Invention Grant
US09040135B2 Polyphenylsulfone-polytetrafluoroethylene blend for anti-wear tapes in flexible oil pipes
有权
聚苯砜 - 聚四氟乙烯共混物用于柔性油管中的耐磨带
- Patent Title: Polyphenylsulfone-polytetrafluoroethylene blend for anti-wear tapes in flexible oil pipes
- Patent Title (中): 聚苯砜 - 聚四氟乙烯共混物用于柔性油管中的耐磨带
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Application No.: US13883711Application Date: 2011-12-01
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Publication No.: US09040135B2Publication Date: 2015-05-26
- Inventor: Detlef Bumann , Albert Drexler , Ricardo Luiz Willemann
- Applicant: Detlef Bumann , Albert Drexler , Ricardo Luiz Willemann
- Applicant Address: DE Darmstadt
- Assignee: Evonik Röhm GmbH
- Current Assignee: Evonik Röhm GmbH
- Current Assignee Address: DE Darmstadt
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Priority: DE102011002687 20110114
- International Application: PCT/EP2011/071453 WO 20111201
- International Announcement: WO2012/095214 WO 20120719
- Main IPC: B32B1/08
- IPC: B32B1/08 ; B29C47/00 ; C08L81/06 ; C08J3/20 ; F16L57/06 ; B32B23/00
Abstract:
The invention relates to an improved blend of polyphenylsulfone (PPSU) and polytetrafluoroethylene (PTFE) for producing friction-reducing tapes (anti-wear tapes) used as a friction-reducing intermediate layer in flexible fluid pipes, e.g. oil pipes.
Public/Granted literature
- US20130230677A1 POLYPHENYLSULFONE-POLYTETRAFLUOROETHYLENE BLEND FOR ANTI-WEAR TAPES IN FLEXIBLE OIL PIPES Public/Granted day:2013-09-05
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