US4182691A — Titanium trichloride catalyst and process for the…

Claim 1

Independent Claim 137 words

A process for the production of a titanium trichloride catalyst comprising: reducing titanium tetrachloride with an organo metal compound of the formula R n AlX 3-n wherein R is an alkyl or aryl group having 1 to 18 carbon atoms, X is a halogen atom, and n is a numeral within the range of 1≦n≦3, at a temperature of from about -50° to about +30° C. to produce a reduced solids product; contacting said reduced solids product with a chlorinated saturated hydrocarbon having 2 carbon atoms in the presence of a complexing agent selected from an aliphatic ether compound having 4 to 16 carbon atoms at an elevated temperature of about 60° C. to about 100° C. for about 1 to about 10 hours; and recovering the resulting treated reduced solids product as a titanium trichloride catalyst.

Claim 2

Dependent Claim 137 words

A process for the production of a titanium trichloride catalyst comprising: reducing titanium tetrachloride with an organo metal compound of the formula R n AlX 3-n wherein R is an alkyl or aryl group having 1 to 18 carbon atoms, X is a halogen atom, and n is a numeral within the range of 1≦n≦3, at a temperature of from about -50° to about +30° C. to produce a reduced solids product; contacting said reduced solids product with a chlorinated saturated hydrocarbon having 2 carbon atoms in the presence of a complexing agent selected from an aliphatic ether compound having 4 to 16 carbon atoms at an elevated temperature of about 60° C. to about 100° C. for about 1 to about 10 hours; and recovering the resulting treated reduced solids product as a titanium trichloride catalyst.

Claim 3

Dependent Claim 57 words

The process of claim 1, wherein said reduced solids product is contacted with the chlorinated hydrocarbon in a ratio of about 0.2 to about 3.0 mols chlorinated hydrocarbon per 1 gram atom of titanium, and with said complexing agent at a ratio of about 0.1 to about 2.5 mols complexing agent per 1 gram atom of titanium.

Claim 4

Dependent Claim 22 words

The process of claim 1, wherein the reduced solids product is contacted with a mixture of the chlorinated hydrocarbon and complexing agent.

Claim 5

Dependent Claim 17 words

The process of claim 1, wherein the reduced solids product is first mixed with the chlorinated hydrocarbon.

Claim 6

Dependent Claim 44 words

The process of claim 1 wherein the reduced solids product is first mixed with the complexing agent at an elevated temperature of about 20° to about 90° C. for about 30 minutes to about 3 hours prior to the addition of said chlorinated hydrocarbon.

Claim 7

Dependent Claim 26 words

The process of claim 5, wherein the reduced solids product is separated from the complexing agent after mixture therewith and then mixed with the chlorinated hydrocarbon.

Claim 8

Dependent Claim 23 words

The process of claim 1, wherein the complexing agent is an ether selected from di-n-butyl ether, di-n-amyl ether, diisoamyl ether, or mixtures thereof.

Claim 9

Dependent Claim 19 words

The process of claim 1, wherein the chlorinated hydrocarbon is selected from hexachloroethane, pentachloroethane, tetrachloroethane, dichloroethane, and mixtures thereof.

Claim 10

Dependent Claim 11 words

The process of claim 8, wherein said chlorinated hydrocarbon is hexachloroethane.

Claim 11

Dependent Claim 11 words

The process of claim 8, wherein said chlorinated hydrocarbon is pentachloroethane.

Claim 12

Dependent Claim 11 words

The process of claim 8, wherein said chlorinated hydrocarbon is tetrachloroethane.

Claim 13

Dependent Claim 11 words

The process of claim 8, wherein said chlorinated hydrocarbon is dichloroethane.

