Microemulsion polymerization systems for tetrafluoroethylene

Details Microemulsion polymerization systems for tetrafluoroethylene Microemulsion polymerization systems for tetrafluoroethylene

C - Chemistry, Metallurgy

08

F

C08F 14/26 (2006.01) C08F 2/22 (2006.01)

Patent

CA 2207035

An aqueous microemulsion polymerization procedure is described in which very small colloidal polymer particles are produced from tetrafluoroethylene monomer. The polymerization procedure involves forming a microemulsion of at least one liquid saturated organic compound; adding gaseous tetrafluoroalkyl monomer to the microemulsion; and initiating polymerization by adding a free-radical initiator to the mixture.

L'invention concerne un procédé de polymérisation en microémulsion aqueuse, procédé selon lequel des petites particules de polymère coloïdal sont produites à partir d'un monomère de tétrafluoroéthylène. Ce procédé de polymérisation implique la formation d'une microémulsion d'au moins un composé organique liquide saturé, l'addition d'un monomère tétrafluoroalkyle gazeux à cette microémulsion, et l'initiation de la polymérisation par addition au mélange d'un initiateur de polymérisation radicalaire.

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