Catalyst component for olefin polymerization, catalyst, and use thereof

Patent metadata

Field	Value
Publication number	US-10662268-B2
Application number	US-201716336103-A
Country	US
Kind code	B2
Filing date	Sep 22, 2017
Priority date	Sep 23, 2016
Publication date	May 26, 2020
Grant date	May 26, 2020

Abstract

Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high long-term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.

First claim

The invention claimed is:

1. A catalyst component for olefin polymerization, comprising magnesium, titanium, halogen, and an internal electron donor, wherein the internal electron donor comprises an imine compound with a ketone group as shown in Formula I,

wherein, in Formula I, R is selected from flail the group consisting of hydroxyl, C 1 -C 20 alkyl with or without a halogen atom substitute, C 2 -C 20 alkenyl with or without a halogen atom substitute group, and C 6 -C 30 aryl with or without a halogen atom substitute group; R 1 and R 2 are identical to or different from each other, each independently selected from flail the group consisting of hydrogen, C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 1 -C 20 alkoxy, C 6 -C 30 arylalkyl, C 6 -C 30 alkylaryl, C 9 -C 40 fused aryl, halogen atoms, and hydroxyl; A is (CR 3 R 4 ) n or a heteroatom, wherein R 3 and R 4 are identical to or different from each other, each independently selected from flail the group consisting of hydrogen, C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 6 -C 30 arylalkyl, C 6 -C 30 alkylaryl, and C 9 -C 40 fused aryl, and n is 0, 1, 2, 3, 4, 5, or 6.

2. The catalyst component according to claim 1 , wherein, based on the weight of the catalyst component, a content of magnesium is in a range of 5 wt %-50 wt %, a content of titanium is in a range of 1.0 wt %-8.0 wt %, a content of halogen is in a range of 10 wt %-70 wt %, and a content of the internal electron donor is in a range of 0.1 wt %-20 wt %.

3. The catalyst component according to claim 1 , wherein R is methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, pentyl, hexyl, hydroxyalkyl, phenyl, halogenated phenyl, alkyl-substituted phenyl, naphthyl, biphenyl, or a heterocycle-containing group.

4. The catalyst component according to claim 1 , wherein each of R 1 , R 2 , R 3 , and R 4 is independently selected from the group consisting of methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, and pentyl.

5. The catalyst component according to claim 1 , wherein the heteroatom is halogen, nitrogen, oxygen, phosphorus, or silicon atom.

6. The catalyst component according to claim 1 , wherein the imine compound with a ketone group as shown in Formula I is one or more selected from the following compounds: 4-butylimino-2-pentanone, 4-pentylimino-2-pentanone, 4-hexylimino-2-pentanone, 4-octylimino-2-pentanone, 4-[(1-hydroxymethyl)propylimino]-2-pentanone, 4-hydroxypropylimino-2-pentanone, 4-hydroxyethylimino-2-pentanone, 4-hydroxybutylimino-2-pentanone, 4-isopropylimino-2-pentanone, 4-(4-chlorophenylimino)-2-pentanone, 4-(2,4-dichlorophenylimino)-2-pentanone, 4-(4-trifluoromethylphenylimino)-2-pentanone, 4-phenylimino-2-pentanone, 4-(1-naphthylimino)-2-pentanone, 4-(2-naphthylimino)-2-pentanone, 4-(2,6-dimethylphenylimino)-2-pentanone, 4-(2-hydroxypropylphenylimino)-2-pentanone, 4-(2,6-diisopropylphenylimino)-2-pentanone, 4-(2,4,6-trimethylphenylimino)-2-pentanone, 4-(8-quinolylimino)-2-pentanone, 4-(4-quinolylimino)-2-pentanone, 4-(3-quinolylimino)-2-pentanone, 4-(2-chloro-6-hydroxyphenylimino)-2-pentanone, 1,1,1-trifluoro-4-(2,6-diisopropylphenylimino)-2-pentanone, 1,1,1-trifluoro-4-(2,6-dimethylphenylimino)-2-pentanone, 3-methyl-4-(2,6-dimethylphenylimino)-2-pentanone, 3-ethyl-4-(2,6-dimethylphenylimino)-2-pentanone, 3-isopropyl-4-(2,6-dimethylphenylimino)-2-pentanone, 3-butyl-4-(2,6-dimethylphenylimino)-2-pentanone, 3-methyl-4-(2,6-diisopropylphenylimino)-2-pentanone, 3-ethyl-4-(2,6-diisopropylphenylimino)-2-pentanone, 3-isopropyl-4-(2,6-diisopropylphenylimino)-2-pentanone, 3-butyl-4-(2,6-diisopropylphenylimino)-2-pentanone, 1-(2-furyl)-3-(2,6-diisopropylphenylimino)-4,4,4-trifluoro-1-butanone, 1-(2-furyl)-3-(8-quinolylimino)-4,4,4-trifluoro-1-butanone, 1-(2-furyl)-3-(2,6-dimethylphenylimino)-4,4,4-trifluoro-1-butanone, 2-hexylimino-4-heptanone, 2-isopropylimino-4-heptanone, 4-hexylimino-2-heptanone, 4-isopropylimino-2-heptanone, 4-(2-trimethylsilyl)ethylimino-2-pentanone, 5-phenylimino-3-heptanone, 5-(1-naphthylimino)-3-heptanone, 5-(2-naphthylimino)-3-heptanone, 5-(8-quinolylimino)-3-heptanone, 5-(4-quinolylimino)-3-heptanone, 5-(3-quinolylimino)-3-heptanone, 5-(2,6-diisopropylphenylimino)-3-heptanone, 5-(2,6-dimethylphenylimino)-3-heptanone, 5-butylimino-3-heptanone, 5-isopropylimino-3-heptanone, 5-hydroxyethylimino-3-heptanone, 5-hydroxybutylimino-3-heptanone, 4-ethyl-5-(8-quinolylimino)-3-heptanone, 4-methyl-5-(8-quinolylimino)-3-heptanone, 4-ethyl-5-(1-naphthylimino)-3-heptanone, 4-ethyl-5-(2-naphthylimino)-3-heptanone, 4-ethyl-5-phenylimino-3-heptanone, 4-butyl-5-phenylimino-3-heptanone, 4-methyl-5-(2,6-diisopropylphenylimino)-3-heptanone, 4-ethyl-5-(2,6-diisopropylphenylimino)-3-heptanone, 4-isopropyl-5-(2,6-diisopropylphenylimino)-3-heptanone, 4-butyl-5-(2,6-diisopropylphenylimino)-3-heptanone, 4-methyl-5-(2,6-dimethylphenylimino)-3-heptanone, 4-ethyl-5-(2,6-dimethylphenylimino)-3-heptanone, 3-isopropylimino-5-octanone, 3-(2,6-diisopropylphenylimino)-5-octanone, 5-isopropylimino-3-octanone, 6-isopropylimino-4-octanone, 5-(2,6-diisopropylphenylimino)-2-heptanone, 5-(2,4,6-trimethylphenylimino)-2-heptanone, 4-methyl-5-(2,6-dimethylphenylimino)-2-heptanone, 4-ethyl-6-(2,6-diisopropylphenylimino)-2-heptanone, 4-isopropyl-6-(2,6-diisopropylphenylimino)-2-heptanone, 6-(2,6-dimethylphenylimino)-3-octanone, 3-(2,6-diisopropylphenylimino)-1,3-diphenyl-1-acetone, 4-(2,6-diisopropylphenylimino)-4-phenyl-2-butanone, dimethylphenylimino)-1,3-diphenyl-1-acetone, 3-(2,6-diisopropylphenylimino)-1-phenyl-1-butanone, 3-(2,6-dimethylphenylimino)-1-phenyl-1-butanone, 3-(8-quinolylimino)-1,3-diphenyl-1-acetone, and 3-(3-quinolylimino)-1,3-diphenyl-1-acetone.

