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2 302 292

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IPC

B01J37/00(2006-01-01)

C08F4/70(2006-01-01)

B01J21/08(2006-01-01)

C07F15/02(2006-01-01)

(21) (22)

Application

2006118394/04, 2006-05-26

(24)

Start date

2006-05-26

(22)

Actual filing date

2006-05-26

(45)

Published

2007-07-10

(72)

Inventor

Zakharov Vladimir AleksandrovichSemikolenova Nina VladimirovnaIvanova Tamara Mikhajlovna

(73)

Holder

Institut Kataliza Im. G.K. Boreskova Sibirskogo Otdelenija Rossijskoj Akademii Nauk

METHOD OF PREPARING SUPPORTED OLEFIN POLYMERIZATION CATALYSTS Russian patent published in 2007 - IPC B01J37/00 C08F4/70 B01J21/08 C07F15/02 

Abstract RU 2302292 C1

FIELD: polymerization catalysts.

SUBSTANCE: invention relates to an area of supported olefin polymerization organometallic catalysts containing organometallic complex LMX2, wherein L represents bic(imido)pyridine, M period IV transition metal (Ti, V, Cr. Fe. Co), X halogen, alkoxy or alkyl group, deposited on oxide support, namely large-pore silica gel with pore volume no greater than 1.3 cm3/g and specific surface not exciding 250 m2/g, which, prior to deposition of complex LMX2, is treated with trialkylaluminum AlR3 (R = Et or i-Bu) followed by heating SiO2/AlR3 product and dehydroxylation of support obtained.

EFFECT: simplified and reduced in price method while preserving high catalyst activity and yield of polymer.

4 cl, 1 tbl, 11 ex

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RU 2 302 292 C1

Authors

Zakharov Vladimir Aleksandrovich

Semikolenova Nina Vladimirovna

Ivanova Tamara Mikhajlovna

Dates

2007-07-10—Published

2006-05-26—Filed

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