-25 |
EP2337817A1 (en) | 2011-06-29 |
KR20110079682A (ko) | 2011-07-07 |
CN102186920B (zh) | 2015-04-22 |
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