Process for polymerizing olefins

Claim 2

IN A PROCESS FOR THE POLYMERIZATION OF ETHYLENE COMPRISING POLYMERIZING ETHYLENE AT A TEMPERATURE OF FROM -10* TO 80*C. AT A PRESSURE OF FROM 1 TO 40 ATMOSPHERE IN THE PRESENCE OF A SOLVENT SELECTED FROM THE GROUP CONSISTING OF PARAFFIN HYDROCARBONS, AROMATIC HYDROCARBONS, HALOGENATED PARAF FIN HYDROCARBONS AND HALOGENATED AROMATIC HYDROCARBONS, SAID SOLVENT BEING LIQUID UNDER THE CONDITIONS OF POLYMERIZATION, AND IN THE PRESENCE OF A CATALYST CONTAINING AN ORGANOMETALLIC COMPOUND AND A COMPOUND OF TRANSITION METAL, THE IMPROVEMENT COMPRISING CONDUCTING THE POLYMERIZATION USING A CATALYST CONSISTING ESSENTIALLY OF: A. AN ORGANIC COMPOUND CONTAINING IN ITS MOLECULE AT LEAST ONE ETHYLENICALLY ALPHA-UNSATURATED KETO GROUP, SAID ORGANIC COMPOUND BEING INDIGO; B. ETHYL ALUMINUM SESQUICHLORIDE; AND C. VANDADIUM SESQUICHLORIDE, THE MOLAR RATIO BETWEEN SAID VANADIUM OXYCHL0ORIDE AND SAID INDIGO PLUS SAID ETHYL ALUMINUM SESQUICHLORIDE BEING 1/78.7 AND THE MOLAR RATIO BETWEEN SAID ETHYL ALUMINUM SESQUICHLORIDE AND SAID INDIGO BEING 2.1/1.

Claim 3

In a process for the polymerization of ethylene comprising polymerizing ethylene at a temperature of from -10* to 80*C. at a pressure of from 1 to 40 atmospheres in the presence of a solvent selected from the group consisting of paraffin hydrocarbons, aromatic hydrocarbons, halogenated paraffin hydrocarbons and halogenated aromatic hydrocarbons, said solvent being liquid under the conditions of polymerization, and in the presence of a catalyst containing an organo-metallic compound and a compound of a transition metal, the improvement comprising conducting the polymerization using a catalyst consisting essentially of: a. an organic compound containing in its molecule at least one ethylenically alpha-unsaturated keto group, said organic compound being iso-phorone; b. ethyl aluminum sesquichloride; and c. titanium tetrachloride, the molar ratio between said titanium tetrachloride and said iso-phorone plus said ethyl aluminum sesquichloride being 1/117, and the molar ratio between said ethyl aluminum sesquichloride and said iso-phorone being 1.3/1.

Claim 4

In a process for the polymerization of ethylene comprising polymerizing ethylene at a temperature of from -10* to 80*C. at a pressure of from 1 to 40 atmospheres in the presence of a solvent selected from the group consisting of paraffin hydrocarbons, aromatic hydrocarbons, halogenated paraffin hydrocarbons and halogenated aromatic hydrocarbons, said solvent being liquid under the conditions of polymerization, and in the presence of a catalyst containing an organo-metallic compound and a compound of a transition metal, the improvement comprising conducting the polymerization using a catalyst consisting essentially of: a. an organic compound containing in its molecule at least one ethylenically alpha-unsaturated keto group, said organic compound being iso-phorone; b. ethyl aluminum sesquichloride; and c. titanium tetrachloride, the molar ratio between said titanium tetrachloride and said iso-phorone plus said ethyl aluminum sesquichloride being 1/117, and the molar ratio between said ethyl aluminum sesquichloride and said iso-phorone being 1.3/1.

Claim 5

In a process for the polymerization of ethylene comprising polymerizing ethylene at a temperature of from -10* to 80*C. at a pressure of from 1 to 40 atmospheres in the presence of a solvent selected from the group consisting of paraffin hydrocarbons, aromatic hydrocarbons, halogenated paraffin hydrocarbons and halogenated aromatic hydrocarbons, said solvent being liquid under the conditions of polymerization, and in the presence of a catalyst containing an organo-metallic compound and a compound of a transition metal, the improvement comprising conducting the polymeriziation using a catalyst consisting essentially of: a. an organic compound containing in its molecule at least one ethylenically alpha-unsaturated keto group, said organic compound being indigo; b. aluminum triethyl; and c. nickel chloride, the molar ratio between said nickel chloride and said indigo plus said aluminum triethyl being 1/50, and the molar ratio between said aluminum triethyl and said indigo being 2.0/1.

Claim 6

In a process for the polymerization of ethylene comprising polymerizing ethylene at a temperature of from -10* to 80*C. at a pressure of from 1 to 40 atmospheres in the presence of a solvent selected from the group consisting of paraffin hydrocarbons, aromatic hydrocarbons, halogenated paraffin hydrocarbons and halogenated aromatic hydrocarbons, said solvent being liquid under the conditions of polymerization, and in the presence of a catalyst containing an organo-metallic compound and a compound of a transition metal, the improvement comprising conducting the polymeriziation using a catalyst consisting essentially of: a. an organic compound containing in its molecule at least one ethylenically alpha-unsaturated keto group, said organic compound being indigo; b. aluminum triethyl; and c. nickel chloride, the molar ratio between said nickel chloride and said indigo plus said aluminum triethyl being 1/50, and the molar ratio between said aluminum triethyl and said indigo being 2.0/1.