- Patent Title: Porous polytetrafluoroethylene film and method for producing same
-
Application No.: US14758641Application Date: 2014-06-23
-
Publication No.: US09695291B2Publication Date: 2017-07-04
- Inventor: Fumihiro Hayashi , Aya Murata , Hiroyuki Tsujiwaki , Atsushi Uno
- Applicant: SUMITOMO ELECTRIC FINE POLYMER, INC.
- Applicant Address: JP Sennan-gun, Osaka
- Assignee: SUMITOMO ELECTRIC FINE POLYMER, INC.
- Current Assignee: SUMITOMO ELECTRIC FINE POLYMER, INC.
- Current Assignee Address: JP Sennan-gun, Osaka
- Agency: Drinker Biddle & Reath LLP
- Priority: JP2013-138037 20130701
- International Application: PCT/JP2014/066555 WO 20140623
- International Announcement: WO2015/002001 WO 20150108
- Main IPC: B01D69/02
- IPC: B01D69/02 ; B01D71/06 ; B29C55/12 ; B01D67/00 ; C08J5/18 ; B29C67/20 ; B01D71/32 ; B01D71/36 ; B29C55/00 ; B29K27/18 ; B29L7/00 ; B29K105/04
Abstract:
A porous polytetrafluoroethylene film comprising a fluororesin containing polytetrafluoroethylene as a main component, wherein an envelope surface area of resin fibers included per film having an area of 1 m2 and a thickness of 25 μm is 4,000 m2 or more, and a melting point peak is 333° C. or lower.
Public/Granted literature
- US20150337098A1 POROUS POLYTETRAFLUOROETHYLENE FILM AND METHOD FOR PRODUCING SAME Public/Granted day:2015-11-26
Information query
