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2 248 389

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IPC

(21) (22)

Application

2003111232/04, 2003-04-22

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Start date

2003-04-22

(22)

Actual filing date

2003-04-22

(45)

Published

2005-03-20

(72)

Inventor

Struk Vasilij AleksandrovichKostjukovich Gennadij AleksandrovichLjuty MartinKravchenko Viktor IvanovichSkaskevich Aleksandr AleksandrovichAvdejchik Sergej ValentinovichOvchinnikov Evgenij Vital'Evich

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo

LUBRICANT COMPOSITION Russian patent published in 2005 - IPC

Abstract RU 2248389 C2

FIELD: lubricant composition for heavy-loaded friction assembly and mechanism.

SUBSTANCE: claimed material contains (mass %) dispersion additive 0.1-22; and balance: lubricant base (petroleum or synthetic oil and stiffener). As dispersion additive nanoparticles, modified by fluorine-containing oligomer with molecular weight of 2000-5000 Da of general formula R_f-R₁ wherein R_fis fluorine-containing radical; and R₁is end functional group (e.g., -OH, -NH₂, -COOH, -CF₃) in ratio nanoparticles/oligomer of 100:1 - 1:100 are used.

EFFECT: lubricant composition of improved tribotechnical characteristics; decreased additive content; reduced deterioration of lubricant friction couple with details maid from nonferrous metal.

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RU 2 248 389 C2

Authors

Struk Vasilij Aleksandrovich

Kostjukovich Gennadij Aleksandrovich

Ljuty Martin

Kravchenko Viktor Ivanovich

Skaskevich Aleksandr Aleksandrovich

Avdejchik Sergej Valentinovich

Ovchinnikov Evgenij Vital'Evich

Dates

2005-03-20—Published

2003-04-22—Filed