Catalyst component for propene polymerization, preparation method thereof, and catalyst containing the same

Patent metadata

Field	Value
Publication number	US-10184017-B2
Application number	US-201515306247-A
Country	US
Kind code	B2
Filing date	Apr 24, 2015
Priority date	Apr 24, 2014
Publication date	Jan 22, 2019
Grant date	Jan 22, 2019

Abstract

The present invention discloses a catalyst component for propene polymerization, comprising titanium, magnesium, halogen, and internal electron donor A, wherein said internal electron donor A is selected from the compounds as shown in Formula I,

in Formula I, R is selected from hydrogen, hydroxyl, and substituted or unsubstituted C 1 -C 30 hydrocarbyl, preferably from hydrogen, hydroxyl, and substituted or unsubstituted C 1 -C 20 alkyl, C 6 -C 30 aryl, C 6 -C 30 heteroaryl, C 7 -C 30 alkylaryl and C 7 -C 30 arylalkyl; R 1 and R 2 may be identical to or different from each other, and are selected from hydrogen and substituted or unsubstituted C 1 -C 30 hydrocarbyl, preferably from hydrogen and substituted or unsubstituted C 1 -C 20 alkyl, C 6 -C 30 aryl, C 7 -C 30 alkylaryl and C 7 -C 30 arylalkyl. According to the present invention, by using the compound as shown in Formula I as internal electron donor compound for propene polymerization, the catalyst has a higher activity, and a slow rate of delay of activity. The obtained polymer has not only a wider molecular weight distribution, but also a high melt index and isotacticity.

First claim

The invention claimed is:

1. A catalyst component for propene polymerization comprising titanium, magnesium, halogen and internal electron donor A, wherein said internal electron donor A is selected from compounds as shown in the Formula I,

wherein, R is selected from hydrogen, hydroxyl, and substituted or unsubstituted C 1 -C 30 hydrocarbyl; R 1 and R 2 may be identical to or different from each other, and are selected from hydrogen and unsubstituted C 1 -C 20 alkyl, unsubstituted C 6 -C 30 aryl, and substituted or unsubstituted C 7 -C 30 arylalkyl.

2. The catalyst component according to claim 1 , wherein R is selected from hydrogen, hydroxyl, C 1 -C 10 alkyl, and halogen or hydroxy substituted C 6 -C 10 aryl, C 6 -C 15 heteroaryl, C 7 -C 15 arylalkyl and C 7 -C 15 alkylaryl; R 1 and R 2 may be identical to or different from each other, and are selected from hydrogen, unsubstituted C 1 -C 10 alkyl, unsubstituted C 6 -C 20 aryl, and substituted or unsubstituted.

3. A catalyst component for propene polymerization, comprising titanium, magnesium, and internal electron donor A, wherein said internal electron donor A is selected from compounds as shown in Formula II,

wherein, R is selected from hydrogen, hydroxyl, and unsubstituted C 1 -C 20 alkyl, unsubstituted C 6 -C 30 aryl, substituted or unsubstituted C 6 -C 30 heteroaryl, and substituted or unsubstituted C 7 -C 30 arylalkyl;
R 2 is selected from hydrogen, and substituted or unsubstituted C 1 -C 30 hydrocarbyl;
R 3 -R 7 may be identical to or different from each other, and are each independently selected from hydrogen, halogen atoms, hydroxyl, C 1 -C 10 alkyl, C 1 -C 10 alkoxy, C 6 -C 10 aryl, C 7 -C 12 alkylaryl, C 7 -C 12 arylalkyl, and C 2 -C 12 alkenyl;
R 3 -R 7 can be optionally bonded together to form a ring.

