C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/38 (2006.01) B01J 19/00 (2006.01) C08F 2/18 (2006.01) C08F 14/06 (2006.01)
Patent
CA 2524135
The invention pertains to a process to polymerize one or more monomers wherein at most 90%w/w of a safely useable amount of a first initiator is used and a second initiator is dosed at least after the start of the polymerization, in an amount such that essentially the full cooling capacity of the polymerization reactor is used, resulting in a cost efficient process to make polymers, particularly polymers comprising polymerized vinyl chloride.
L'invention porte sur un procédé de polymérisation d'un ou plusieurs monomères dans lequel on utilise au plus 90 % en poids d'une quantité à utilisation sûre d'un premier initiateur et on dose au moins un deuxième initiateur après le départ de la polymérisation, en quantité telle que la totalité de la capacité de refroidissement du réacteur est utilisée. On a ainsi un procédé économique de production de polymères, en particulier de polymères de chlorure de vinyle.
Meulenbrugge Lambertus
Van Swieten Andreas Petrus
Vanduffel Koen Antoon Kornelis
Westmijze Hans
Akzo Nobel N.v.
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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