US 12,351,671 B2
Polyolefin catalyst component containing mesoporous material, preparation method therefor and use thereof
Yu Kang, Beijing (CN); Xinping Lyu, Beijing (CN); Dongbing Liu, Beijing (CN); Zifang Guo, Beijing (CN); Hongmei Liu, Beijing (CN); and Shiyuan Xu, Beijing (CN)
Assigned to CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN)
Appl. No. 17/288,071
Filed by CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN); and BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION, Beijing (CN)
PCT Filed Oct. 25, 2019, PCT No. PCT/CN2019/113373
§ 371(c)(1), (2) Date Apr. 23, 2021,
PCT Pub. No. WO2020/083386, PCT Pub. Date Apr. 30, 2020.
Claims priority of application No. 201811261730.1 (CN), filed on Oct. 26, 2018; application No. 201811261755.1 (CN), filed on Oct. 26, 2018; application No. 201811457344.X (CN), filed on Nov. 30, 2018; and application No. 201811459565.0 (CN), filed on Nov. 30, 2018.
Prior Publication US 2021/0380730 A1, Dec. 9, 2021
Int. Cl. C08F 110/02 (2006.01); C08F 4/02 (2006.01); C08F 4/642 (2006.01)
CPC C08F 4/6421 (2013.01) [C08F 4/6425 (2013.01); C08F 110/02 (2013.01); C08F 4/027 (2013.01); C08F 2410/06 (2021.01)] 20 Claims
OG exemplary drawing
 
1. A thermally activated mesoporous material, wherein the thermally activated mesoporous material is obtained by subjecting a mesoporous material to a thermal activation treatment performed under an inert atmosphere at a temperature of 300 to 900° C. for a period of time of 3 to 48 hours, and then to a chlorine-containing silane treatment and a ball-milling treatment, wherein the chlorine-containing silane treatment and the ball-milling treatment are carried out simultaneously or separately, wherein the mesoporous material is selected from the group consisting of:
a) an eggshell-like mesoporous material with a two-dimensional hexagonal channel structure, having a pore volume of from 0.5 to 1.5 mL/g, a specific surface area of from 100 to 500 m2/g, and an average pore size of from 5 to 15 nm;
b) a spherical mesoporous silica with a body-centered cubic structure, having a specific surface area of from 700 to 900 m2/g, a pore volume of from 0.5 to 1 mL/g, and an average pore size of from 1 to 5 nm; and
c) a hexagonal mesoporous material with a cubic cage-like channel structure, the crystal structure of which has a body-centered cubic Im3m structure, the hexagonal mesoporous material having an average pore size of from 4 to 15 nm, a specific surface area of from 450 to 550 m2/g, and a pore volume of from 0.5 to 1.5 mL/g.