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CA1137066A Expired / Lapsed CA ⏱️ 0.0 years remaining

Process for preparing polyolefins

Assignee: Eneos Corp
•
Filing: 1979-06-20
•
Granted: 1982-12-07
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Expires: 1999-06-20
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Abstract

Abstract ABSTRACT OF THE DISCLOSURE A process is provided herein for preparing polyolefins by polymerizing or copolymerizing olefins using as the catalyst a titanium compound-containing solid component and an organometal compound. The solid component comprises a substance obtained by copulverizing (1) mag-nesium halide and/or manganese halide, (2) an organic halide compound, (3) a chain or cyclic silicons compound with recurring structure unit represented by the general formula

Inventors

  • 👤 Nobuyuki Kuroda
  • 👤 Akira Sano
  • 👤 Toru Nakamura
  • 👤 Kazuo Matsuura
  • 👤 Mituji Miyoshi

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-10-23 23:11
CPC Classifications
C; C08; C08F; C08F10/00; Y; Y10; Y10S; Y10S526/00; Y10S526/909

Claims Analysis

Total Claims: 18
Claim 1
Independent Claim 145 words
Process for preparing polyolefins by polymerizing or copoly-merizing olefins using as the catalyst a titani~m compound-containing solid component and an organometal compound, said titanium compound-containing solid component comprising a substance obtained by copulveri~ing ~]) magnes-ium halide and/or manganese halide, ~2) an organic halide cornpound, (3) a chain or cyclic silicone compol~d with recurring structure unit-represented by the general formula wherein R' and R'` respectively represent hydrogen, alkyl, aryl, alkoxy or hydroxyl group and (4) tetravalent and/or trivalent titanium compound(s); and wherein the weight ratio of said magnesium halide and/or manganese halide to said organic halide compound is in the range of from 1:0.5 to 1:0.01; wherein the weight ratio of said magnesium halide and/or manganese halide to sald sillcone~compound ~is in the range of from 1:0.5 to 1:0.005; and wherein said solid component contains titanium in an amount ranging from 0.5 bo 10% by weight.
Claim 2
Dependent Claim 145 words
Process for preparing polyolefins by polymerizing or copoly-merizing olefins using as the catalyst a titani~m compound-containing solid component and an organometal compound, said titanium compound-containing solid component comprising a substance obtained by copulveri~ing ~]) magnes-ium halide and/or manganese halide, ~2) an organic halide cornpound, (3) a chain or cyclic silicone compol~d with recurring structure unit-represented by the general formula wherein R' and R'` respectively represent hydrogen, alkyl, aryl, alkoxy or hydroxyl group and (4) tetravalent and/or trivalent titanium compound(s); and wherein the weight ratio of said magnesium halide and/or manganese halide to said organic halide compound is in the range of from 1:0.5 to 1:0.01; wherein the weight ratio of said magnesium halide and/or manganese halide to sald sillcone~compound ~is in the range of from 1:0.5 to 1:0.005; and wherein said solid component contains titanium in an amount ranging from 0.5 bo 10% by weight.
Claim 3
Dependent Claim 12 words
Process according to claim 1 wherein said magne~sium halide is magnesium chloride.
Claim 4
Dependent Claim 12 words
~Pxocess according to claim 1 wherein said manganese halide i5 manganese chloride.
Claim 5
Dependent Claim 37 words
Process according to claim 1 wherein said organic halide compound is a compound in which a part or the whole of the hydrogens in a saturated or unsaturated alipha~ic hydrocarbon or aromatic hydrocarbon is substituted with halogens.
Claim 6
Dependent Claim 22 words
Process according to claim 1 wherein said silicone compound is a polysiloxane having a viscosity at 25°C. from 1 to 106 centistokes.
Claim 7
Dependent Claim 26 words
Process according to claim 1 wherein a vanadium compound is employed in combination with said titanium compound in a V/Ti molar ratio from 2/1 to 1.01/1.
Claim 8
Dependent Claim 26 words
Process according to claim 1 wherein said copulverization is carried out at a temperature from 0° to 200°C. for a period from 0.5 to 50 hours.
Claim 9
Dependent Claim 27 words
Process according to claim 1 wherein said polymerization is carried out at a temperature from 20° to 120°C. and a pressure from atmos-heric pressure to 70 kg/cm2G.
Claim 10
Dependent Claim 16 words
Process according to claim 1 wherein said polymerization is carried out in the presence of hydrogen.
Claim 11
Dependent Claim 140 words
An olefin polymerization or copolymerization catalyst com-prising a titanium compound-containing solid component and an organo-metal compound, said titanium compound-containing solid component comprising a substance obtained by copulverizing (1) magnesium halide and/or manganese halide, (2) an organic halide compound, (3) a chain or cyclic silicone com-pound with recurring structure unit represented by the general formula wherein R' and R" respectively represent hydrogen, alkyl, aryl, alkoxy or hydroxyl group and (4) tetravalent and/or trivalent titanium compound(s); wherein the weight ratio of the magnesium halide and/or manganese halide to the organic halide compound is in the range of from 1:0.5 to 1:0.01; wherein the weight ratio of the magnesium halide and/or manganese halide to the silicon compound is in the range of from 1:0.5 to 1:0.005; and wherein the solid component contains titanium in an amount ranging from 0.5 to 10% by weight.
Claim 12
Dependent Claim 140 words
An olefin polymerization or copolymerization catalyst com-prising a titanium compound-containing solid component and an organo-metal compound, said titanium compound-containing solid component comprising a substance obtained by copulverizing (1) magnesium halide and/or manganese halide, (2) an organic halide compound, (3) a chain or cyclic silicone com-pound with recurring structure unit represented by the general formula wherein R' and R" respectively represent hydrogen, alkyl, aryl, alkoxy or hydroxyl group and (4) tetravalent and/or trivalent titanium compound(s); wherein the weight ratio of the magnesium halide and/or manganese halide to the organic halide compound is in the range of from 1:0.5 to 1:0.01; wherein the weight ratio of the magnesium halide and/or manganese halide to the silicon compound is in the range of from 1:0.5 to 1:0.005; and wherein the solid component contains titanium in an amount ranging from 0.5 to 10% by weight.
Claim 13
Dependent Claim 12 words
The catalyst of claim 10 wherein said magnesium halide is magnesium chloride.
Claim 14
Dependent Claim 12 words
The catalyst of claim 10 wherein said manganese halide is manganese chloride.
Claim 15
Dependent Claim 37 words
The catalyst of claim 10 wherein said organic halide com-pound is a compound in which a part or the whole of the hydrogens in a saturated or unsaturated aliphatic hydrocarbon or aromatic hydrocarbon is substituted with halogens.
Claim 16
Dependent Claim 22 words
The catalyst of claim 10 wherein said silicon compound is a polysiloxane having a viscosity at 25°C. from 1 to 106 centistokes.
Claim 17
Dependent Claim 26 words
The catalyst of claim 10 wherein a vanadium compound is em-ployed in combination with said titanium compound in a V/Ti molar ratio from 2/1 to 0.01/1.
Claim 18
Dependent Claim 26 words
The catalyst of claim 10 wherein said copulverization is carried out at a temperature from 0° to 200°C. for a period from 0.5 to 50 hours.

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