发明授权
- 专利标题： Phosphazene derivatives and use of same as stabilizers for oils and greases based on perfluoropolyethers
- 专利标题（中）： 磷腈衍生物和基于全氟聚醚的油和油脂稳定剂的使用
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申请号： US149034申请日： 1993-11-08
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公开(公告)号： US5441655A公开(公告)日： 1995-08-15
- 发明人: Paolo Odello , Walter Navarrini , Richard D. Chambers , Costante Corti
- 申请人： Paolo Odello , Walter Navarrini , Richard D. Chambers , Costante Corti
- 申请人地址： ITX Milan
- 专利权人： Ausimont, S.p.A.
- 当前专利权人： Ausimont, S.p.A.
- 当前专利权人地址： ITX Milan
- 优先权： ITXMI92A2569 19921110
- 主分类号： C07F9/535
- IPC分类号： C07F9/535 ; C07F9/6581 ; C07F9/6593 ; C08G79/02 ; C10M169/00 ; C10M169/04 ; C10N20/02 ; C10N30/06 ; C10N30/10 ; C10N50/10 ; C10M137/16
摘要：
New phosphazene derivatives, fully substituted by aromatic groups and perfluoropolyethereal chains, are utilized as stabilizers for oils and greases based on perfluoropolyethers. Such derivatives inhibit the degradation process affecting the perfluoropolyethereal chains when these are subjected to high temperatures in an oxidizing atmosphere and in the presence of metals, such as for example aluminum, titanium, vanadium and their alloys, or steels.
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