PROCATALYST COMPOSITION CONTAINING SILYL ESTER AS INTERNAL DONOR Russian patent published in 2014 - IPC C08F4/656 C08F10/00

Abstract RU 2505548 C2

FIELD: chemistry.

SUBSTANCE: described is a procatalyst composition which contains a combination of a magnesium fragment, a titanium fragment and an internal electron donor, wherein the internal electron donor includes a silyl ester, having the structure: ,

where R₃-R₆ denote hydrogen, R₁ and R₂ are identical or different and each is selected from a group consisting of a hydrogen atom and a C_1-6 alkyl group. Described is a catalyst composition which includes said procatalyst composition and a cocatalyst and use thereof to produce an olefin-based polymer.

EFFECT: high activity of the catalyst composition.

7 cl, 9 tbl, 3 ex

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RU 2 505 548 C2

Authors

Chehn' Lin'Fehn

Leung Tak V.

Tao Tao

Dates

2014-01-27—Published

2009-11-23—Filed