ADHESIVE FOR ELECTROINSULATING TAPES Russian patent published in 1994 - IPC

FIELD: electrical and rubber engineering industry. SUBSTANCE: the adhesive for electroinsulating tapes comprises (wt %): 2.0-8.0 natural rubber plasticate; 4.0-5.0 synthetic isoprene rubber; 11.0-11.5 thermomechanical tyre reclaimed rubber; 0.36-0.40 N-phenylnaphhylamine-2; 52.5-53.0 natural chalk; 7.5-7.9 mineral oil based on paraddinonaphthenic hydrocarbons; 15.37-21.37 oxidized atactic polypropylene having an average viscosity molecular weight of 4000-5000 and a relative content of the carbonyl groups according to the IR spectrum with J₁₇₂₀/J₁₄₈₀ of 1.3-1.4. EFFECT: improved properties of the adhesive. 3 tbl