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    • 8. 发明公开
    • ÖL-MODIFIZIERTE PTFE-FESTSCHMIERSTOFFE UND VERFAHREN ZU DEREN HERSTELLUNG
    • ÖL-MODIFIZIERTE PTFE-FESTSCHMERERSTOFFE UND VERFAHREN ZU DEREN HERSTELLUNG
    • EP3230419A1
    • 2017-10-18
    • EP15820450.3
    • 2015-12-09
    • Leibniz-Institut für Polymerforschung Dresden e.V.
    • LEHMANN, DieterHOFFMANN, Thorsten
    • C10M147/04C08J3/02C08J3/09C10M107/38
    • C10M147/04C08J3/095C08J3/28C08J2327/18C10M107/38C10M2205/0285C10M2207/283C10M2213/062C10M2213/0623C10M2213/0626C10M2223/049C10N2230/06C10N2250/10C10N2270/00
    • The invention concerns the field of chemistry and relates to oil-modified PTFE solid lubricants which can be used as additives for example or form the base material for oil-PTFE dispersions, oil-PTFE grease, or oil-PTFE lubricant pastes that can be used in special lubricants or as special lubricants and in solid lubricants or as solid lubricants for oil-free transmissions for example in the fields of mechanical engineering, automotive engineering, and aerospace. The aim of the invention is to provide oil-modified PTFE solid lubricants which can be handled and metered more easily and which are readily further processable and to provide a simple and inexpensive method for producing same. This is achieved by a method for producing oil-modified PTFE solid lubricants, wherein modified PTFE micropowder with at least perfluoralkyl-(peroxy-)radicals and an oil or an oil mixture, which has olefinically unsaturated double bonds, are mixed at a mass ratio of modified PTFE micropowder to oil or oil mixture of 100 to maximally 10 and reactively converted under mechanical stress with residence times of
    • 本发明涉及化学领域并且涉及油改性的PTFE固体润滑剂,其可以用作例如添加剂或形成可用于油 - PTFE分散体,油 - PTFE润滑脂或油 - PTFE润滑剂糊剂的基础材料 用于特殊润滑剂或特殊润滑剂,固体润滑剂或用于无油变速器的固体润滑剂,例如机械工程,汽车工程和航空航天领域。 本发明的目的是提供油改性的PTFE固体润滑剂,其可以更容易地处理和计量,并且容易进一步加工并且提供用于生产它的简单和便宜的方法。 这通过生产油改性PTFE固体润滑剂的方法实现,其中具有至少全氟烷基(过氧基)自由基和具有烯属不饱和双键的油或油混合物的改性PTFE微粉以质量比 的改性PTFE超细粉对100或最多10的油或油混合物并在机械应力下以<10分钟的停留时间进行反应性转化。