CATALYST COMPOSITION FOR POLYMERIZATION OF OLEFINS

• US 20160340293A1
• Filed: 12/19/2014
• Published: 11/24/2016
• Est. Priority Date: 12/20/2013
• Status: Active Grant

• Current Assignee: SABIC Global Technologies BV (Government of Saudi Arabia), Saudi Basic Industries Corporation (Government of Saudi Arabia)
• Original Assignee: Aurora Alexandra Batinas-Geurts, Gennadii Dimitrievich Bukatov, SABIC Global Technologies BV (Government of Saudi Arabia), Saudi Basic Industries Corporation (Government of Saudi Arabia), Jaiprakash Brijlal Sainani, Mansour Taftaf, Martin Alexander Zuideveld, Nourdin Ghalit, Sergei Andreevich Sergeev, Vimalkumar Mahendrabhai Patel, Vladimir Alexandrovich Zakharov
• Inventors: TAFTAF, Mansour I., SAINANI, Jaiprakash Brijlal, PATEL, Vimalkumar Mahendrabhai, GHALIT, Nourdin, ZAKHAROV, Vladimir Aleksandrovich, BUKATOV, Gennadii Dimitrievich, SERGEEV, Sergei Andreevich, ZUIDEVELD, Martin Alexander, BATINAS-GEURTS, Aurora Alexandra
• Granted Patent: US 10,059,656 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B01J 2231/64 Reductions in general of organic substrates, e.g. hydride reductions or hydrogenations
• CPC Class Codes: B01J 2531/007 Promoter-type Additives
• CPC Class Codes: B01J 31/0202 Alcohols or phenols
• CPC Class Codes: C07C 233/18 having the carbon atom of the carboxamide group bound to a hydrogen atom or to a carbon atom of an acyclic saturated carbon skeleton
• CPC Class Codes: C07C 233/69 of an acyclic saturated carbon skeleton
• CPC Class Codes: C07C 235/48 having the nitrogen atom of at least one of the carboxamide groups bound to an acyclic carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
• CPC Class Codes: C08F 110/06 Propene
• CPC Class Codes: C08F 2410/01 Additive used together with the catalyst, excluding compounds containing Al or B
• CPC Class Codes: C08F 2500/04 Broad molecular weight distribution, i.e. Mw/Mn > 6
• CPC Class Codes: C08F 2500/12 Melt flow index or melt flow ratio
• CPC Class Codes: C08F 2500/15 Isotactic
• CPC Class Codes: C08F 4/651 Pretreating with non-metals or metal-free compounds
• CPC Class Codes: C08F 4/6565 and magnesium or compounds thereof

Abstract

A catalyst composition including the compound of Formula I as an internal electron donor,

• wherein:
• R₁, R₂, R₃, R₄, R₅ and R₆ are independently selected from a group consisting of hydrogen, straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; R₇ is selected from a group consisting of straight, branched and cyclic alkyl and aromatic substituted and unsubstituted hydrocarbyl having 1 to 20 carbon atoms; and R₈ is selected from a group consisting of aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms. Also disclosed is a process for preparing said polymerization catalyst composition; a polymerization catalyst system comprising said catalyst composition, a co-catalyst and optionally an external electron donor; a polyolefin obtainable by the process; and use of the compound of Formula I as in internal electron donor in catalysts for polymerization of olefins.

Claims

1. A catalyst composition for the polymerization of olefins, which catalyst composition comprises the compound represented Formula I as an internal electron donor,

2. The catalyst composition according to claim 1, wherein R₁, R₂, R₃, R₄, R₅ and R₆ are independently selected from a group consisting of hydrogen, C₁-C₁₀ straight and branched alkyl;

C₃-C₁₀ cycloalkyl;

C₆-C₁₀ aryl; and

C₇-C₁₀ alkaryl and aralkyl groups.

3. The catalyst composition according to claim 1, wherein R₁ and R₂ are each a hydrogen atom and R₃, R₄, R₅ and R₆ are independently selected from a group consisting of C₁-C₁₀ straight and branched alkyl;

C₃-C₁₀ cycloalkyl;

C₆-C₁₀ aryl; and

C₇-C₁₀ alkaryl and aralkyl groups.

