POLYMER COMPOSITION FOR CONTROLLING ELECTRIC FIELD INTENSITY Russian patent published in 2020 - IPC H01B3/00 H02G15/04 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electrical engineering and can be used in electric insulating materials used in production of items intended for termination and connection of electric cables. Polymer composition for electric field strength control contains butadiene-nitrile rubber, crushed ilmenite concentrate as current-conducting filler and inorganic dielectric filler with high dielectric permeability, plasticizer and an adhesive additive with the following ratio of components, wt%: butadiene-nitrile rubber 15–25, titanium dioxide 40–60, ilmenite concentrate 15–25, plasticiser 5–15, petroleum polymer resin fraction C9 5–7.

EFFECT: invention increases protection against penetration of oil.

1 cl, 2 tbl