SU1572020A1 - HYDRAULIC FLUID - Google Patents

HYDRAULIC FLUID

Info

Publication number
SU1572020A1
SU1572020A1 SU4429696/04A SU4429696A SU1572020A1 SU 1572020 A1 SU1572020 A1 SU 1572020A1 SU 4429696/04 A SU4429696/04 A SU 4429696/04A SU 4429696 A SU4429696 A SU 4429696A SU 1572020 A1 SU1572020 A1 SU 1572020A1
Authority
SU
USSR - Soviet Union
Prior art keywords
hydraulic fluid
methylphenol
polyisobutylene
distillation
tert
Prior art date
Application number
SU4429696/04A
Other languages
Russian (ru)
Inventor
Н.П. Федянин
Ф.Р. Делова
И.Е. Долбилина
Е.В. Ипполитов
В.Б. Коптенармусов
М.Б. Катранов
Original Assignee
Коми филиал Всесоюзного научно-исследовательского института природных газов
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Коми филиал Всесоюзного научно-исследовательского института природных газов filed Critical Коми филиал Всесоюзного научно-исследовательского института природных газов
Priority to SU4429696/04A priority Critical patent/SU1572020A1/en
Application granted granted Critical
Publication of SU1572020A1 publication Critical patent/SU1572020A1/en

Links

Abstract

Гидравлическая жидкость на основе фракции тяжелой нефти, содержащая антиокислительную присадку, отличающаяся тем, что, с целью улучшения низкотемпературных и вязкостных свойств, в качестве фракции тяжелой нефти она содержит фракцию, выкипающую при 180 - 300C, в качестве антиокислительной присадки содержит кубовый остаток после отгонки 2,6-ди-трет-бутил-4-метилфенола при его производстве и дополнительно содержит раствор полиизобутилена в минеральном масле при следующем соотношении компонентов, мас.%:Кубовый остаток после отгонки 2,6-ди-трет-бутил-4-метилфенола - 5 - 6Раствор полиизобутилена в минеральном масле - 4 - 5Фракция тяжелой нефти, выкипающая при 180 - 300C - До 100Hydraulic fluid based on a heavy oil fraction containing an antioxidant additive, characterized in that, in order to improve its low-temperature and viscosity properties, it contains a fraction boiling away at 180 - 300C, as an anti-oxidant additive it contains VAT residue after distillation 2 , 6-di-tert-butyl-4-methylphenol in its production and additionally contains a solution of polyisobutylene in mineral oil in the following ratio, wt.%: VAT residue after distillation of 2,6-di-tert-bu thyl-4-methylphenol - 5 - 6 Solution of polyisobutylene in mineral oil - 4 - 5 Heavy oil fraction boiling away at 180 - 300 ° C - Up to 100

SU4429696/04A 1988-05-24 1988-05-24 HYDRAULIC FLUID SU1572020A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU4429696/04A SU1572020A1 (en) 1988-05-24 1988-05-24 HYDRAULIC FLUID

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4429696/04A SU1572020A1 (en) 1988-05-24 1988-05-24 HYDRAULIC FLUID

Publications (1)

Publication Number Publication Date
SU1572020A1 true SU1572020A1 (en) 1999-05-20

Family

ID=60529139

Family Applications (1)

Application Number Title Priority Date Filing Date
SU4429696/04A SU1572020A1 (en) 1988-05-24 1988-05-24 HYDRAULIC FLUID

Country Status (1)

Country Link
SU (1) SU1572020A1 (en)

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