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2. 发明申请

US20160083565A1 PTFE RESIN COMPOSITION 审中-公开
标题翻译： PTFE树脂组合物
公开(公告)号：US20160083565A1
公开(公告)日：2016-03-24
申请号：US14765278
申请日：2014-05-02
申请人： EAGLE INDUSTRY CO., LTD.
发明人： Takanobu Matsumoto
IPC分类号： C08K7/06
CPC分类号： C08K7/06 , C09K3/1009 , C08L27/18
摘要： Disclosed is a PTFE resin composition comprising 70 to 90 wt. % of polytetrafluoroethylene or modified polytetrafluoroethylene, and 30 to 10 wt. % of curved carbon fibers. The PTFE resin composition, which is prepared by blending a specific amount of curved carbon fibers with PTFE or modified PTFE, can be effectively used as a molding material that can provide a water pump lip seal material having excellent deformation resistance, abrasion resistance, and sealing properties against cooling water. In particular, even when this composition is used as a vehicle cooling water circulating pump seal, the falling of the carbon fibers can be effectively prevented even under severe conditions, i.e., cooling water seal, and the leakage of cooling water caused by deformation and abrasion during use does not occur; thus, the sealing properties thereof can be sufficiently satisfied.
摘要翻译：公开了一种PTFE树脂组合物，其包含70〜90重量％％的聚四氟乙烯或改性聚四氟乙烯，和30〜10wt。％的弯曲碳纤维。通过将特定量的弯曲碳纤维与PTFE或改性PTFE共混而制备的PTFE树脂组合物可以有效地用作能够提供具有优异变形抗力，耐磨性和密封性的水泵唇形密封材料的成型材料冷却水性能。特别是即使将该组合物用作车辆冷却水循环泵密封件，即使在严酷的条件下，即冷却水封和由变形和磨损引起的冷却水的泄漏，也能够有效地防止碳纤维的落下在使用过程中不会发生; 因此，可以充分满足其密封性。

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