Preparation of polymers by cationic polymerisation

Details Preparation of polymers by cationic polymerisation Preparation of polymers by cationic polymerisation

C - Chemistry, Metallurgy

08

F

402/372

C08F 4/06 (2006.01) C08F 2/38 (2006.01) C08F 10/10 (2006.01)

Patent

CA 1272547

Preparation of polymers by cationic polymerisation A B S T R A C T The preparation of polymers containing halogen end groups from cationically polymerisable monomers by means of a catalyst system of a metal halide and an organic halide, the metal halide being present in a quantity of from 10-1 to 10-6 mol per mol of monomer and the metal halide being used in a 2 - 100 times molar excess compared with the organic halide, at a temperature of 10°C to -130°C in the presence of a solvent which is inert under the reaction conditions yields polymers with a narrow molecular weight distribution and high degree of functionality if from 10-1 1 to 10-4 mol of water is present per mol of metal halide.

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