Starter systems ii

Details Starter systems ii Starter systems ii

C - Chemistry, Metallurgy

08

F

C08F 4/40 (2006.01) C08F 2/06 (2006.01) C08F 20/10 (2006.01)

Patent

CA 2524906

The invention relates to starter systems for the polymerisation of unsaturated monomers in non-aqueous media containing at least a) 0.02 - 7 wt. % peroxide compounds b) 0.005 - 3 wt. % organic hydrazine derivatives c) 1 - 1000 ppms transitional metal ions with the proviso that the weight data relates to the total amount, i.e. monomers, non-aqueous mediums and starter systems.

L'invention concerne des systèmes d'initiateurs destinés à la polymérisation de monomères insaturés dans des milieux non aqueux, contenant au moins a) des composés peroxyde dans des quantités de 0,02 à 7 % en poids ; b) des dérivés hydrazone organiques dans des quantités de 0,005 à 3 % en poids ; et, c) des ions de métaux de transition dans des quantités de 1 à 1000 ppm, les indications de poids se rapportant à l'ensemble, c.-à-d. aux monomères, aux milieux non aqueux et aux systèmes d'initiateurs.

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