Process for the manufacture of halogenated polymers

Details Process for the manufacture of halogenated polymers Process for the manufacture of halogenated polymers

C - Chemistry, Metallurgy

08

C

402/399

C08C 19/12 (2006.01) C08F 8/20 (2006.01)

Patent

CA 1247792

IMPROVED PROCESS FOR THE MANUFACTURE OF HALOGENATED POLYMERS (E-24) ABSTRACT OF THE DISCLOSURE In a process for the continuous halogenation of polymers by contacting polymer and halogenating agent in a continuous flow device in which means are provided for disengaging reaction by-products and unreacted halogenating agent from the reaction mixture, by deforming and disrupting the halogenated polymer surface and injecting an inert and/or reactive gas into the halogen- ated polymers immediately after reaction thereby neutral- izing the product. In a preferred embodiment the process is carried out in an extruder-reactor and an optional, supplementary inert and/or reactive gas scrubbing zone is included. The process is amenable to saturated and unsaturated polymers.

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