4. The catalyst component according to claim 1 , wherein said internal electron donor A is at least one selected from the group consisting of N-butylidene aniline, 2,6-dimethyl-N-butylidene aniline, 4-chloro-N-butylidene aniline, N-(2-methylpropylidene)aniline, N-butylidene parabromoaniline, 2,6-diisopropyl-N-(2-methylpropylidene)aniline, 2,6-diisopropyl-N-butylidene aniline, 4-trifluoromethyl-N-butylidene aniline, 2,4,6-trimethyl-N-butylidene aniline, N-(2-methylpropylidene)-1-butylamine, N-(2-methylpropylidene)-2-butylamine, N-hexylidene-1-hexylamine, N-hexylidene-1-octylamine, N-pentylidene-1-octylamine, 2,6-diisopropyl-N-heptamethyleneaniline, 2,6-diisopropyl-N-(2,2-diphenyl ethylidene)aniline, 2,6-dimethyl-N-(2,2-diphenylethylidene)aniline, N-(2-phenylethylidene)-8-amino quinoline, N-butylidene-3-amino quinoline, 2,6-dimethyl-N-hexylideneaniline, 2,6-diisopropyl-N-hexylideneaniline, 2,6-diisopropyl-N-(2-methylpropylidene)aniline, 2,6-dimethyl-N-(2-methylpropylidene)aniline, 2,6-diisopropyl-N-(diphenylmethylene)aniline, 2,6-dimethyl-N-(diphenylmethylene)aniline, 2,6-diisopropyl-N-(2-phenyl ethylidene)aniline, 2,6-dimethyl-N-(2-phenyl ethylidene)aniline, 4-methyl-N-(3-heptamethylene)aniline, N-heptamethyleneaniline, 2,6-diisopropyl-N-pentylideneaniline, 2,6-diisopropyl-N-(2-pentylidene)aniline, N-(3-pentylidene)-1-naphthylamine, N-(4-heptamethylene)-1-naphthylamine, 4-hydroxy-N-diphenylmethylene-1-naphthylamine, N-diphenylmethylenebenzylamine, N-(2-phenyl ethylidene)benzylamine, 2,6-dimethyl-N-(2,2-diphenyl ethylide2-(8-quinolylimino)methyl-4,6-ditertiary butylphenol ne)aniline, 2,6-diisopropyl N-(2,2-diphenyl ethylidene)aniline, N-(2,2-diphenyl ethylidene)aniline, N-(2,2-diphenyl ethylidene)-8-amino quinoline, N-(2,2-diphenyl ethylidene)-3-amino quinoline, N-phenylmethylene-2,6-diisopropylaniline, N-phenylmethylene-2,6-dimethylaniline, N-(2-naphthylmethylene)-2,6-diisopropylaniline, N-(1-naphthylmethylene)-2,6-diisopropylaniline, N-(1-naphthylmethylene)-2,6-dimethylaniline, N-(2-anthrylmethylene)-2,6-diisopropylaniline, and N-(1-anthrylmethylene)-2,6-dimethylaniline.

5. The catalyst component according to claim 1 , wherein said internal electron donor A accounts for 0.01%-20% by weight of the catalyst component.

6. The catalyst component according to claim 1 , wherein the catalyst component further comprises internal electron donor B, which is at least one selected from the group consisting of esters, ethers, ketones, and amines.

