Abstract

 
 
 Impact of the process of modification on graphite structure at the application of fluorine-containing oligomer - chloroperfluorododecylfluoro sulfate has been studied. It was shown that during this process graphite structure doesn’t change. Only particles of chloroperfluorododecylfluoro sulfate are destructed into monolayers, which are spread in graphite intercrystalline voids. At the mechanical impact it protects graphite from destruction and correspondingly, improves some of its tribotechnical characteristics.
 
 
Highlights
Thanks to its unique properties is widely used in various spheres of human activity, including production of antifriction materials [1,2]
Diffraction picture obtained from fluorinecontaining oligomer -12- chloroperfluorododecylfluoro sulfate (FDS) is analogous to diffraction obtained from paraffin and other substances possessing laminated structure
In diffraction pattern of polytetrafluoro ethylene (PTFE), the high-molecular analogue of FDS, the main maximum corresponds to d2 = 4,90 Å, and the remaining two reflexes are at 2θ 37,3 and 41,50
Summary
Thanks to its unique properties is widely used in various spheres of human activity, including production of antifriction materials [1,2]. In solid antifriction materials it can be used as a matrix, as well as additive; in plastic and liquid lubricants –as admix, and in polymer self-lubricating antifriction materials - as filler. Exploitation properties of these materials depend significantly on the properties of graphite. Selection of modified graphite for any definite material is made according to definite technical demands. Widening of nomenclature of such modified graphite is a rather urgent task
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