Bayer Aktiengesellschaft

Lothar Havenith

Karlfried Wedemeyer

Alfons Klein

Rudolf Kron

Ernst Knust

Rolf Kron

Compositions containing ditolyl ethers have outstanding dielectric properties. They are particularly suitable for use as impregnating agents in condensers.

Dielectric impregnating fluid and its use

A dielectric composition comprising a mixture of monoisopropylated diphenyls and polyisopropylated diphenyls, especially a mixture of 30 to 60 parts by weight of monoisopropylated diphenyls and 70 to 40 parts by weight of polyisopropylated diphenyls, the polyisopropylated diphenyls preferably being made up in turn of 60 to 85 parts by weight of diisopropylated diphenyls, 10 to 35 parts by weight of triisopropylated diphenyls and 0.5 to 5 parts by weight of tetraisopropylated diphenyls, these latter amounts being based upon the total amount of the polyisopropylated diphenyls.

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Leverkusen, Germany

Lothar Havenith