Claim 14

Dependent Claim 131 words

A process for producing a titanium trichloride catalyst comprising: (a) reducing titanium tetrachloride with an alkylaluminum chloride compound having from 2 to 6 carbon atoms at a temperature of about -50° C. to about +30° C. for about 30 minutes to about 3 hours to produce a brown to red violet reduced solids product containing β-type TiCl 3 ; (b) contacting said reduced solids product with a chlorinated saturated hydrocarbon having 2 carbon atoms in the presence of a complexing agent selected from an aliphatic ether compound having 4 to 16 carbon atoms at an elevated temperature of about 60° C. to about 100° C. for about 1 hour to about 10 hours; and (c) recovering the resulting treated reduced solids product formed in step (b) as said titanium trichloride catalyst.

Claim 15

Dependent Claim 131 words

A process for producing a titanium trichloride catalyst comprising: (a) reducing titanium tetrachloride with an alkylaluminum chloride compound having from 2 to 6 carbon atoms at a temperature of about -50° C. to about +30° C. for about 30 minutes to about 3 hours to produce a brown to red violet reduced solids product containing β-type TiCl 3 ; (b) contacting said reduced solids product with a chlorinated saturated hydrocarbon having 2 carbon atoms in the presence of a complexing agent selected from an aliphatic ether compound having 4 to 16 carbon atoms at an elevated temperature of about 60° C. to about 100° C. for about 1 hour to about 10 hours; and (c) recovering the resulting treated reduced solids product formed in step (b) as said titanium trichloride catalyst.

Claim 16

Dependent Claim 14 words

The process of claim 13, wherein said alkylaluminum chloride compound contains diethyl aluminum chloride.

Claim 17

Dependent Claim 19 words

The process of claim 14, wherein the chlorinated hydrocarbon is selected from hexachloroethane, pentachloroethane, tetrachloroethane, dichloroethane, and mixtures thereof.

Claim 18

Dependent Claim 27 words

The process of claim 15, wherein the complexing agent is an ether selected from the group consisting of di-n-butyl ether, di-n-amyl ether, diisoamyl ether, and mixtures thereof.

Claim 19

Dependent Claim 52 words

The process of claim 16, wherein said reduced solids product is contacted with said chlorinated hydrocarbon and said ether in an amount of from about 0.2 to about 3.0 mols chlorinated hydrocarbon per 1 gm atom of titanium, and about 0.1 to about 2.5 mols ether per 1 gm atom of titanium.

Claim 20

Dependent Claim 41 words

The process of claim 17, wherein said reduced solids product is contacted with said chlorinated hydrocarbon in the presence of said ether at an elevated temperature of about 65° C. to about 90° C. for about 1 to about 10 hours.

Claim 21

Dependent Claim 11 words

The process of claim 18, wherein the chlorinated hydrocarbon is hexachloroethane.

Claim 22

Dependent Claim 11 words

The process of claim 18, wherein the chlorinated hydrocarbon is pentachloroethane.

Claim 23

Dependent Claim 11 words

The process of claim 18, wherein the chlorinated hydrocarbon is tetrachloroethane.

Claim 24

Dependent Claim 11 words

The process of claim 18, wherein the chlorinated hydrocarbon is dichloroethane.

Claim 25

Dependent Claim 11 words

The titanium trichloride catalyst produced by the process of claim 19.

Claim 26

Dependent Claim 11 words

The titanium trichloride catalyst produced by the process of claim 20.

Claim 27

Dependent Claim 11 words

The titanium trichloride catalyst produced by the process of claim 21.

Claim 28

Dependent Claim 11 words

The titanium trichloride catalyst produced by the process of claim 22.

Claim 29

Dependent Claim 166 words

An improved Ziegler-type catalyst composition adaptable for use in an α-olefin polymerization, comprising: (a) an organometal compound co-catalyst, in contact with, (b) a titanium trichloride composition catalyst, said titanium trichloride catalyst being produced by a process comprising: (i) reducing titanium tetrachloride with an organo metal compound of the formula R n AlX 3-n wherein R is an alkyl or aryl group having 1 to 18 carbon atoms, X is a halogen atom, and n is a numeral within the range of 1≦n≦3, at a temperature of from about -50° to about +30° C. to produce a reduced solids product; (ii) contacting said reduced solids product with a chlorinated saturated hydrocarbon having 2 carbon atoms in the presence of a complexing agent selected from an aliphatic ether compound having 4 to 16 carbon atoms at an elevated temperature of about 60° C. to about 100° C. for about 1 to about 10 hours; and (iii) recovering the resulting treated reduced solids product as a titanium trichloride catalyst.

