# US 4,394,292 A · Catalysts for the polymerization of olefins

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- Number: US 4,394,292 A
- Document ID: US4394292A
- Status: Granted
- Kind: A
- Application number: 06/351,451
- Filed: 1982-02-23
- Granted: 1983-07-19
- Earliest claimed: 1979-04-25
- Assignees: Sumitomo Chemical Company, Limited
- Inventors: Yasuharu Yamada; Kiyoshi Kawai
- Web page: https://patentgrep.com/patent/US4394292A

## CPC

- C08F 10/00: Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F: MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS

## Abstract

Solid catalyst components produced by reacting an organomagnesium compound with an alkoxy compound of the formula, R.sup.1.sub.a Al(OR.sup.2).sub.b X.sub.c wherein R.sup.1 and R.sup.2 are each a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom and a, b and c are numbers satisfying the equations at the same time, 0.ltoreq.a<3, 0<b.ltoreq.3, 0.ltoreq.c<3, and a+b+c=3 and/or of the formula, R.sup.3.sub.d P(OR.sup.4).sub.e X.sub.f wherein R.sup.3 and R.sup.4 are each a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and d, e and f are numbers satisfying the equations at the same time, 0.ltoreq.d<3, 0<e.ltoreq.3, 0.ltoreq.f<3, and d+e+f=3 to produce a solid product, and allowing the solid product to support a titanium compound and/or a vanadium compound, and a method for producing polyolefins which comprises polymerizing olefin in the presence of a catalyst system comprising said solid catalyst component and an organoaluminum compound.

## Claims

### Claim 1

A solid catalyst component for olefin polymerization prepared by a method consisting essentially of reacting an organo-magnesium compound represented by the formula,
R.sup.5 MgX or R.sup.6.sub.2 Mg
wherein R.sup.5 and R.sup.6 are each an alkyl, aryl, aralkyl or alkenyl group having 1 to 20 carbon atoms, and X is a chlorine, bromine or iodine atom, in solution, with an alkoxy phosphorus compound of the formula,
R.sup.3.sub.d P(OR.sup.4).sub.e X.sub.f
wherein R.sup.3 and R.sup.4 are each a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and d, e, and f are numbers satisfying the equations at the same time,
0.ltoreq.d<e, 0<e.ltoreq.3, 0.ltoreq.f<3, and d+e+f=3
to produce a solid product which is a catalyst carrier, and supporting a titanium compound and/or a vanadium compound on said solid product.

### Claim 2 (depends on 1)

A solid catalyst component according to claim 1, wherein said solid product is produced in the presence of an ether compound and isolated from the reaction mixture.

### Claim 3 (depends on 1)

A solid catalyst component according to claim 1, wherein said solid product isolated from the reaction mixture is a complex having a coordinated ether compound.

### Claim 4 (depends on 1)

A solid catalyst component according to claim 1, wherein the molar ratio of the organomagnesium compound to the alkoxy compound is 1:10 to 10:1.

### Claim 5 (depends on 4)

A solid catalyst component according to claim 4, wherein the molar ratio of the organomagnesium compound to the alkoxy compound is 1:3 to 3:1.

### Claim 6 (depends on 1)

A solid catalyst component according to claim 1, wherein the reaction between the organomagnesium compound and the alkoxy compound is carried out at -30.degree. C. to 150.degree. C.

### Claim 7 (depends on 6)

A solid catalyst component according to claim 6, wherein the reaction between the organomagnesium compound and the alkoxy compound is carried out at -10.degree. C. to 100.degree. C.

### Claim 8 (depends on 1)

A solid catalyst component according to claim 1 wherein the reaction is carried out in a solvent selected from the group consisting of aliphatic hydrocarbons, aromatic hydrocarbons, alicyclic hydrocarbons and ethers.

### Claim 9 (depends on 2)

A solid catalyst component according to claim 2, wherein the ether compound is one represented by the formula,
R.sup.8 --O--R.sup.9
wherein R.sup.8 and R.sup.9 are each a hydrocarbon group having 1 to 20 carbon atoms, or may be linked together to form a ring.

