Polymer solution treatment process

Details Polymer solution treatment process Polymer solution treatment process

C - Chemistry, Metallurgy

08

F

402/5

C08F 6/08 (2006.01) C08C 2/04 (2006.01) C08F 6/02 (2006.01)

Patent

CA 1325859

POLYMER SOLUTION TREATMENT PROCESS Abstract of the Disclosure The present invention provides a process to remove phosphine residue from a hydrogenated polymer solution. The process requires the addition of an organo-halide reagent (for example, benzyl bromide) to the hydrogenated polymer solution, which results in the formation of a phosphine-containing precipitate. The precipitate is then separated from the solution by mechanical means (for example, filtration or centrifugation).

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