Invention Grant
- Patent Title: Process for producing polyimide film, and polyimide film
- Patent Title (中): 聚酰亚胺膜的制造方法和聚酰亚胺膜
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Application No.: US11911081Application Date: 2006-04-07
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Publication No.: US08415024B2Publication Date: 2013-04-09
- Inventor: Hideki Iwai , Kazuyuki Hamada , Yasuhiro Nagoshi
- Applicant: Hideki Iwai , Kazuyuki Hamada , Yasuhiro Nagoshi
- Applicant Address: JP Ube-shi
- Assignee: Ube Industries, Ltd.
- Current Assignee: Ube Industries, Ltd.
- Current Assignee Address: JP Ube-shi
- Agency: Knobbe Martens Olson & Bear LLP
- Priority: JP2005-110481 20050407
- International Application: PCT/JP2006/307505 WO 20060407
- International Announcement: WO2006/109753 WO 20061019
- Main IPC: B32B15/00
- IPC: B32B15/00 ; B32B27/06 ; C08G69/26 ; B05D1/00 ; B05D3/10 ; B05D3/02
Abstract:
An organic liquid is applied to both sides of a self-supporting film of a polyimide precursor solution, and then the self-supporting film is heated to effect imidization, thereby providing a polyimide film with reduced surface roughness.
Public/Granted literature
- US20090297837A1 PROCESS FOR PRODUCING POLYIMIDE FILM, AND POLYIMIDE FILM Public/Granted day:2009-12-03
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