| 发明名称 |
Ultrafine fiber of an ethylene tetrafluoride copolymer and a process for producing it and a porous membrane thereof |
| 摘要 |
Ultrafine fiber of an ethylene tetrafluoride copolymer having an orientation degree ( pi ) of at least 0.6 and an average fineness of 0.0001 to 0.9 denier. A process for producing such fiber or a porous membrane thereof is also disclosed.
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| 申请公布号 |
US4632873(A) |
申请公布日期 |
1986.12.30 |
| 申请号 |
US19840596112 |
申请日期 |
1984.04.02 |
| 申请人 |
KUREHA KAGAKU KOGYO KABUSHIKI KAISHA |
发明人 |
MIZUNO, TOSHIYA;MORIYAMA, NOBUHIRO;MURAYAMA, NAOHIRO;SAITOH, SHIGERU |
| 分类号 |
D01F6/32;D01F8/10;(IPC1-7):D02G3/00;B32B27/00 |
主分类号 |
D01F6/32 |
| 代理机构 |
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