4. The catalyst a composition according to claim 1, wherein when one of R₃ and R₄ and one of R₅ and R₆ has at least one carbon atom, then the other one of R₃ and R₄ and of R₅ and R₆ is each a hydrogen atom.

5. The catalyst composition according to claim 1, wherein R₇ is selected from a group consisting of methyl, ethyl, propyl, isopropyl, butyl, t-butyl, phenyl, benzyl, substituted benzyl and halophenyl groups.

6. The catalyst composition according to claim 1, wherein R₈ is selected from the group consisting of C₆-C₁₀ aryl;

and C₇-C₁₀ alkaryl and aralkyl groups.

7. The catalyst composition according claim 1, wherein the internal electron donor is selected from the group consisting of 4-[benzoyl(methyl)amino]pentan-2-yl benzoate;

2,2,6,6-tetramethyl-5-(methylamino)heptan-3-ol dibenzoate;

4-[benzoyl (ethyl)amino]pentan-2-yl benzoate and 4-(methylamino)pentan-2-yl bis (4-methoxy)benzoate).

8. A process for preparing the catalyst composition according to claim 1, comprising contacting a magnesium-containing support with a halogen-containing titanium compound and an internal electron donor according to Formula I.

9. The process according to claim 8, which comprises:

i) contacting a compound R⁹_zMgX_2-z wherein R⁹ is aromatic, aliphatic or cyclo-aliphatic group containing 1 to 20 carbon atoms, X is a halide, and z is in a range of larger than 0 and smaller than 2, with an alkoxy- or aryloxy-containing silane compound to give a first intermediate reaction product;

ii) contacting the solid Mg(OR¹)_xX_2-x with at least one activating compound selected from the group formed by electron donors and compounds of formula M(OR¹⁰)_v-w(OR¹¹)_w, wherein M is Ti, Zr, Hf, Al or Si and M(OR¹⁰)_v-w(R¹¹)_w, wherein M is Si, each R¹⁰ and R¹¹, independently, represent an alkyl, alkenyl or aryl group, v is the valency of M, v being either 3 or 4 and w is smaller than v to give a second intermediate reaction product; and

iii) contacting the second intermediate reaction product with a halogen-containing Ti-compound, an internal electron donor represented by Formula I,

10. A catalyst composition obtained by the process according to claim 8.

11. A polymerization catalyst system comprising the catalyst composition according to claim 1, a co-catalyst and optionally an external electron donor.

12. A process of making a polyolefin, comprising contacting an olefin with the catalyst system according to claim 11.

13. A polyolefin, obtained by the process according to claim 12.

14. A shaped article, comprising the polyolefin according to claim 13.

16. The catalyst composition according to claim 3, wherein R₃, R₄, R₅ and R₆ are independently selected from C₁-C₁₀ straight and branched alkyl and phenyl.

17. The catalyst composition according to claim 6, wherein R₈ is selected from the group consisting of substituted or unsubstituted phenyl, benzyl, naphthyl, ortho-tolyl, para-tolyl or anisol groups.

18. The process according to claim 9, wherein the first intermediate reaction product is contacted with an alcohol and a titanium tetraalkoxide in step ii).

19. A polymerization catalyst system comprising the catalyst composition according to claim 7, a co-catalyst and optionally an external electron donor.

20. The catalyst composition according to claim 10, wherein

R₁ and R₂ are each a hydrogen atom;

R₃, R₄, R₅ and R₆ are selected from a group consisting of methyl, ethyl, propyl, isopropyl, butyl, t-butyl, or phenyl groups;

R₇ is selected from a group consisting of methyl, ethyl, propyl, isopropyl, butyl, t-butyl, phenyl, benzyl, substituted benzyl and halophenyl groups; and

R₈ is phenyl.

21. A polymerization catalyst system comprising the catalyst composition according to claim 20, a co-catalyst and optionally an external electron donor.

15. (canceled)