### Claim 10 (depends on 9)

A solid catalyst component according to claim 9, wherein the ether compound is a member selected from the group consisting of diethyl ether, di-n-propyl ether, diisopropyl ether, di-n-butyl ether, di-sec-butyl ether, di-n-amyl ether, di-isoamyl ether, di-n-hexyl ether, di-n-octyl ether, diphenyl ether, dibenzyl ether, anisole, phenetole, methyl benzyl ether and tetrahydrofuran.

### Claim 11 (depends on 1)

A solid catalyst component according to claim 1, wherein the alkoxyphosphorus compound is a trialkoxy phosphite of the formula,
P(OR.sup.4).sub.3
wherein R.sup.4 is as defined in claim 1.

### Claim 12 (depends on 1)

A solid catalyst component according to claim 1, wherein said titanium compound or vanadium compound is a titanium compound of the formula,
Ti(OR.sup.7).sub.m X.sub.4-m
wherein R.sup.7 is a hydrocarbon group having 1 to 20 carbon atoms, X is a halogen atom, and m is a number satisfying the equation,
0.ltoreq.m.ltoreq.4,
vanadium tetrachloride or vanadium oxytrichloride.

### Claim 13 (depends on 12)

A solid catalyst component according to claim 12, wherein the titanium compound of the formula,
Ti(OR.sup.7).sub.m X.sub.4-m
in which R.sup.7, X and m are as defined in claim 12, is titanium tetrachloride.

### Claim 14 (depends on 2)

A solid catalyst component according to claim 2, wherein the isolated solid product contains 0.1 to 100 wt % of the coordinated ether.

### Claim 15 (depends on 14)

A solid catalyst component according to claim 14, wherein the amount of the coordinated ether is 0.5 to 50 wt. %.

### Claim 16 (depends on 1)

A solid catalyst component according to claim 1, wherein the content of titanium atom and/or vanadium atom in the solid catalyst component is 0.01 to 30 wt. %.

### Claim 17 (depends on 16)

A solid catalyst component according to claim 16, wherein the content of titanium atom and/or vanadium atom is 0.1 to 15 wt %.

### Claim 18 (depends on 1)

A catalyst system for olefin polymerization comprising (1) a solid catalyst component according to claim 1 and (2) an organoaluminum compound of the formula,
R.sup.10.sub.3-(p+q) Al (OR.sup.11).sub.p Y.sub.q
wherein R.sup.10 and R.sup.11 are each a hydrocarbon group having 1 to 20 carbon atoms, Y is a hydrogen or halogen atom, and p and q are numbers satisfying the equations at the same time,
0.ltoreq.p<3, 0.ltoreq.q<3, and 0.ltoreq.p+q<3.
19.

### Claim 19 (depends on 3)

A solid catalyst component according to claim 3, wherein the ether compound is one represented by the formula,
R.sup.8 --O--R.sup.9
wherein R.sup.8 and R.sup.9 are each a hydrocarbon group having 1 to 20 carbon atoms, or may be linked together to form a ring.

### Claim 20 (depends on 8)

A solid catalyst component according to claim 8, wherein the ether compound is one represented by the formula,
R.sup.8 --O--R.sup.9
wherein R.sup.8 and R.sup.9 are each a hydrocarbon group having 1 to 20 carbon atoms, or may be linked together to form a ring.

### Claim 21 (depends on 19)

A solid catalyst component according to claim 19, wherein the ether compound is a member selected from the group consisting of diethyl ether, di-n-propyl ether, diisopropyl ether, di-n-butyl ether, di-sec-butyl ether, di-n-amyl ether, diisoamyl ether, di-n-hexyl ether, di-n-octyl ether, diphenyl ether, dibenzyl ether, anisole, phenetole, methyl benzyl ether and tetrahydrofuran.

### Claim 22 (depends on 20)

A solid catalyst component according to claim 20, wherein the ether compound is a member selected from the group consisting of diethyl ether, di-n-propyl ether, diisopropyl ether, di-n-butyl ether, di-sec-butyl ether, di-n-amyl ether, diisoamyl ether, di-n-hexyl ether, di-n-octyl ether, diphenyl ether, dibenzyl ether, anisole, phenetole, methyl benzyl ether and tetrahydrofuran.