C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 214/18 (2006.01) C08F 2/22 (2006.01) C08F 14/18 (2006.01) C08F 14/22 (2006.01) C08F 14/26 (2006.01) C08F 214/22 (2006.01) C08F 214/26 (2006.01) C08F 214/28 (2006.01)
Patent
CA 2445998
Emulsifier free fluoropolymer manufacturing method in which (a) a mixture of an oxidizing agent and reducing agent is used to start the polymerization and where one or the other but not both, are further added during polymerization, or (b) an oxidizing metal ion is added to start polymerization and where additional oxidizing metal ion is added during polymerization.
L'invention concerne un procédé de fabrication d'un fluoropolymère dépourvu d'émulsifiant, procédé dans lequel: (a) un mélange d'un agent oxydant et d'un agent réducteur est utilisé pour amorcer la polymérisation, l'un ou l'autre de ces agents, mais pas les deux, étant ensuite ajouté au cours de la polymérisation, ou (b) un ion métallique oxydant est ajouté pour amorcer la polymérisation, un ion métallique oxydant supplémentaire étant ajouté au cours de la polymérisation.
Dewitte Greta
Hintzer Klaus
Kaspar Harald
3m Innovative Properties Company
Smart & Biggar
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