Catalyst components for the polymerization of olefins

Patent metadata

Field	Value
Publication number	US-10246532-B2
Application number	US-201615557704-A
Country	US
Kind code	B2
Filing date	Mar 8, 2016
Priority date	Mar 12, 2015
Publication date	Apr 2, 2019
Grant date	Apr 2, 2019

Abstract

A solid catalyst component which exhibits high activity and stereospecificity in the polymerization of olefins made from or containing Mg, Ti and an electron donor of formula (I)

where R and R 1 are selected from the group consisting of C 1 -C 20 hydrocarbon groups, C 6 -C 14 aryl or alkylaryl groups hydrocarbon groups, optionally containing a heteroatom selected from the group consisting of halogens, P, S, N, and O; R 2 to R 11 groups, equal to or different from each other, are hydrogen, halogen or C 1 -C 15 hydrocarbon groups which can be optionally fused together to form one or more cycles with the proviso that R 6 and R 11 cannot join together to form a phenyl ring.

First claim

What is claimed is:

1. A solid catalyst component for the polymerization of olefins comprising:
(i) Mg,
(ii) Ti,
(iii) halogen, and
(iv) an electron donor of formula (I)

wherein
R and R 1 are selected from the group consisting of C 1 -C 20 hydrocarbon groups, and C 6 -C 14 aryl or alkylaryl groups, wherein R and R 1 optionally contain a heteroatom selected from the group consisting of halogen, P, S, N, and O; and
R 2 to R 11 groups, equal to or different from each other, are selected from the group consisting of hydrogen, halogen and C 1 -C 15 hydrocarbon groups which are optionally fused together to form one or more cycles with the proviso that R 6 and R 11 cannot join together to form a phenyl ring.

2. The catalyst component according to claim 1 , wherein R and R 1 groups are phenyl groups.

3. The catalyst component according to claim 2 , wherein the phenyl groups bear at least one substituent selected from the group consisting of C 1 -C 15 hydrocarbon groups and halogens.

4. The catalyst component according to claim 3 , wherein the hydrocarbon substituent is selected from the group consisting of C 1 -C 10 alkyl groups, C 6 -C 14 aryl groups, C 3 -C 15 cycloalkyl groups, and C 7 -C 15 arylalkyl or alkylaryl groups.

5. The catalyst component according to claim 4 , wherein the hydrocarbon substituent is selected the group consisting of linear C 1 -C 5 alkyl groups.

6. The catalyst component according to claim 4 , wherein the hydrocarbon substituent is located in 4-position.

7. The catalyst component according to claim 3 , wherein the halogen substituent is Cl.

8. The catalyst component according to claim 7 , wherein the Cl is located in the meta position, the para position, or both.

9. The catalyst component according to claim 1 , wherein the R 2 to R 11 groups are hydrogens.

10. A catalyst for the polymerization of olefins comprising:
(a) a product of a reaction between:
(i) a solid catalyst component comprising:
(A) Mg,
(B) Ti,
(C) halogen, and
(D) an electron donor of formula (I)

wherein
R and R 1 are selected from the group consisting of C 1 -C 20 hydrocarbon groups, and C 6 -C 14 aryl or alkylaryl groups, wherein R and R 1 optionally contain a heteroatom selected from the group consisting of halogen, P, S, N, and O;
R 2 to R 11 groups, equal to or different from each other, are selected from the group consisting of hydrogen, halogen and C 1 -C 15 hydrocarbon groups which are optionally fused together to form one or more cycles with the proviso that R 6 and R 11 cannot join together to form a phenyl ring, and

(ii) an alkylaluminum compound and optionally,
(iii) an external electron donor compound.

11. The catalyst according to claim 10 further comprising an external electron donor compound.

12. A process for polymerization or copolymerization of an olefin comprising:
(a) polymerizing an olefin CH 2 ═CHR, wherein R is hydrogen or a hydrocarbyl radical with 1-12 carbon atoms in the presence of a catalyst system comprising:
(A) a product of a reaction between:
i. a solid catalyst component comprising:
(1) Mg,
(2) Ti,
(3) halogen, and
(4) an electron donor of formula (I)

wherein
R and R 1 are selected from the group consisting of C 1 -C 20 hydrocarbon groups, and C 6 -C 14 aryl or alkylaryl groups, wherein R and R 1 optionally contain a heteroatom selected from the group consisting of halogen, P, S, N, and O;
R 2 to R 11 groups, equal to or different from each other, are selected from the group consisting of hydrogen, halogen and C 1 -C 15 hydrocarbon groups which are optionally fused together to form one or more cycles with the proviso that R 6 and R 11 cannot join together to form a phenyl ring,

ii. an alkylaluminum compound, and
iii. optionally an external donor compound.

Assignees

• Basell Poliolefine Italia Srl

Inventors

• Chevalier Reynald
• Mignogna Alessandro
• Morini Giampiero

Classifications

• C08F110/06 Primary

  Propene · CPC title

• C07F7/28

  Titanium compounds · CPC title

• C08F2500/15

  Isotactic · CPC title

• C08F2500/12

  Melt flow index or melt flow ratio · CPC title

• C08F4/651

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