OLEFIN POLYMERIZATION CATALYST, CATALYST COMPOSITION, PREPARATION METHOD THEREFOR AND USE THEREOF

WIPO Patent Application WO/2023/124895

A1

The present invention provides an olefin polymerization catalyst, a catalyst composition, a preparation method therefor and the use thereof. The preparation method for the olefin polymerization catalyst comprises the following steps: (1) dissolving a magnesium compound in an alcohol to perform a first reaction to obtain a first reaction solution; (2) adding a sulfonamide silane compound into the first reaction solution to perform a second reaction to obtain a second reaction solution; (3) adding the second reaction solution into a titanium compound to perform a third reaction to obtain a third reaction solution; and (4) heating the third reaction solution, keeping the temperature, and generating a solid so as to obtain the olefin polymerization catalyst. The olefin polymerization catalyst of the present invention has the advantages of uniform and narrow particle size distribution, low polymer fine powder content and good hydrogen response.

LI HONGMING (CN)
ZHANG MINGGE (CN)
YI JIANJUN (CN)
DOU TONGTONG (CN)
MENG ZIYI (CN)
LI RONGBO (CN)
HONG LIUTING (CN)
GAO YULI (CN)
ZHU BAICHUN (CN)
LEI JUNYU (CN)

PCT/CN2022/137837

July 06, 2023

December 09, 2022

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PETROCHINA CO LTD (CN)

C08F4/649; C08F4/654; C08F10/00; C08F10/02; C08F10/06

CN101323650A	2008-12-17
CN101628950A	2010-01-20
CN101735346A	2010-06-16
CN101735354A	2010-06-16
CN104356259A	2015-02-18

BEIJING SANYOU INTELLECTUAL PROPERTY AGENCY LTD. (CN)

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