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(19)

(11)

2 334 787

(13)

(51)

IPC

C10M135/04(2006-01-01)

C07C319/14(2006-01-01)

B01J31/18(2006-01-01)

(21) (22)

Application

2007110149/04, 2007-03-19

(24)

Start date

2007-03-19

(22)

Actual filing date

2007-03-19

(45)

Published

2008-09-27

(72)

Inventor

Popov Jurij Vasil'EvichLedenev Sergej MikhajlovichNagin Aleksandr Vladimirovich

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Volgogradskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF PRODUCTION OF SULPHUR-CONTAINING ADDITIVES Russian patent published in 2008 - IPC C10M135/04 C07C319/14 B01J31/18

Abstract RU 2334787 C1

FIELD: chemistry.

SUBSTANCE: application: synthesis of lubricant additives. Substance: α-olefins of fractions C₁₆-C₁₈ react with sulphur at 130-150°C during 2.5-3 h with catalyst taken in ratio to α-olefins as mass % 0.5-4.5. Catalyst is presented with reaction product of diisobutylphosphoric acid and butyl methacrylate taken in equimolar amounts at temperature 70-75°C.

EFFECT: higher sulphur content in additive and reduced additive production time.

1 tbl, 4 ex, 1 dwg

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RU 2 334 787 C1

Authors

Popov Jurij Vasil'Evich

Ledenev Sergej Mikhajlovich

Nagin Aleksandr Vladimirovich

Dates

2008-09-27—Published

2007-03-19—Filed