TRANSFORMER OIL Russian patent published in 2009 - IPC C10M169/04 C10M101/02 C10M129/10 C10N40/16 

Abstract RU 2373265 C1

FIELD: chemistry.

SUBSTANCE: invention relates to oil refining. The transformer oil contains, wt %: antioxidant additive - up to 0.5 and a basic support - up to 100. The basic support contains, wt %: 30 to 70 support 1 and 30 to 70 support 2. Support 1 is mineral oil obtained from a narrow 250 to 340°C fraction of diesel oil through hydrorefining, hydrodewaxing, hydrogenation with subsequent fractionation. Support 2 is a 280°C to 360°C fraction of isoparaffin oil, obtained from oil paraffin (300°C-K.K fraction) through hydrorefining, hydrodewaxing, hydrogenation of paraffins with subsequent fractionation.

EFFECT: improved viscosity-temperature characteristics, dielectric and electrical insulating properties.

4 tbl, 2 ex

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RU 2 373 265 C1

Authors

Moroshkin Jurij Georgievich

Evseev Vladimir Sergeevich

Balashov Roman Dmitrievich

Klimov Dmitrij Stefanovich

Romanenko Nina Vladimirovna

Evseev Anton Vladimirovich

Dates

2009-11-20Published

2008-05-05Filed