发明申请
- 专利标题： WHITE POLYESTER FILM AND REFLECTION SHEET
- 专利标题（中）： 白色聚酯薄膜和反光片
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申请号： US12525356申请日： 2008-01-28
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公开(公告)号： US20100086736A1公开(公告)日： 2010-04-08
- 发明人: Takashi Ueda , Hideki Fujii , Tatsuo Yoshida , Kozo Takahashi , Masahiro Okuda , Kazunori Tanaka , Toshihiko Hiraoka
- 申请人： Takashi Ueda , Hideki Fujii , Tatsuo Yoshida , Kozo Takahashi , Masahiro Okuda , Kazunori Tanaka , Toshihiko Hiraoka
- 申请人地址： JP Tokyo
- 专利权人： TORAY INDUSTRIES, INC.
- 当前专利权人： TORAY INDUSTRIES, INC.
- 当前专利权人地址： JP Tokyo
- 优先权： JP2007-020578 20070131; JP2007-040487 20070221
- 国际申请： PCT/JP2008/051152 WO 20080128
- 主分类号： B32B3/00
- IPC分类号： B32B3/00 ; B32B5/16
摘要：
A white polyester film containing voids, wherein a resin constituting the film has a layer (layer A) formed by using a polyester resin and a cyclic olefin copolymerized resin, and wherein a void ratio taken in a cross-section of the layer is more than 25% and 75% or less and the average particle size of the cyclic olefin copolymerized resin in the film is 0.1 μm or more and 3 μm or less.
公开/授权文献
- US08197931B2 White polyester film and reflection sheet 公开/授权日：2012-06-12
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