US4535069A — Catalyst component for α-olefin polymerization

Claim 1

Independent Claim 131 words

A catalyst component for α-olefin polymerization comprising a solid product (II) obtained by reacting at least one member selected from the group consisting of magnesium compounds expressed by the general formula MgR 1 R 2 (wherein R 1 represents alkyl, aryl, alkoxy or aryloxy group and R 2 represents alkyl, aryl, alkoxy, aryloxy group or halogen atom), with a complex compound of at 1 least one member selected from the group consisting of aluminum compounds expressed by the general formula AlR n 3 X 3-n (wherein R 3 represents alkyl, aryl, alkoxy or aryloxy group, X represents a halogen atom and n represents a number of 0≦n<2) with 2 esters of carboxylic acid to obtain a solid product (I); and reacting this solid product (I) with a liquid halogen-containing titanium compound.

Claim 2

Dependent Claim 131 words

A catalyst component for α-olefin polymerization comprising a solid product (II) obtained by reacting at least one member selected from the group consisting of magnesium compounds expressed by the general formula MgR 1 R 2 (wherein R 1 represents alkyl, aryl, alkoxy or aryloxy group and R 2 represents alkyl, aryl, alkoxy, aryloxy group or halogen atom), with a complex compound of at 1 least one member selected from the group consisting of aluminum compounds expressed by the general formula AlR n 3 X 3-n (wherein R 3 represents alkyl, aryl, alkoxy or aryloxy group, X represents a halogen atom and n represents a number of 0≦n<2) with 2 esters of carboxylic acid to obtain a solid product (I); and reacting this solid product (I) with a liquid halogen-containing titanium compound.

Claim 3

Dependent Claim 58 words

A catalyst component according to claim 1 wherein said esters of carboxylic acid is an ester of an aliphatic or aromatic mono-, di- or tri-carboxylic acid of 1 to 20 carbon atoms with an aliphatic or aromatic mono-, di- or tri-alcohol of 1 to 20 carbon atoms, and does not contain any free carboxyl group or alcohol group.

Claim 4

Dependent Claim 59 words

A catalyst component according to claim 1 wherein said complex compound is obtained by reacting an aluminum compound expressed by the general formula AlR n 3 X 3-n with esters of carboxylic acid, in a mol ratio of the former to the latter of 1:0.1 to 10, at 0° to 100° C. and for 5 minutes to 5 hours.

Claim 5

Dependent Claim 61 words

A catalyst component according to claim 1 wherein said solid product (I) is obtained by reacting said at least one magnesium compound having the general formula MgR 1 R 2 with said complex compound in a ratio by weight of the former to the latter of 1:0.05 to 5, at -10° C. to +150° C. and for 0.5 to 6 hours.

Claim 6

Dependent Claim 51 words

A catalyst component according to claim 1 wherein said solid product (II) is obtained by reacting said solid product (1) with said liquid halogen-containing titanium compound in an amount of 1 to 100 ml per g of said product (I), at 50° C. to 200° C. for 0.5 to 6 hours.

Claim 7

Dependent Claim 57 words

A catalyst component according to claim 1 wherein said solid product (I) is mixed with silicon tetrachloride in an amount of 1 to 1,000 ml per g of the product (I), and the mixture is treated at 20° C. to 150° C. for 10 minutes to 12 hours and then reacted with said liquid halogen-containing titanium compound.

Claim 8

Dependent Claim 150 words

A catalyst component for α-olefin polymerization comprising a solid product (III) obtained by reacting at least one member selected from the group consisting of magnesium compounds expressed by the general formula MgR 1 R 2 (wherein R 1 represents alkyl, aryl, alkoxy or aryloxy group and R 2 represents alkyl, aryl, alkoxy, aryloxy group or halogen atom), with a complex of 1 at least one member selected from the group consisting of aluminum compounds expressed by the general formula AlR n 3 X 3-n (wherein R 3 represents alkyl, aryl, alkoxy or aryloxy group, X represents a halogen atom and n represents a number of 0≦n<2) with 2 esters of carboxylic acid, to obtain a solid product (I); reacting this solid product (I) with a liquid halogen-containing titanium compound, to obtain a solid product (II); and preactivating this solid product (II) in combination with an organoaluminum compound and an α-olefin.

Claim 9

Dependent Claim 150 words

A catalyst component for α-olefin polymerization comprising a solid product (III) obtained by reacting at least one member selected from the group consisting of magnesium compounds expressed by the general formula MgR 1 R 2 (wherein R 1 represents alkyl, aryl, alkoxy or aryloxy group and R 2 represents alkyl, aryl, alkoxy, aryloxy group or halogen atom), with a complex of 1 at least one member selected from the group consisting of aluminum compounds expressed by the general formula AlR n 3 X 3-n (wherein R 3 represents alkyl, aryl, alkoxy or aryloxy group, X represents a halogen atom and n represents a number of 0≦n<2) with 2 esters of carboxylic acid, to obtain a solid product (I); reacting this solid product (I) with a liquid halogen-containing titanium compound, to obtain a solid product (II); and preactivating this solid product (II) in combination with an organoaluminum compound and an α-olefin.

Claim 10

Dependent Claim 58 words

A catalyst component according to claim 7 wherein said esters of carboxylic acid is an ester of an aliphatic or aromatic mono-, di- or tri-carboxylic acid of 1 to 20 carbon atoms with an aliphatic or aromatic mono-, di- or tri-alcohol of 1 to 20 carbon atoms, and does not contain any free carboxyl group or alcohol group.

Claim 11

Dependent Claim 59 words

A catalyst component according to claim 7 wherein said complex compound is obtained by reacting an aluminum compound expressed by the general formula AlR n 3 X 3-n with esters of carboxylic acid, in a mol ratio of the former to the latter of 1:0.1 to 10, at 0° to 100° C. and for 5 minutes to 5 hours.

Claim 12

Dependent Claim 61 words

A catalyst component according to claim 7 wherein said solid product (I) is obtained by reacting said at least one magnesium compound having the general formula MgR 1 R 2 with said complex compound in a ratio by weight of the former to the latter of 1:0.05 to 5, at -10° C. to +150° C. and for 0.5 to 6 hours.

Claim 13

Dependent Claim 51 words

A catalyst component according to claim 7 wherein said solid product (II) is obtained by reacting said solid product (1) with said liquid halogen-containing titanium compound in an amount of 1 to 100 ml per g of said product (I), at 50° C. to 200° C. for 0.5 to 6 hours.

Claim 14

Dependent Claim 72 words

A catalyst component according to claim 7 wherein said solid product (II) is preactivated with 0.1 to 500 g of an organoaluminum compound, 0.05 to 20 g of an electron donor, 0.05 to 1,000 g of an α-olefin, 0 to 1,000 ml of hydrogen and 0 to 80 l of a solvent, each per g of the solid product (II), at 0° C. to 100° C. for one minute to 20 hours.

Claim 15

Dependent Claim 57 words

A catalyst component according to claim 7 wherein said solid product (I) is mixed with silicon tetrachloride in an amount of 1 to 1,000 ml per g of the product (I), and the mixture is treated at 20° C. to 150° C. for 10 minutes to 12 hours and then reacted with said liquid halogen-containing titanium compound.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1988-08-12	1989-02-11	1989-08-13	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1992-08-12	1993-02-11	1993-08-13	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1996-08-12	1997-02-11	1997-08-13	$7700.00	Window Closed / Lapsed

Catalyst component for α-olefin polymerization

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