发明名称 |
Ethylene-tetrafluoroethylene and tetrafluoroethylene-hexafluoropropylene copolymer films excellent in light transparency |
摘要 |
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 mum. 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 mum.
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申请公布号 |
US2002098371(A1) |
申请公布日期 |
2002.07.25 |
申请号 |
US20010993659 |
申请日期 |
2001.11.27 |
申请人 |
ASAHI GLASS COMPANY, LIMITED |
发明人 |
HIGUCHI YOSHIAKI;JITSUGIRI YUKIO |
分类号 |
B29C55/02;B29D7/01;B32B27/28;C08J5/18;(IPC1-7):B32B27/08 |
主分类号 |
B29C55/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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