Polymerization process for preparing (co)polymers

Details Polymerization process for preparing (co)polymers Polymerization process for preparing (co)polymers

C - Chemistry, Metallurgy

08

F

C08F 4/00 (2006.01) C08F 2/22 (2006.01)

Patent

CA 2530124

The present invention relates to an aqueous dispersion polymerization process for preparing a (co)polymer wherein an organic peroxide is used as initiator (as a source of free radicals) during the polymerization process in conjunction with an effective amount of an organic peroxide stabilizing additive (controlling agent). The invention also relates to formulations comprising an organic peroxide and an effective amount of an organic peroxide stabilizing additive suitable for use in said polymerization process. The invention finally relates to 10 (co)polymers obtainable by the dispersion polymerization process.

Cette invention se rapporte à un procédé de polymérisation en dispersion aqueuse qui sert à préparer un (co)polymère et dans lequel un peroxyde organique est utilisé comme initiateur (comme source de radicaux libres) pendant le processus de polymérisation en association avec une quantité effective d'un additif de stabilisation au peroxyde organique (agent de régulation). Cette invention concerne également des formulations comprenant un peroxyde organique et une quantité effective d'un additif de stabilisation au peroxyde organique approprié pour être utilisé dans ce procédé de polymérisation. Cette invention concerne enfin des (co)polymères pouvant être obtenus par ce procédé de polymérisation en dispersion.

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