Catalyst component for olefin polymerization reaction and catalyst comprising same

Patent metadata

Field	Value
Publication number	US-9156927-B2
Application number	US-201113642851-A
Country	US
Kind code	B2
Filing date	Apr 22, 2011
Priority date	Apr 22, 2010
Publication date	Oct 13, 2015
Grant date	Oct 13, 2015

Abstract

A catalyst component for olefin polymerization comprising magnesium, titanium, halogen and electron donor, wherein the electron donor is selected from at least one of the diol diester compounds, when the diol diester comprised contains a certain amount of isomer with Fischer projection formula as shown in Formula (II), the activity and stereospecificity of the catalyst are greatly improved, especially in the production of polymers with high melt index, the isotactic index of the obtained polymers is improved substantially.

First claim

The invention claimed is:

1. A catalyst component for olefin polymerization, comprising:
magnesium, titanium, halogen, and a first electron donor,
wherein the first electron donor comprises one or more diol diester compounds of Formula (I), wherein greater than or equal to 35 wt % of the first electron donor have a Fischer projection formula of Formula (II):

wherein in both Formula (I) and Formula (II):
R 1 and R 2 are identical or different, and are selected from the group consisting of (C 3 -C 20 )cycloalkyl, (C 6 -C 20 )aryl, (C 7 -C 20 )alkaryl, (C 7 -C 20 )aralkyl, and derivatives of (C 3 -C 20 )cycloalkyl, (C 6 -C 20 )aryl, (C 7 -C 20 )alkaryl, (C 7 -C 20 )aralkyl having one or more hydrogen atoms substituted by halogen atoms, provided that R 1 and R 2 are not (C 3 -C 20 )cycloalkyl simultaneously;
R 3 and R 4 are identical or different, and are selected from the group consisting hydrogen atom, halogen atom, (C 1 -C 10 ) straight chain alkyl, (C 3 -C 10 ) branched chain alkyl, (C 3 -C 10 )cycloalkyl, (C 6 -C 10 )aryl, (C 7 -C 10 )alkaryl, and (C 7 -C 10 )aralkyl, wherein optionally R 3 and R 4 are connected to form a ring; and
R 5 and R 6 are identical or different, and are selected from the group consisting of halogen atom, (C 1 -C 10 ) straight chain alkyl, (C 3 -C 10 ) branched chain alkyl, (C 3 -C 10 )cycloalkyl, (C 6 -C 10 )aryl, (C 7 -C 10 )alkaryl, and derivatives of (C 7 -C 10 )aralkyl, and (C 3 -C 10 )cycloalkyl, (C 6 -C 10 )aryl, (C 7 -C 10 )alkaryl, (C 7 -C 10 )aralkyl having one or more hydrogen atoms substituted by halogen atoms.

2. The catalyst component according to claim 1 , wherein greater than or equal to 51 wt % of the first electron donor have the Fischer projection formula of Formula (II).

3. The catalyst component according to claim 1 , wherein
R 1 and R 2 independently selected from the group consisting of (C 6 -C 20 )aryl, (C 7 -C 20 )alkaryl, (C 7 -C 20 )aralkyl, phenyl, (C 1 -C 5 )alkyl phenyl, halogenatedI phenyl halogenated (C 1 -C 5 )alkyl phenyl, indenyl, benzyl, and phenethyl; and
wherein optionally one or more hydrogen in R 1 or R 2 are substituted by halogen.

4. The catalyst component according to claim 3 , wherein
R 1 and R 2 are identical.

5. The catalyst component according to claim 1 , wherein
R 3 and R 4 are independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, chloro, and bromo.

6. The catalyst component according to claim 1 , wherein
R 5 and R 6 are independently selected from methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, and methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl having one or more hydrogen substituted by halogen.

