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US 6,855,655 B2Granted
Supported polymerization catalyst
AssigneeUnivation Technologies, LLC
InventorsBurkhard Eric Wagner, Michael D. Awe
Life of this patent
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Abstract
A supported catalyst composition comprising the reaction product of i) a magnesium halide, ii) a solvent, iii) an electron donor compound, iv) and a transition metal compound; an inert support; and a cocatalyst composition wherein the supported catalyst is substantially free of other alcohols and wherein the molar ratio of the first alcohol to magnesium is less than or equal to 1.9. Methods of making supported catalyst compositions and methods of making polymers with supported catalysts.
Claims29
A supported catalyst composition, comprising the reaction product of:
- a) a catalyst precursor composition comprising a reaction product of
- i) a magnesium halide;
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- and
- iv) a transition metal compound wherein the transition metal is a Group 3-10 or Lanthanide element;
- and
- b) a porous inert support;
- c) a cocatalyst composition
- wherein the supported catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms and wherein the molar ratio of the electron donor compound to magnesium is less than or equal to 1.9.
7 more elements
A method of making a supported catalyst composition, comprising:
- a) forming a magnesium-containing solution comprising a reaction product of
- i) a magnesium halide
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- and
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- b) contacting the magnesium-containing solution with a transition metal compound wherein the transition metal a Groups 3-10 or Lanthanide element to form a catalyst precursor composition, wherein the catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms, and wherein the ratio of the electron donor compound to magnesium in the catalyst composition is less than or equal to 1.9;
- c) contacting the dissolved catalyst precursor composition with a porous inert support to form a resultant mixture;
- d) drying the resultant mixture to form a supported catalyst precursor composition;
- and
- e) activating the supported catalyst precursor composition with a cocatalyst composition.
7 more elements
A method of making a polymer, comprising reacting at least one polyolefin monomer in the presence of a supported catalyst composition comprising a reaction product of:
- a) a magnesium-containing solution comprising a reaction product of:
- i) a magnesium halide;
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- and
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- iv) a transition metal compound wherein the transition metal a Groups 3-10 or Lanthanide element;
- b) a porous inert support;
- and
- c) a cocatalyst composition
- wherein magnesium-containing solution, the transition metal compound, and inert support form a catalyst precursor composition and the supported catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms wherein the molar ratio of the electron donor compound to magnesium is less than or equal to 1.9.
7 more elements
A supported catalyst precursor composition, comprising the reaction product of:
- a) a catalyst precursor composition comprising a reaction product of
- i) a magnesium halide;
- ii) a solvent maid solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- and
- iv) a transition metal compound wherein the transition metal is a Group 3-10 or Lanthanide element;
- and
- b) a porous inert support;
- wherein the supported catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms and wherein the molar ratio of the electron donor compound to magnesium is less than or equal to 1.9.
6 more elements
A supported catalyst composition, made from:
- a) a catalyst precursor composition made from:
- i) a magnesium halide;
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- and
- iv) a transition metal compound wherein the transition metal is a Group 3-10 or Lanthanide element;
- and
- b) a porous inert support;
- and.
- c) a cocatalyst composition
- wherein the supported catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms and wherein the molar ratio of the electron donor compound to magnesium is less than or equal to 1.9.
8 more elements
A method of making a supported catalyst composition, made from:
- a) forming a magnesium-containing solution made from:
- i) a magnesium halide;
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- and
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- b) contacting the magnesium-containing solution with a transition metal compound wherein the transition metal a Groups 3-10 or Lanthanide element to form a catalyst precursor composition, wherein the catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms, and wherein the ratio of the electron donor compound to magnesium in the catalyst composition is less than or equal to 1.9;
- c) contacting the dissolved catalyst precursor composition with a porous inert support to form a resultant mixture;
- d) drying the resultant mixture to form a supported catalyst precursor composition;
- and
- e) activating the supported catalyst precursor composition with a cocatalyst composition.
7 more elements
A method of making a polymer, made from reacting at least one polyolefin monomer in the presence of a supported catalyst composition said catalyst composition made from a reaction product of:
- a) a magnesium-containing solution comprising a reaction product of:
- i) a magnesium halide;
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- and
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- iv) a transition metal compound wherein the transition metal a Groups 3-10 or Lanthanide element;
- b) a porous inert support;
- and
- c) a cocatalyst composition
- wherein magnesium-containing solution, the transition metal compound, and inert support form a catalyst precursor composition and the supported catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms wherein the molar ratio of the electron donor compound to magnesium is less than or equal to 1.9.
7 more elements
A supported catalyst precursor composition, made from the reaction product of:
- a) a catalyst precursor composition made from a reaction product of
- i) a magnesium halide;
- ii) a solvent said solvent selected from the group consisting of alkyl esters of aliphatic and aromatic carboxylic acids, ethers, and aliphatic ketones;
- iii) an electron donor compound comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms;
- and
- iv) a transition metal compound wherein the transition metal is a Group 3-10 or Lanthanide element;
- and
- b) a porous inert support;
- wherein the supported catalyst composition is substantially free of electron donor compounds other than those comprising a linear or branched aliphatic or aromatic alcohol having between 1 and 25 carbon atoms and wherein the molar ratio of the electron donor compound to magnesium is less than or equal to 1.9.
6 more elements
Dependencies are inferred from the claim text.