C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
402/419, 402/622
C08K 5/00 (2006.01) C08F 210/16 (2006.01)
Patent
CA 1179449
ABSTRACT Process for preparation of copolymers consisting of 25-85 % by wt. of ethylene, 15-75 % by wt. of at least one other 1-alkene and optionally up to 20 % by wt. of a polyunsaturated compound with application of a catalyst system containing a compound of a metal from sub-groups IV-VI of the periodic system and a compound of a metal from groups I-III of the periodic system, in which at least one hydrocarbon group is bound directly to the metal atom via a carbon atom, the polymerization being carried out in the presence of a halogen- containing compound of the general formula Image where A is a phenyl group which may contain one or two substituent halogen atoms or alkyl groups, or is a thienyl, furyl, pyrollyl, N- alkylpyrollyl or pyridyl group, which group is bound to the carbon atom directly or vis a carbonyl group, x is a chlorine or bromine atom, Y is a chlorine, bromine or hydrogen atom or a hydrocarbon group with 1-8 carbon atoms, and z is a nitrile group, a carboxyl group, an ester group, a hydrocarbyl- oxyalkylcarboxyl group, an carboxylic acid halide group, an amide group, a benzoyl group, a carboxyphenyl group or a carboxylhydro- carbylphenyl group.
381553
Evens Georges G.
Pijpers Emanuel M. J.
Seevens Rene H. M.
Fetherstonhaugh & Co.
Stamicarbon B.v.
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