BITUMEN DIELECTRIC VARNISH Russian patent published in 1998 - IPC

Abstract RU 2119934 C1

FIELD: technology of production of paint and varnish materials. SUBSTANCE: invention relates to bitumen-base electrotechnical materials used as impregnating compositions. Method involves producing the saturated epoxy ester (40-45% in white spirit) followed by its combination with 40-45% bitumen solution in white spirit at 115-125 C for 2-3 h. EFFECT: increased drying rate, improved dielectric indices. 1 tbl, 3 ex

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RU 2 119 934 C1

Authors

Evtushenko Ju.M.

Komarov I.G.

Komarova V.K.

Karpushina N.A.

Ptitsina E.V.

Dates

1998-10-10—Published

1996-12-05—Filed