Claim 30

Dependent Claim 166 words

An improved Ziegler-type catalyst composition adaptable for use in an α-olefin polymerization, comprising: (a) an organometal compound co-catalyst, in contact with, (b) a titanium trichloride composition catalyst, said titanium trichloride catalyst being produced by a process comprising: (i) reducing titanium tetrachloride with an organo metal compound of the formula R n AlX 3-n wherein R is an alkyl or aryl group having 1 to 18 carbon atoms, X is a halogen atom, and n is a numeral within the range of 1≦n≦3, at a temperature of from about -50° to about +30° C. to produce a reduced solids product; (ii) contacting said reduced solids product with a chlorinated saturated hydrocarbon having 2 carbon atoms in the presence of a complexing agent selected from an aliphatic ether compound having 4 to 16 carbon atoms at an elevated temperature of about 60° C. to about 100° C. for about 1 to about 10 hours; and (iii) recovering the resulting treated reduced solids product as a titanium trichloride catalyst.

Claim 31

Dependent Claim 69 words

The improved Ziegler-type catalyst composition of claim 27, wherein, in said process for producing said titanium trichloride catalyst, said reduced solids product is contacted with the chlorinated hydrocarbon in a ratio of about 0.2 to about 3.0 mols chlorinated hydrocarbon per 1 gram atom of titanium, and with said complexing agent at a ratio of about 0.1 to about 2.5 mols complexing agent per 1 gram atom of titanium.

Claim 32

Dependent Claim 35 words

The improved Ziegler-type catalyst composition of claim 28, wherein, in said process for producing said titanium trichloride catalyst, the complexing agent is an ether selected from di-n-butyl ether, di-n-amyl ether, diisoamyl ether, or mixtures thereof.

Claim 33

Dependent Claim 31 words

The improved Ziegler-type catalyst composition of claim 29, wherein, in said process for producing said titanium trichloride catalyst, the chlorinated hydrocarbon is selected from hexachloroethane, pentachloroethane, tetrachloroethane, dichloroethane, and mixtures thereof.

Claim 34

Dependent Claim 53 words

The improved Ziegler-type catalyst composition of claim 30, wherein, in said process for producing said titanium trichloride catalysts said reduced solids product is contacted with said chlorinated hydrocarbon in the presence of said ether at an elevated temperature of about 65° C. to about 90° C. for about 1 to about 10 hours.

Claim 35

Dependent Claim 23 words

The improved Ziegler-type catalyst composition of claim 31, wherein, in said process for producing said titanium trichloride catalyst, said chlorinated hydrocarbon is hexachloroethane.

Claim 36

Dependent Claim 23 words

The improved Ziegler-type catalyst composition of claim 31, wherein, in said process for producing said titanium trichloride catalyst, said chlorinated hydrocarbon is pentachloroethane.

Claim 37

Dependent Claim 23 words

The improved Ziegler-type catalyst composition of claim 31, wherein, in said process for producing said titanium trichloride catalyst, said chlorinated hydrocarbon is tetrachloroethane.

Claim 38

Dependent Claim 23 words

The improved Ziegler-type catalyst composition of claim 31, wherein, in said process for producing said titanium trichloride catalyst, said chlorinated hydrocarbon is dichloroethane.

Claim 39

Dependent Claim 24 words

The improved Ziegler-type catalyst composition of claim 27, wherein, said organometal compound co-catalyst is selected from monoalkylaluminum dichloride, dialkylaluminum monochloride, trialkylaluminum or mixtures thereof.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1983-01-07	1983-07-09	1984-01-08	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1987-01-07	1987-07-09	1988-01-08	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1991-01-07	1991-07-09	1992-01-08	$7700.00	Window Closed / Lapsed

Titanium trichloride catalyst and process for the production thereof

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