METHOD FOR OBTAINING NANOSTRUCTURED COAL TAR ASPHALT Russian patent published in 2018 - IPC C01B32/158 C10C3/00 

FIELD: manufacturing technology.

SUBSTANCE: invention relates to a technology for producing graphitized structural materials with increased physical and mechanical characteristics for the creation of carbon products. Proposed is a method for producing nanostructured coal tar asphalt, which comprises mixing crushed coal tar asphalt particles in a solid state with carbon nanotubes in a dispersed state in an inert gas atmosphere when an electrostatic field is applied to a mixture of particles in a unipolar corona discharge at electric field strengths from 1 to 6 kV/cm, heating the mixture above the softening temperature with constant stirring and cooling. According to the method, the crushed coal tar asphalt particles in the solid state have a size of -250 mcm, the heating of the mixture being carried out to a temperature that is twice as high as the coal tar asphalt softening temperature, and cooling is conducted until the chipped pieces are obtained.

EFFECT: invention provides an improvement in the characteristics of coal tar asphalt and carbon-carbon composites based on them.

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