Solution polymer recovery process

Details Solution polymer recovery process Solution polymer recovery process

C - Chemistry, Metallurgy

08

F

C08F 6/12 (2006.01) C08C 2/06 (2006.01)

Patent

CA 2142668

An improved process is provided for the recovery of a polymer from a solution thereof in a process wherein the polymer solution is contacted with hot water and steam to yield a slurry in water of polymer particles and a vapour stream comprising water vapour and the solvent, the slurry in water of polymer particles is passed to means to grossly separate the polymer particles and the water and the polymer particles are dried, wherein the water contains small particles of polymer and a portion thereof is mixed with the original polymer solution and the remaining portion is passed to the vessel wherein the polymer solution is first contacted with hot water and steam.

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