Invention Grant
- Patent Title: Modified polytetrafluoroethylene powder and method for producing tetrafluoroethylene polymer
- Patent Title (中): 改性聚四氟乙烯粉末及四氟乙烯聚合物的制造方法
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Application No.: US11547557Application Date: 2005-04-04
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Publication No.: US08883313B2Publication Date: 2014-11-11
- Inventor: Yoshinori Nanba , Yasuhiko Sawada , Shunji Kasai , Shuji Tagashira , Makoto Ono , Takahiro Taira , Hiroyuki Yoshimoto
- Applicant: Yoshinori Nanba , Yasuhiko Sawada , Shunji Kasai , Shuji Tagashira , Makoto Ono , Takahiro Taira , Hiroyuki Yoshimoto
- Applicant Address: JP Osaka
- Assignee: Daikin Industries, Ltd.
- Current Assignee: Daikin Industries, Ltd.
- Current Assignee Address: JP Osaka
- Agency: Sughrue Mion, PLLC
- Priority: JP2004-113639 20040407
- International Application: PCT/JP2005/006599 WO 20050404
- International Announcement: WO2005/097847 WO 20051020
- Main IPC: C08F259/08
- IPC: C08F259/08 ; C08F214/26 ; C08F14/26 ; H05K1/03 ; H05K1/02
Abstract:
The present invention provides a polytetrafluoroethylene powder having moldability/processability as well as electrical characteristics in microwave bands. The present invention is a modified polytetrafluoroethylene powder which has (1) a dielectric loss tangent at 12 GHz of not higher than 2.0×10−4 and (2) a cylinder extrusion pressure of not higher than 45 MPa at a reduction ratio of 1600.
Public/Granted literature
- US20080281067A1 Modified Polytetrafluoroethylene Powder and Method for Producing Tetrafluoroethylene Polymer Public/Granted day:2008-11-13
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