7. The catalyst component according to claim 6 , wherein said internal electron donor B is at least one selected from the group consisting of 2,3-bis(2-ethylbutyl)succinic acid diethyl ester, 2,3-diethyl-2-isopropylsuccinic acid diethyl ester, 2,3-diisopropylsuccinic acid diethyl ester, 2,3-ditertiary butylsuccinic acid diethyl ester, 2,3-diisobutylsuccinic acid diethyl ester, 2,3-(bistrimethylsilylalkyl)succinic acid diethyl ester, 2-(3,3,3-trifluoropropyl)-3-methyl succinic acid diethyl ester, 2,3-dineopentyl succinic acid diethyl ester, 2,3-diisopentyl succinic acid diethyl ester, 2,3-(1-trifluoromethyl-ethyl)succinic acid diethyl ester, 2-isopropyl-3-isobutyl succinic acid diethyl ester, 2-tertiary butyl-3-isopropyl succinic acid diethyl ester, 2-isopropyl-3-cyclohexyl succinic acid diethyl ester, 2-isopentyl-3-cyclohexyl succinic acid diethyl ester, 2,2,3,3-tetramethyl succinic acid diethyl ester, 2,2,3,3-tetraethyl succinic acid diethyl ester, 2,2,3,3-tetrapropyl succinic acid diethyl ester, 2,3-diethyl-2,3-diisopropyl disuccinic acid diethyl ester, 2,3-bis(2-ethylbutyl)succinic acid diisobutyl ester, 2,3-diethyl-2-isopropylsuccinic acid diisobutyl ester, 2,3-diisopropylsuccinic acid diisobutyl ester, 2,3-ditertiary butylsuccinic acid diisobutyl ester, 2,3-diisobutylsuccinic acid diisobutyl ester, 2,3-(bistrimethylsilylalkyl)succinic acid diisobutyl ester, 2-(3,3,3-trifluoropropyl)-3-methylsuccinic acid diisobutyl ester, 2,3-dineopentylsuccinic acid diisobutyl ester, 2,3-diisopentylsuccinic acid diisobutyl ester, 2,3-(1-trifluoromethyl-ethyl)succinic acid diisobutyl ester, 2-isopropyl-3-isobutyl succinic acid diisobutyl ester, 2-tertiary butyl-3-isopropylsuccinic acid diisobutyl ester, 2-isopropyl-3-cyclohexylsuccinic acid diisobutyl ester, 2-isopentyl-3-cyclohexylsuccinic acid diisobutyl ester, 2,2,3,3-tetramethylsuccinic acid diisobutyl ester, 2,2,3,3-tetraethylsuccinic acid diisobutyl ester, 2,2,3,3-tetrapropylsuccinic acid diisobutyl ester, 2,3-diethyl-2,3-diisopropyl disuccinic acid diisobutyl ester, diethyl phthalate, dipropyl phthalate, diisobutyl phthalate, di-n-butyl phthalate, di-n-pentyl phthalate, diisopentyl phthalate, dineopentyl phthalate, dihexyl phthalate, diheptyl phthalate, dioctyl phthalate, dinonyl phthalate, diisobutyl 2-methyl phthalate, di-n-butyl 2-methyl phthalate, diisobutyl 2-propyl phthalate, di-n-butyl 2-propyl phthalate, diisobutyl 2-butyl phthalate, din-butyl 2-butyl phthalate, diisobutyl 2-propyl phthalate, di-n-butyl 2-propyl phthalate, diisobutyl 4-propyl phthalate, di-n-butyl 4-butyl phthalate, diisobutyl 2-chloro phthalate, di-n-butyl 2-chloro phthalate, diisobutyl 4-chloro phthalate, di-n-butyl 4-chloro phthalate, and di-n-butyl 4-methoxy phthalate.

8. The catalyst component according to claim 6 , wherein said internal electron donor B is at least one selected from diol ester compounds as shown in Formula III:

wherein, R 1 ′ and R 2 ′ may be identical to or different from each other, and are independently selected from C 1 -C 20 alkyl, C 6 -C 20 aryl, C 7 -C 20 arylalkyl, and C 7 -C 20 alkylaryl; R 3 ′-R 6 ′ may be identical to or different from each other, and are inde

Assignees

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

Inventors

• Wang Jun
• Gao Mingzhi
• Liu Haitao
• Ma Jing
• Chen Jianhua
• Cai Xiaoxia
• Ma Jixing
• Li Changxiu
• Hu Jianjun
• Zhang Xiaofan
• Li Xianzhong
• Zhang Zhihui
• Duan Ruilin
• Yang Linna
• Ma Changyou

Classifications

• C08F10/06

  Propene · CPC title

• C08F4/65912

  in combination with an organoaluminium compound · CPC title

• C08F4/6546

  organo-magnesium compounds · CPC title

• C08F4/654

  with magnesium or compounds thereof · CPC title

• C08F4/651

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