7. The catalyst component according to claim 1 , wherein the diol diester compounds having the Fisher projection formula of Formula (II) are selected from the group consisting of:
meso-2,4-pentanediol dibenzoate,
meso-3-methyl-2,4-pentanediol dibenzoate,
meso-3-ethyl-2,4-pentanediol dibenzoate,
meso-3-propyl-2,4-pentanediol dibenzoate,
meso-3-butyl-2,4-pentanediol dibenzoate,
meso-3,3-dimethyl-2,4-pentanediol dibenzoate,
meso-2,4-pentanediol di(p-methylbenzoate),
meso-3-chloro-2,4-pentanediol dibenzoate,
meso-3-bromo-2,4-pentanediol dibenzoate,
meso-2,4-pentanediol di(m-methylbenzoate),
meso-2,4-pentanediol di(o-methylbenzoate),
meso-2,4-pentanediol di(p-ethylbenzoate),
meso-2,4-pentanediol di(p-butylbenzoate),
meso-2,4-pentanediol di(p-chlorobenzoate),
meso-3,5-heptanediol dibenzoate,
meso-4-methyl-3,5-heptanediol dibenzoate,
meso-4-dimethyl-3,5-heptanediol dibenzoate,
meso-4-ethyl-3,5-heptanediol dibenzoate,
meso-4-propyl-3,5-heptanediol dibenzoate,
meso-4-butyl-3,5-heptanediol dibenzoate,
meso-4-chloro-3,5-heptanediol dibenzoate,
meso-4-bromo-3,5-heptanediol dibenzoate,
meso-3,5-heptanediol di(p-methylbenzoate),
meso-3,5-heptanediol di(o-methylbenzoate),
meso-3,5-heptanediol di(m-methylbenzoate),
meso-3,5-heptanediol di(p-ethylbenzoate),
meso-3,5-heptanediol di(p-butylbenzoate),
meso-3,5-heptanediol di(p-chlorobenzoate),
(2S,4R)-2,4-pentanediol benzoxy cinnamate,
(2S,4R)-3-methyl-2,4-pentanediol benzoxy cinnamate,
(2S,4R)-3-ethyl-2,4-pentanediol benzoxy cinnamate,
(2S,4R)-3-propyl-2,4-pentanediol benzoxy cinnamate,
(2S,4R)-3-butyl-2,4-pentanediol benzoxy cinnamate,
(2S,4R)-3,3-dimethyl-2,4-pentanediol benzoxy cinnamate,
(2S,4R)-3-chloro-2,4-pentanediol dibenzoate,
(3S,5R)-3,5-heptanediol benzoxy cinnamate,
(3S,5R)-4-methyl-3,5-heptanediol benzoxy cinnamate,
(3S,5R)-4,4-dimethyl-3,5-heptanediol benzoxy cinnamate,
(3S,5R)-4-ethyl-3,5-heptanediol benzoxy cinnamate,
(3S,5R)-4-propyl-3,5-heptanediol benzoxy cinnamate,
(3S,5R)-4-butyl-3,5-heptanediol benzoxy cinnamate,
(3S,5R)-4-chloro-3,5-heptanediol benzoxy cinnamate,
(2S,4R)-6-methyl-2,4-heptanediol dibenzoate,
(2S,4R)-6-methyl-2,4-heptanediol di(p-butyl benzoate),
(2R,4S)-2,4-pentanediol benzoxy cinnamate,
(2R,4S)-3-methyl-2,4-pentanediol benzoxy cinnamate,
(2R,4S)-3-ethyl-2,4-pentanediol benzoxy cinnamate,
(2R,4S)-3-propyl-2,4-pentanediol benzoxy cinnamate,
(2R,4S)-3-butyl-2,4-pentanediol benzoxy cinnamate,
(2R,4S)-3,3-dimethyl-2,4-pentanediol benzoxy cinnamate,
(2R,4S)-3-chloro-2,4-pentanediol dibenzoate,
(3R,5S)-3,5-heptanediol benzoxy cinnamate,
(3R,5S)-4-methyl-3,5-heptanediol benzoxy cinnamate,
(3R,5S)-4,4-dimethyl-3,5-heptanediol benzoxy cinnamate,
(3R,5S)-4-ethyl-3,5-heptanediol benzoxy cinnamate,
(3R,5S)-4-propyl-3,5-heptanediol benzoxy cinnamate,
(3R,5S)-4-butyl-3,5-heptanediol benzoxy cinnamate,
(3R,5S)-4-chloro-3,5-heptanediol benzoxy cinnamate,
(2R,4S)-6-methyl-2,4-heptanediol dibenzoate,
(2R,4S)-6-methyl-2,4-heptanediol di(p-butyl benzoate), or mixtures thereof.

8. The catalyst component according to claim 1 , further comprising a second electron donor, wherein the second electron donor comprises one or more chosen from diether compounds of Formula (III) or phthalate diester compounds, and a molar ratio of the first electron donor and the second electron donor is from 1:0.01 to 1:100,

wherein in Formula (III), R 1 and R 2 are identical or different and are selected from the group consisting of straight chain (C 1 -C 20 )alkyl, branched chain (C 1 -C 20 )alkyl, straight chain (C 3 -C 20 )cycloalkyl group, and branched chain (C 3 -C 20 )cycloalkyl; wherein R 3 to R 8 are independently selected from the group consisting of hydrogen, halogen, straight chain (C 1 -C 20 )alkyl, branched chain (C 1 -C 20 )alkyl, (C 3 -C 20 )cycloalkyl, (C 6 -C 20 )aryl, and (C 7 -C 20 )aralkyl, and
wherein optionally two or more among R 3 to R 8 are connected to form one or more rings.

9. The catalyst component according to claim 8 , wherein the molar ratio of the first electron donor to the second electron donor is from 1:0.02 to 1:5.

10. The catalyst component according to claim 1 , obtained by reacting a magnesium compound, a titanium compound with the first electron donor, wherein the titanium compound has a formula of TiX(OR) 4-n , in which R is a hydrocarbyl group having 1 to 20 carbon atoms, X is halogen, and n=0-4,
and wherein the magnesium compound is selected from the group consisting of a magnesium dihalide, an alkoxymagnesium, an alkyl magnesium, a hydrate adduct of magnesium dihalide, an alcohol adduct of magnesium dihalide, and derivatives formed by replacing a halogen atom of the magnesium dihalide with an alkoxyl group or a

Assignees

• Gao Mingzhi
• Li Changxiu
• Liu Haitao
• Zhang Xiaofan
• Chen Jianhua
• Ma Jing
• Cai Xiaoxia
• Li Xianzhong
• Ma Jixing
• China Petroleum & Chemical
• Beijing Res Inst Chem Ind

Inventors

• Gao Mingzhi
• Li Changxiu
• Liu Haitao
• Zhang Xiaofan
• Chen Jianhua
• Ma Jing
• Cai Xiaoxia
• Li Xianzhong
• Ma Jixing

Classifications

• C08F4/643

  Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44 other than an organo-aluminium compound {(C08F4/64003 - C08F4/64196 take precedence)} · CPC title

• C08F4/64 Primary

  Titanium, zirconium, hafnium or compounds thereof · CPC title

• C08F110/06 Primary

  Propene · CPC title

• C08F4/654

  with magnesium or compounds thereof · CPC title

• C08F10/00

  Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond · CPC title