发明授权
- 专利标题: Production method of drawn film
- 专利标题(中): 拉膜生产方法
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申请号: US10093539申请日: 2002-03-11
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公开(公告)号: US06852270B2公开(公告)日: 2005-02-08
- 发明人: Atsuhiro Takata , Ryuma Kuroda , Satoshi Hanada , Takeshi Yamada
- 申请人: Atsuhiro Takata , Ryuma Kuroda , Satoshi Hanada , Takeshi Yamada
- 申请人地址: JP Osaka
- 专利权人: Sumitomo Chemical Company, Limited
- 当前专利权人: Sumitomo Chemical Company, Limited
- 当前专利权人地址: JP Osaka
- 代理机构: Sughrue Mion, PLLC
- 优先权: JP2001-073340 20010315; JP2001-117008 20010416
- 主分类号: B29C43/24
- IPC分类号: B29C43/24 ; B29C55/00 ; B29C55/08 ; C08J5/18 ; B29C67/20
摘要:
A drawn film production method including steps of drawing a crystalline thermoplastic resin film in the TD direction is characterized in that the orientation coefficient of the c-axis of the crystal of the thermoplastic resin in the film to the MD direction of the film is 0.8 or higher.
公开/授权文献
- US20030032687A1 Production method of drawn film 公开/授权日:2003-02-13
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