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2 080 670

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Application

93057154/07, 1993-12-23

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Actual filing date

1993-12-23

(45)

Published

1997-05-27

(72)

Inventor

Sukhanova I.V.Trezvov V.V.Radchenko G.N.Meshchanov G.I.Pivnenko V.T.Kudrjavtseva E.Ju.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Nauchno-Issledovatel'Skij, Proektno-Konstruktorskij I Tekhnologicheskij Institut Kabel'Noj Promyshlennosti"

ELECTRIC INSULATION COMPOUND FOR APPLICATION ON ELECTRIC CONDUCTOR Russian patent published in 1997 - IPC

Abstract RU 2080670 C1

FIELD: electrical engineering. SUBSTANCE: invention refers to electric insulation compounds for insulation of electric conductors both with use of varnish enameling technology and with deposition of melt at decreased temperature without deterioration of consumer properties of enameled wire. Proposed compound includes 42-70 mass parts of olygoetheroisocuanuratimide based on trimethyl anhydride, $$$ diaminodiphenylmethane and free terephtalic and isophtalic acids with mole proportion (10-17):1 with acid number 1-5 mg KON g, number of hydroxyl groups 6-7%; 1.26-2.1 mass parts of polybutyltitanate and 27.9-56.74 mass parts of solvent - monoethylester of diethyleneglycol. As oligoesterisocianuratamide compound includes product of interaction of trimellite anhydride, $$$-diaminodiphenylmethane, free terephtalic and isophtalic acids, ethyleneglycol, diethyleneglycol and tris (2 hydroxyethyl) of isocianourate. Compound may have mixture of monoethyl ester of diethleneglycol and phenilglycol with mass proportion (1-4):1 or mixture of monoethyl ester of diethyleneglycol and propylene carbonate with mass proportion (9-11.5): 1 as solvent. EFFECT: improved quality of insulation of electric wires. 4 cl, 3 tbl

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RU 2 080 670 C1

Authors

Sukhanova I.V.

Trezvov V.V.

Radchenko G.N.

Meshchanov G.I.

Pivnenko V.T.

Kudrjavtseva E.Ju.

Dates

1997-05-27—Published

1993-12-23—Filed

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