C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 10/02 (2006.01) C08F 2/06 (2006.01) C08F 4/645 (2006.01) C08F 4/655 (2006.01) C08F 10/00 (2006.01) C08F 210/16 (2006.01)
Patent
CA 2119739
A solution process for the preparation of high molecular weight polymers of alpha-olefins selected from the group consist- ing of homopolymers of ethylene and copolymers of ethylene and C3-C12 higher alpha-olefins is disclosed. The process com- prises feeding monomer selected from the group consisting of ethylene and mixtures of ethylene and at least one C3-C12 higher alpha-olefin, a coordination catalyst and inert hydrocarbon solvent to a reactor, polymerizing said monomer at a temperature in the range of 105-320 °C and recovering the polymer so obtained. The coordination catalyst is formed from MgR1 2 and AlR2 3 in which each R1 and R2 are the same or different and are alkyl groups having 1-10 carbon atoms; a reac- tive chloride component; a titanium compound selected from titanium tetrachloride, titanium tetrabromide and a com- pound of the formula Ti(OR)x in which x = 0-4 and R is an alkyl group having 1- 10 carbon atoms; and an alcohol.
Du Pont Canada Inc.
Sim & Mcburney
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