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2 582 124

(13)

C1

(51)

IPC

C10M159/00(2006-01-01)

C10N30/04(2006-01-01)

C10N30/10(2006-01-01)

C10N30/12(2006-01-01)

(21) (22)

Application

2015117666/04, 2015-05-12

(24)

Start date

2015-05-12

(22)

Actual filing date

2015-05-12

(45)

Published

2016-04-20

(72)

Inventor

Teljashev Raushan GumerovichObryvalina Anna NikolaevnaKhuramshin Rinat TalgatovichTeljashev Iskander RashitovichPejzel Emil SolomonovichKlinnikov Nikolaj LvovichPavlutkina Marina Pavlovna

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Nauchno-Issledovatelskij Institut Po Pererabotke Nefti" Np")

METHOD FOR PRODUCING LUBRICANT ADDITIVES Russian patent published in 2016 - IPC C10M159/00 C10N30/04 C10N30/10 C10N30/12 

Abstract RU 2582124 C1

FIELD: chemistry.

SUBSTANCE: present invention relates to a method for preparing lubricating oil additives by condensation of an alkylphenol with 37 % solution of formaldehyde in presence of a catalyst, followed by treating product of alkali-earth metal hydroxide in a diluent oil medium, wherein alkylphenol used is C8, C9, C12, C18 alkylphenols with molar ratio alkylphenol to formaldehyde of 1:0.6-1.3, process is conducted in presence of a solvent, catalyst is acidic or alkaline catalyst, alkali-earth metal hydroxide used is calcium hydroxide, and method comprises further carbonation by passing carbon dioxide through resulting product in presence of a promoter.

EFFECT: technical result of present invention to provide sulphur-free alkylphenol additives with base number of 200 mg KOH/g, which has high detergency, anti-oxidation and anti-corrosion properties.

4 cl, 9 ex, 1 tbl

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RU 2 582 124 C1

Authors

Teljashev Raushan Gumerovich

Obryvalina Anna Nikolaevna

Khuramshin Rinat Talgatovich

Teljashev Iskander Rashitovich

Pejzel Emil Solomonovich

Klinnikov Nikolaj Lvovich

Pavlutkina Marina Pavlovna

Dates

2016-04-20—Published

2015-05-12—Filed

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