Invention Grant
US08795843B2 Acrylic film for punching, surface light-source device and process for manufacturing optical member
有权
用于冲压的丙烯酸膜，表面光源装置和用于制造光学构件的工艺
- Patent Title: Acrylic film for punching, surface light-source device and process for manufacturing optical member
- Patent Title (中): 用于冲压的丙烯酸膜，表面光源装置和用于制造光学构件的工艺
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Application No.: US13384048Application Date: 2010-07-09
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Publication No.: US08795843B2Publication Date: 2014-08-05
- Inventor: Yuuhei Konokawa , Yoshiaki Satou , Kousuke Fujiyama , Yasuhiko Nabeshima , Tomoyoshi Yamashita
- Applicant: Yuuhei Konokawa , Yoshiaki Satou , Kousuke Fujiyama , Yasuhiko Nabeshima , Tomoyoshi Yamashita
- Applicant Address: JP Tokyo
- Assignee: Mitsubishi Rayon Co., Ltd.
- Current Assignee: Mitsubishi Rayon Co., Ltd.
- Current Assignee Address: JP Tokyo
- Agency: Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P.
- Priority: JP2009-166045 20090714; JP2010-001189 20100106
- International Application: PCT/JP2010/061659 WO 20100709
- International Announcement: WO2011/007720 WO 20110120
- Main IPC: B32B27/32
- IPC: B32B27/32 ; B32B27/00 ; B29D11/00 ; C08F2/46
Abstract:
Provided is an acrylic film for punching excellent in transparency and free from breakage or whitening even if it is punched. The present invention is an acrylic film for punching containing a polymer (C) containing a di(meth)acrylate (A) unit represented by general formula (1) below and a mono(meth)acrylate (B) unit: —CH2—CR1—COO—(X)n—COCR1—CH2— (1) wherein (X) represents at least one repeat unit selected from C2H4O, C3H6O and C4H8O; the molecular weight of (X)n is 500 or more; and R1 represents H or CH3.
Public/Granted literature
- US20120127757A1 ACRYLIC FILM FOR PUNCHING, SURFACE LIGHT-SOURCE DEVICE AND PROCESS FOR MANUFACTURING OPTICAL MEMBER Public/Granted day:2012-05-24
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