7. The catalyst component according to claim 1 , wherein the internal electron donor further comprises at least one additional electron donor compound selected from the group consisting of aromatic carboxylate ester compounds, diol ester compounds, diether compounds, and mixtures thereof.

8. The catalyst component according to claim 7 , wherein a molar ratio of the imine compound with a ketone group as shown in Formula I to the additional electron donor compound is in a range of 1:(0.05-20).

9. The catalyst component according to claim 7 , wherein the aromatic carboxylate ester compound is as shown in Formula II,

wherein in Formula II, R I is C 1 -C 20 alkyl with or without a halogen atom substitute, C 2 -C 20 alkenyl with or without a halogen atom substitute, C 2 -C 20 alkynyl with or without a halogen atom substitute, or C 6 -C 30 alkylaryl with or without a halogen atom substitute;
is C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 2 -C 20 alkynyl, or C 6 -C 30 alkylaryl or ester group or amido group; R III , R IV , R V , and R VI are identical to or different from each other, each independently selected from the group consisting of C 1 -C 20 alkyl, C 2 -C 20 alkenyl, C 2 -C 20 alkynyl, C 1 -C 20 alkoxy, C 6 -C 30 arylalkyl, C 6 -C 30 alkylaryl, C 9 -C 40 fused aryl, and halogen;
the diol ester compound is as shown in Formula III,

wherein in Formula III, each of X and Y is independently selected from the group consisting of carbon, oxygen, sulfur, nitrogen, boron, and silicon; R 1 and R 2 are identical to or different from each other, each independently selected from the group consisting of halogen, alkyl, cycloalkyl, aryl, alkenyl, fused aryl, and ester group; R 3 -R 6 are identical to or differ

Assignees

• China Petroleum & Chem Corp
• Beijing Res Inst Chemical Ind China Petroleum & Chemical Corp

Inventors

• Wang Jun
• Gao Mingzhi
• Ma Jing
• Liu Haitao
• Chen Jianhua
• Cai Xiaoxia
• Ma Jixing
• Hu Jianjun
• Li Changxiu
• Zhang Zhihui
• Ma Changyou

Classifications

• C08F4/651

  Pretreating with non-metals or metal-free compounds · CPC title

• C08F10/06 Primary

  Propene · CPC title

• C08F2500/12

  Melt flow index or melt flow ratio · CPC title

• C08F110/06 Primary

  Propene · CPC title

• C08F2500/15

  Isotactic · CPC title