オレフィンの重合用前駆体および触媒成分 - Basel, Polyolefin, Italy, Sochieta, A Responsorabilita, Limitata

Title:

オレフィンの重合用前駆体および触媒成分

Document Type and Number:

Japanese Patent JP7038904

Kind Code:

B2

Abstract:

A Ziegler-Natta catalyst component precursor made from or containing a mechanical mixture of (a) distinct particles of adducts of formula MgCl2(R1OH)n where R is a C1-C8 alkyl group and n is from 0.2 to 6 having average particle size (P50a) ranging from 5 to 100 μm; and (b) from 0.2 to 5.0% by weight of distinct particles of a solid compound containing more than 50% by weight of Sift units and having average particle size (P50b), wherein the ratio P50b/P50a ranges from 0.4 to 1.5.

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Inventors:

Brita, Diego

Application Number:

JP2021512878A

Publication Date:

March 18, 2022

Filing Date:

September 17, 2019

Export Citation:

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Assignee:

Basel, Polyolefin, Italy, Sochieta, A Responsorabilita, Limitata

International Classes:

C08F4/02; C08F4/654; C08F10/00

Domestic Patent References:

JP2020517812A
JP2011511135A
JP3074341A
JP2003201310A
JP4226108A
JP2003137919A

Foreign References:

WO2019052900A1

Attorney, Agent or Firm:

Sato Eto

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