Ethylene-tetrafluoroethylene and tetrafluoroethylene-hexafluoropropylene copolymer films excellent in light transparency

An ethylene-tetrafluoroethylene copolymer film excellent in light transparency, which has a light transmittance of at least 90% at a wavelength of 300 nm when the film has a thickness of 25 m. A tetrafluoroethylene-hexafluoropropylene copolymer film excellent in light transparency, which has a light...

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Bibliographic Details
Main Authors Jitsugiri, Yukio, Higuchi, Yoshiaki
Format Patent
LanguageEnglish
Published 12.12.2002
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Summary:An ethylene-tetrafluoroethylene copolymer film excellent in light transparency, which has a light transmittance of at least 90% at a wavelength of 300 nm when the film has a thickness of 25 m. A tetrafluoroethylene-hexafluoropropylene copolymer film excellent in light transparency, which has a light transmittance of at least 90% at a wavelength of 250 nm when the film has a thickness of 25 m.